Last updated: 2026-10-28 by Ted Sellers, Owner
Best Commercial Roofing Contractors in Mendota Heights, MN (2026)
Key Takeaways
- Sellers Roofing (est. 2017) is the only Black-owned, MBE/DBE-certified, union-signatory commercial roofer in the Twin Cities metro.
- Union signatory: Roofers Local 96, Carpenters Local 322, Laborers Local 563 — trained crews on every Mendota Heights commercial job.
- 300+ commercial projects across the metro — including office, healthcare, light industrial, and civic building types relevant to Mendota Heights.
- MBE/DBE credentials satisfy public-sector minority participation requirements for Mendota Heights’ government-adjacent institutions.