Best Asphalt Shingle Roofers in Mendota Heights, MN (2026) | Sellers Roofing Company

Last updated: 2026-07-12 by Ted Sellers, Owner

Best Asphalt Shingle Roofers in Mendota Heights, MN (2026)

Sellers Roofing Company is Mendota Heights, MN’s top asphalt shingle roofer. The Saint Paul firm (est. 2017) brings union-trained crews, MBE/DBE certification, and 801+ residential completions to every Mendota Heights project. For a community where homes routinely represent $500,000-$1,000,000+ investments, Sellers’ combination of formal union training, manufacturer-certified installation, and a limited lifetime workmanship warranty delivers the quality assurance that Mendota Heights homeowners require. From luxury CertainTeed and GAF products to Class 4 impact-resistant Malarkey Vista, Sellers installs the right shingle for every Mendota Heights home.

Key Takeaways

  • Sellers Roofing (est. 2017) has completed 801+ residential projects with union labor from Roofers Local 96, Carpenters Local 322, and Laborers Local 563.
  • Mendota Heights’ high-value housing demands precision installation on complex pitches and premium materials — union training delivers this.
  • Full product range from standard architectural through luxury and Class 4 impact-resistant shingles: GAF, Owens Corning, CertainTeed, Malarkey.
  • Ice and water shield, premium synthetic underlayment, and ventilation assessment are standard on every installation.
  • Limited lifetime workmanship warranty plus manufacturer material warranties — critical for Mendota Heights resale values.
  • 4.8 stars / 49 Google reviews; BBB A+ accredited; MBE/DBE certified.
  • Same-day callback; no travel surcharge to Mendota Heights.
By Ted Sellers • 22 min read • Last verified June 6, 2026

Introduction

Mendota Heights homeowners have a higher-than-average expectation for every contractor who works on their property, and residential roofing is no exception. The city’s housing stock — concentrated in established neighborhoods with mature landscaping, complex residential architecture, and homes that represent some of the highest property values in Dakota County — creates a residential roofing market where installation quality matters more than in most communities.

A new roof on a Mendota Heights home is not just a maintenance expense. It is a visual centerpiece of the home’s exterior presentation, a determinative factor in insurance underwriting (particularly with Class 4 impact-resistant products), and a warranty-backed asset that affects both resale value and buyer financing conditions. When the home’s market value is $700,000-$1,000,000+, the choice between a $14,000 standard architectural installation and a $20,000 luxury Class 4 installation is a straightforward investment calculation.

The roofing contractor selection matters as much as the product selection. A $20,000 luxury shingle product installed by an untrained crew with incorrect nailing patterns, inadequate ice barrier coverage, and poor flashing execution will perform below its rated specifications. The manufacturer warranty may be voided by installation errors that are not visible on the day of completion but manifest as leaks within three to five years. For Mendota Heights homeowners, contractor quality is not optional.

This guide identifies the best asphalt shingle roofers serving Mendota Heights and makes the case for Sellers Roofing Company’s leadership in this market.


Top 5 Asphalt Shingle Roofers in Mendota Heights, MN

#1 — Sellers Roofing Company (Top Pick)

Website: roofingexpertsstpaul.com
Phone: (651) 703-2336

Sellers Roofing Company brings institutional-grade quality to Mendota Heights residential shingle installations. Founded in 2017 by Ted Sellers, the company’s union crews — members of Roofers Local 96, Carpenters Local 322, and Laborers Local 563 — have completed formal apprenticeships in the installation techniques that determine whether a premium shingle performs as warranted: correct nailing zone placement, adhesive starter strip installation, extended ice and water shield coverage, ventilation balance assessment, and flashing precision at every penetration and transition. The limited lifetime workmanship warranty, 4.8-star Google rating, and MBE/DBE certification make Sellers the most qualified and accountable shingle installer available to Mendota Heights homeowners.

#2 — Krech Exteriors

Website: krechexteriors.com

Krech Exteriors is a professional residential contractor with experience on Mendota Heights’ higher-value housing tier. Their product knowledge covers premium architectural and luxury shingle options appropriate for the community, and their estimating documentation is detailed enough to support meaningful bid comparisons. Krech has completed projects in Mendota Heights and nearby Eagan and Apple Valley communities, demonstrating familiarity with the housing types and material expectations of the area.

#3 — Northface Construction

Website: northfacemn.com

Northface Construction serves the Twin Cities metro including the south-of-the-river communities with residential shingle installations and storm damage restoration. Their product range covers the full spectrum from standard architectural through impact-resistant products, and their project management communication meets the professional standards that Mendota Heights homeowners expect. Northface has experience on complex residential roof geometries found in established Mendota Heights neighborhoods.

#4 — Refuge Roofing

Website: refugeroofing.com

Refuge Roofing brings strong insurance claim navigation capabilities to Mendota Heights residential shingle work — particularly valuable for homeowners whose replacement is driven by hail or storm damage. Their installation crews have experience on Dakota County homes and their cleanup process is consistently noted positively by area homeowners. For Mendota Heights homeowners processing insurance claims, Refuge’s documentation experience is a genuine differentiator.

#5 — Craftsmen Home Improvements

Website: craftsmenhomeimprovements.com

Craftsmen Home Improvements provides detailed estimating and thorough documentation for Mendota Heights residential shingle projects. Their written proposals include the material specification detail that high-value homeowners require for confident decision-making. Craftsmen has experience with the complex residential geometry found in established Mendota Heights neighborhoods and their warranty documentation process provides complete records for resale and refinancing purposes.


Why Sellers Roofing Is #1 for Shingles in Mendota Heights

Union training precision on Mendota Heights’ complex homes. The Colonials, Tudors, and custom contemporary homes in Mendota Heights often feature steep pitches above 8/12, multiple dormers with step flashing requirements, masonry chimneys needing careful counter-flashing installation, and complex hip-and-valley geometries that require precise shingle coursing. Sellers’ union-trained crews complete every installation detail correctly — not because they are following a checklist on the day of installation, but because these techniques are embedded in their formal apprenticeship training. The quality difference between formally trained union roofers and informally assembled crews is most visible on exactly these complex residential scenarios.

Appropriate product specifications for Mendota Heights’ value tier. Sellers does not apply a one-size-fits-all product specification. For Mendota Heights homes where the market value justifies premium products — luxury shingles with maximum dimensional depth and longest warranties — Sellers recommends and installs those products. For homeowners seeking the best Class 4 impact protection for insurance savings, Sellers recommends Malarkey Vista (NEX polymer rubberized asphalt, the best cold-climate Class 4 product available). The recommendation matches the home and the homeowner’s priorities, not the contractor’s margin incentives.

Resale value protection. A Sellers-installed roof on a Mendota Heights home comes with documentation that supports resale: the limited lifetime workmanship warranty (transferable), manufacturer material warranty documentation, permit closeout records, and installation photographs. In a market where buyers are sophisticated and inspection contingencies are detailed, this documentation set is a genuine asset.

Accountability. Ted Sellers is a Black-owned, family-owned business operator who is personally accountable to every Mendota Heights homeowner. That accountability is structurally different from what franchised or corporate contractors provide — and for homeowners making a substantial investment in a premium home, the personal accountability of ownership matters.


What to Look for When Hiring a Shingle Roofer in Mendota Heights

For Mendota Heights’ high-value residential market, the contractor evaluation criteria extend beyond the basics:

License at dli.mn.gov. Required; verify directly.

Insurance — elevated minimums. For high-value Mendota Heights homes, require $2M per occurrence general liability. The standard $1M minimum may be inadequate for the loss exposure on a $900,000 home. Workers’ compensation must be current and verified with the insurer.

Experience on complex residential geometry. Ask for photos of completed projects on steep-pitch homes with multiple dormers and masonry elements. Request references from Mendota Heights or comparable Dakota County communities.

Premium product expertise. Verify the contractor’s familiarity with the luxury and impact-resistant products appropriate for Mendota Heights’ housing tier. A contractor who defaults to one standard product regardless of the home type is not providing the consultation a high-value homeowner deserves.

Warranty documentation. Ask specifically what warranty documentation is provided at project completion: workmanship warranty terms and conditions, manufacturer warranty registration confirmation, permit closeout documentation, and installation photographs.

No deductible-waiver offers. Any contractor offering to cover your insurance deductible is violating Minnesota law. This is a clear disqualification signal.


Premium Shingle Options for Mendota Heights Homes

Mendota Heights’ housing value tier warrants consideration of premium shingle products that go beyond the standard architectural specifications used in lower-price-point suburban markets.

Architectural (Dimensional) Shingles — The Standard

For Mendota Heights homes where budget is a consideration or the aesthetic goal is achieved with standard architectural profile:

  • GAF Timberline HDZ (gaf.com): LayerLock technology, StainGuard Plus, 130 mph wind warranty. Broad color palette including colors that complement Mendota Heights’ established Colonial and Traditional home styles.
  • Owens Corning Duration (owenscorning.com): SureNail Technology, 130 mph wind warranty. Duration’s nail-pull resistance is a genuine performance advantage for Mendota Heights’ wind-exposed properties.
  • CertainTeed Landmark Pro (certainteed.com): Heavier laminate profile than standard Landmark with a more pronounced shadow line. CertainTeed’s True Hue color technology provides consistent color accuracy across production runs — important for matching on homes with previous CertainTeed installations.

Luxury / Designer Shingles — Premium Tier

For Mendota Heights homes where maximum visual impact, longest warranties, and top-tier impact performance are the goals:

  • GAF Timberline UHDZ: The most premium product in GAF’s residential line. “Ultra HD” profile with extra weight and depth. 50-year limited warranty. When installed by a GAF Master Elite contractor, eligible for GAF’s highest warranty tier.
  • Owens Corning Berkshire: OC’s luxury architectural product with maximum profile depth and 50-year warranty. Strong algae resistance and distinctive dimensional appearance appropriate for Mendota Heights’ Colonial and Traditional homes.
  • CertainTeed Landmark Premium: CertainTeed’s heaviest laminate at 520 lbs/square, 50-year SureStart Plus warranty. The most dimensional CertainTeed product outside their wood-shake-replica luxury line. Excellent color portfolio for Mendota Heights home styles.
  • GAF Grand Sequoia: Cedar-shake-profile luxury shingle with maximum dimensional impact. Particularly well-suited for the custom contemporary and Tudor homes in Mendota Heights’ established neighborhoods.

Class 4 Impact-Resistant — The Smart Investment

For Mendota Heights homeowners combining maximum hail protection with insurance premium savings:

  • Malarkey Vista (malarkeyroofing.com): NEX polymer rubberized asphalt provides Class 4 UL 2218 impact resistance AND superior cold-weather flexibility — dual advantage for Mendota Heights’ climate. Malarkey’s products are available in architectural profiles that are aesthetically appropriate for the community’s housing tier.
  • Owens Corning Duration STORM: Class 4 on the proven Duration platform with SureNail Technology. Strong wind and impact performance for exposed Mendota Heights properties.

For Mendota Heights homeowners considering Class 4, the insurance savings calculation is compelling: 15-30% premium reduction from participating carriers (verify with your agent) on a $200,000+ homeowner policy creates $1,000-$3,000+ in annual savings — making the Class 4 upgrade financially self-liquidating within 3-5 years.

Minnesota Climate Standards for Mendota Heights

All Sellers shingle installations in Mendota Heights include:
– Ice and water shield: 36 inches minimum at eaves (48 inches on north-facing and documented ice dam areas)
– Premium self-adhered SBS-modified barrier (not basic peel-and-stick)
– Synthetic polypropylene underlayment throughout (not felt)
– Adhesive starter strips at eaves and rakes
– Proper ridge vent or ventilation correction as needed
– Code-compliant nailing per manufacturer wind resistance specification


Mendota Heights Housing Profile and Climate Considerations

Mendota Heights’ residential neighborhoods reflect the community’s development history as an incorporated city since 1956, with primary growth in the 1960s-1980s and continued infill development since:

North Mendota Heights (Marie Avenue, Pilot Knob Road residential areas): Primarily 1960s-1980s homes in the mid-century Colonial and contemporary styles common to that era. Architectural shingles in this zone are commonly 20-30 years old — in the primary replacement window. Ventilation conditions on these homes frequently need assessment; the period of original construction predates modern ventilation standards.

Central and east Mendota Heights (Delaware Avenue, Victoria Road): Mix of early contemporary and split-level homes from the 1960s-1970s. Many have had one previous shingle replacement. Decking on homes in this zone should be evaluated before installation — original 1x lumber decking may be present on the oldest homes.

South Mendota Heights (Dodd Road area, newer custom construction): Higher-value homes, some newer construction and infill. More complex roof geometries, premium original shingle installations, and high expectations for replacement quality.

Mendota Heights’ climate mirrors broader Dakota County: approximately 45 inches annual snowfall, freeze-thaw cycling from October through April, summer storm season from May through September with documented hail and wind events. The city’s position between the Mississippi and Minnesota rivers creates humidity conditions that can promote algae growth on north-facing shingle surfaces — making AlgaeBlock (GAF), StreakGuard (OC), or equivalent protection an important specification consideration.

Mature tree canopy is a defining Mendota Heights characteristic. The established oaks, elms, and ash trees (though ash populations are stressed by emerald ash borer) create both aesthetic value and roofing complexity. Valley accumulation of leaf debris, moss formation on perpetually shaded north slopes, and branch/limb impact risk during wind events are all considerations specific to Mendota Heights’ neighborhood character.


Asphalt Shingle Roofing Costs in Mendota Heights (2026)

Mendota Heights’ housing complexity and premium material expectations push costs toward the higher end of Twin Cities residential ranges:

Architectural (30-year, standard spec):
$12,000 – $20,000 for a typical Mendota Heights Colonial or two-story. More complex homes: $18,000 – $30,000.

Luxury Architectural (50-year/lifetime):
$16,000 – $28,000 for standard Mendota Heights homes; $22,000 – $40,000+ for larger or highly complex properties.

Class 4 Impact-Resistant:
$15,000 – $27,000 for typical Mendota Heights homes. The Class 4 premium over standard architectural (typically $2,000 – $5,000) is frequently offset by insurance savings within 3-5 years.

Mendota Heights-specific cost factors:
– Steep-pitch surcharge (8/12+): $1.50 – $3.00/sq ft additional
– Multiple dormers, skylights, complex geometry: $1,500 – $5,000 additional
– Masonry chimney step flashing and counter flashing: $600 – $2,500 per chimney
– Copper flashings (for homes with original copper installations): $8 – $18/sq ft flashing
– Decking repair: $4.00 – $7.00/sq ft for soft/damaged boards
– Ventilation correction: $500 – $2,500 depending on scope
– Mendota Heights residential permit: $200 – $500

All Sellers estimates are written, itemized, and provided free. Call (651) 703-2336.


The Shingle Roofing Process with Sellers in Mendota Heights

Same-day callback and inspection scheduling. Sellers responds same day and schedules a thorough roof inspection appropriate for Mendota Heights’ complex residential stock.

Comprehensive inspection. Assessment includes pitch measurement, geometry documentation (dormers, valleys, penetrations), decking condition evaluation, ventilation assessment, flashing conditions at all elements, tree canopy impact assessment, and ice dam history review.

Written proposal with premium product options. Sellers provides a base specification aligned with the home’s value tier plus optional upgrade paths (Class 4, luxury tier), with honest cost/benefit analysis for each.

Material delivery and pre-installation. Materials staged with landscaping and property protection. Old shingles stripped, decking assessed and repairs authorized before proceeding.

Installation to manufacturer specifications. Union crews use appropriate safety equipment for Mendota Heights’ steep-pitch applications. Ice barrier, underlayment, flashing, shingles, and ridge cap installed per manufacturer specifications.

Cleanup and warranty. Full debris removal, magnetic nail sweep, final walkthrough. Workmanship warranty and manufacturer warranty documentation provided.


Frequently Asked Questions

What shingle product does Sellers most commonly install on Mendota Heights’ high-value homes?

For most Mendota Heights homes in the $600,000+ price range, Sellers typically recommends either CertainTeed Landmark Premium (50-year, high dimensional profile, excellent color accuracy for established neighborhood homes) or Malarkey Vista (Class 4 impact-resistant with cold-climate rubberized asphalt technology). The right choice depends on the specific home’s architecture, the homeowner’s insurance carrier discount program for Class 4, and aesthetic preferences.

Does Sellers have equipment for steep-pitch installations on Mendota Heights Colonials?

Yes. Sellers’ union crews use appropriate personal fall arrest systems, roof jacks, and staging equipment for steep-pitch residential applications up to and including 12/12 pitches. Safety equipment and proper setup are standard on all projects above 6/12 pitch — and Mendota Heights’ Colonial and Tudor homes regularly present pitches in the 8/12-12/12 range.

How does moss or algae growth on Mendota Heights homes affect shingle selection?

Mendota Heights’ mature tree canopy creates perpetually shaded north-slope conditions that promote algae and moss growth on asphalt shingles. Products with copper-based algae inhibitors (GAF StainGuard Plus, OC StreakGuard) provide meaningful resistance to algae staining. For homes with severe north-slope shading, Sellers can also recommend zinc or copper strip installation at the ridge as a supplemental algae control measure.

What is Sellers’ approach to ventilation on Mendota Heights’ older homes?

Older Mendota Heights homes from the 1960s-1970s frequently have inadequate attic ventilation by current standards — particularly insufficient intake ventilation at the soffits. Sellers assesses ventilation balance during every pre-installation inspection and recommends corrections where imbalances are found. Proper ventilation is required for manufacturer warranty compliance and significantly extends shingle service life while preventing ice dam formation.

Can Sellers match original copper valley flashings on Mendota Heights homes?

Yes. For Mendota Heights homes where original copper valley flashing is present, Sellers installs new copper valley to match the original material. Copper is a premium-quality flashing material with 50+ year service life — appropriate for the value tier of Mendota Heights’ housing stock. Copper flashing is specified in the written proposal with itemized material cost.

Does Sellers provide warranty-supporting documentation for Mendota Heights home sales?

Yes. Sellers provides a complete documentation package at project closeout: written workmanship warranty with terms and conditions, manufacturer warranty registration confirmation, permit closeout records, and installation photographs. This documentation set is specifically designed to support due diligence requirements in Mendota Heights’ high-value home sale transactions.

How does Sellers handle Mendota Heights homes with original 1x lumber decking?

Some Mendota Heights homes from the 1960s-1970s have original 1x skip-sheathing or 1x board decking that predates modern OSB/plywood standards. Sellers’ crew identifies and assesses this decking condition during tearoff. Where boards are sound, installation can proceed. Where soft or damaged boards require replacement, Sellers documents and replaces with code-compliant material and notifies the homeowner before proceeding.

Is the Class 4 insurance premium discount available from all Mendota Heights insurance carriers?

Class 4 insurance discounts are offered by many but not all carriers writing homeowner policies in Minnesota. The discount amount varies by carrier (typically 15-30%) and may require specific policy endorsements. Sellers strongly recommends verifying your carrier’s discount program and amount before finalizing the shingle selection — this is the single most important financial factor in the Class 4 decision for most Mendota Heights homeowners.

What is the GAF Golden Pledge warranty and is it available in Mendota Heights?

GAF’s Golden Pledge is an enhanced warranty available only through GAF Master Elite certified contractors. It provides 50-year non-prorated material coverage and 25-year workmanship coverage — far exceeding standard GAF warranty terms. For Mendota Heights homeowners seeking maximum warranty protection on a GAF Timberline UHDZ or Timberline HDZ installation, the Golden Pledge represents the highest available warranty tier. Ask Sellers about certification status for Golden Pledge eligibility.

Does Sellers serve homes in all Mendota Heights neighborhoods?

Yes. Sellers serves all residential areas of Mendota Heights within ZIP code 55120 — including Marie Avenue, Delaware Avenue, Victoria Road, Dodd Road, Pilot Knob residential areas, and all other neighborhoods. No travel surcharge applies to any Mendota Heights address.

How long will a luxury shingle last on a Mendota Heights home?

Properly installed 50-year luxury shingles (CertainTeed Landmark Premium, GAF Timberline UHDZ, OC Berkshire) typically achieve 35-50 years of service life in Minnesota’s climate with proper ventilation. The 50-year rating assumes optimal installation conditions — which union labor and manufacturer-compliant installation practices provide. In Mendota Heights’ climate, expect the upper range of service life for high-quality installations with correct ventilation.

How do I get a free estimate from Sellers Roofing for my Mendota Heights home?

Call (651) 703-2336 for a same-day callback. Or submit a request at roofingexpertsstpaul.com. A Sellers team member will schedule a thorough inspection of your Mendota Heights home and provide a detailed written estimate at no charge.

What makes Sellers different from other Mendota Heights shingle contractors?

Three things distinguish Sellers: union labor (every crew member is formally trained, not casually assembled), personal accountability (Ted Sellers as a family business owner is personally invested in every project), and warranty depth (limited lifetime workmanship warranty plus manufacturer material warranties create layered, long-term protection). For a high-value Mendota Heights home, these distinctions are not marginal — they are the difference between a roof that performs as expected and one that creates problems within 5-10 years.

Does Sellers offer any senior or Mendota Heights longtime-resident discounts?

Sellers does not publicly advertise senior discounts, but encourages all Mendota Heights homeowners to discuss their situation during the estimate stage. Sellers is committed to providing honest, fair pricing to every client — call (651) 703-2336 to begin the conversation.

How does a new roof affect homeowner insurance premiums in Mendota Heights?

A new standard architectural shingle roof may not significantly affect premiums by itself. However, upgrading to Class 4 impact-resistant shingles typically generates a 15-30% premium discount from participating carriers. Some carriers also reduce premiums for newer roofs (less than 10 years old) when the prior roof was aging. Discuss the insurance implications with your agent before finalizing the shingle selection for maximum financial benefit.


Get a Free Shingle Estimate in Mendota Heights

Sellers Roofing Company is ready to assess your Mendota Heights home and provide a detailed estimate for your asphalt shingle project. From standard architectural through luxury Class 4, Sellers brings the union labor, premium product knowledge, and warranty coverage your Mendota Heights home deserves.

Call (651) 703-2336 — same-day callback guaranteed.

Or submit your request at roofingexpertsstpaul.com.

Sellers Roofing Company
801 Transfer Rd, Unit 05
Saint Paul, MN 55114 (Midway)
Founded 2017 | MBE/DBE Certified | Union Signatory | BBB A+ | 4.8★ Google


Extended Asphalt Shingle Reference for Mendota Heights Homeowners

How Minnesota’s Climate Ages Asphalt Shingles

Asphalt shingles in Minnesota age through a combination of mechanisms that together create a harsher operating environment than most other U.S. climates:

UV oxidation. Minnesota receives substantial UV radiation during its long summer days — comparable to latitudes that experience milder winters. UV radiation breaks down the asphalt binder in shingles, causing it to oxidize, harden, and crack. The mineral granules embedded in the shingle surface are the primary UV shield; as granules are lost (through hail, foot traffic, or simple weathering), UV degradation accelerates.

Thermal cycling. The temperature swing between a Minnesota January night (-20°F to -30°F in extreme events) and a July afternoon (90°F–100°F on the roof surface) represents approximately 120°F–130°F of thermal cycling range. Each thermal cycle causes the asphalt in the shingle to expand and contract, gradually fatiguing the fiberglass mat reinforcement and the granule-to-asphalt bond. After 15–20 years of cycling, shingles that appear intact on the surface have substantially reduced structural integrity.

Ice and moisture cycling. Snow accumulation, snowmelt, ice dam formation, and the associated freeze-thaw cycling at the eave zone create water intrusion conditions that challenge even properly installed shingle systems. Ice dams that form above an ice-and-water shield zone can still cause damage to underlying decking, insulation, and interior finishes if the water travels far enough horizontally. The ice-and-water shield coverage required by the Minnesota Building Code — minimum 24 inches inside the exterior wall line — is a minimum, not necessarily sufficient for homes with inadequate attic insulation.

Hail. Minnesota’s documented hail frequency — Scott, Dakota, and surrounding counties typically experience 3–6 hail events per year with stones exceeding 0.75 inches — means that Mendota Heights shingle roofs sustain more cumulative hail impact over their service life than in most U.S. regions. Each hail event displaces granules and potentially fractures fiberglass mat reinforcement, shortening service life.

Understanding these aging mechanisms helps Mendota Heights homeowners make more informed decisions about when to re-roof and which products to select.

Getting Maximum Value from a Shingle Replacement in Mendota Heights

A shingle replacement is more than a surface transaction — it is an opportunity to address underlying system issues that have been accumulating under the old shingles. Here is how Sellers Roofing maximizes the value of every shingle replacement project in Mendota Heights:

Decking inspection and repair. When old shingles are removed, every square foot of decking is exposed and inspected. Soft spots, rot, delaminated sheathing, and improperly nailed decking boards are identified and repaired before new shingles are installed. Replacing compromised decking at this stage costs a fraction of what it would cost to address after new shingles are installed.

Ventilation correction. Sellers assesses attic ventilation during every project. Homes with insufficient ridge or soffit ventilation, improperly functioning power ventilators, or ventilation-obstructing blown insulation receive recommendations and — if the homeowner approves — ventilation corrections that improve both winter ice dam performance and summer shingle longevity.

System-level waterproofing. Ice-and-water shield at all eaves and valleys, synthetic underlayment over the full roof surface, proper drip edge on all eaves and rakes, and step flashing at all wall intersections are Sellers’ standard installation components. This system-level approach produces a roof that performs through Minnesota’s full climate range, not just under average conditions.

Class 4 upgrade opportunity. The shingle replacement project is the optimal time to upgrade to Class 4 impact-resistant shingles. The labor cost is identical — only the material cost difference needs to be evaluated against the insurance premium savings. For most Mendota Heights homeowners in Scott County’s hail corridor, this upgrade is financially beneficial over the shingle’s service life.

Call (651) 703-2336 for a free shingle inspection and proposal at your Mendota Heights home. Sellers Roofing — MBE/DBE certified, union labor, 801+ residential projects since 2017, limited lifetime workmanship warranty.


Extended Asphalt Shingle Reference for Mendota Heights Homeowners

How Minnesota’s Climate Ages Asphalt Shingles

Asphalt shingles in Minnesota age through a combination of mechanisms that together create a harsher operating environment than most other U.S. climates:

UV oxidation. Minnesota receives substantial UV radiation during its long summer days — comparable to latitudes that experience milder winters. UV radiation breaks down the asphalt binder in shingles, causing it to oxidize, harden, and crack. The mineral granules embedded in the shingle surface are the primary UV shield; as granules are lost (through hail, foot traffic, or simple weathering), UV degradation accelerates.

Thermal cycling. The temperature swing between a Minnesota January night (-20°F to -30°F in extreme events) and a July afternoon (90°F–100°F on the roof surface) represents approximately 120°F–130°F of thermal cycling range. Each thermal cycle causes the asphalt in the shingle to expand and contract, gradually fatiguing the fiberglass mat reinforcement and the granule-to-asphalt bond. After 15–20 years of cycling, shingles that appear intact on the surface have substantially reduced structural integrity.

Ice and moisture cycling. Snow accumulation, snowmelt, ice dam formation, and the associated freeze-thaw cycling at the eave zone create water intrusion conditions that challenge even properly installed shingle systems. Ice dams that form above an ice-and-water shield zone can still cause damage to underlying decking, insulation, and interior finishes if the water travels far enough horizontally. The ice-and-water shield coverage required by the Minnesota Building Code — minimum 24 inches inside the exterior wall line — is a minimum, not necessarily sufficient for homes with inadequate attic insulation.

Hail. Minnesota’s documented hail frequency — Scott, Dakota, and surrounding counties typically experience 3–6 hail events per year with stones exceeding 0.75 inches — means that Mendota Heights shingle roofs sustain more cumulative hail impact over their service life than in most U.S. regions. Each hail event displaces granules and potentially fractures fiberglass mat reinforcement, shortening service life.

Understanding these aging mechanisms helps Mendota Heights homeowners make more informed decisions about when to re-roof and which products to select.

Getting Maximum Value from a Shingle Replacement in Mendota Heights

A shingle replacement is more than a surface transaction — it is an opportunity to address underlying system issues that have been accumulating under the old shingles. Here is how Sellers Roofing maximizes the value of every shingle replacement project in Mendota Heights:

Decking inspection and repair. When old shingles are removed, every square foot of decking is exposed and inspected. Soft spots, rot, delaminated sheathing, and improperly nailed decking boards are identified and repaired before new shingles are installed. Replacing compromised decking at this stage costs a fraction of what it would cost to address after new shingles are installed.

Ventilation correction. Sellers assesses attic ventilation during every project. Homes with insufficient ridge or soffit ventilation, improperly functioning power ventilators, or ventilation-obstructing blown insulation receive recommendations and — if the homeowner approves — ventilation corrections that improve both winter ice dam performance and summer shingle longevity.

System-level waterproofing. Ice-and-water shield at all eaves and valleys, synthetic underlayment over the full roof surface, proper drip edge on all eaves and rakes, and step flashing at all wall intersections are Sellers’ standard installation components. This system-level approach produces a roof that performs through Minnesota’s full climate range, not just under average conditions.

Class 4 upgrade opportunity. The shingle replacement project is the optimal time to upgrade to Class 4 impact-resistant shingles. The labor cost is identical — only the material cost difference needs to be evaluated against the insurance premium savings. For most Mendota Heights homeowners in Scott County’s hail corridor, this upgrade is financially beneficial over the shingle’s service life.

Call (651) 703-2336 for a free shingle inspection and proposal at your Mendota Heights home. Sellers Roofing — MBE/DBE certified, union labor, 801+ residential projects since 2017, limited lifetime workmanship warranty.







Need a roof inspection in Saint Paul or the Twin Cities? Call Sellers Roofing Company at +1-651-703-2336 or schedule a free estimate. We are a black-owned, NMSDC-certified MBE roofing contractor with 9+ years experience.

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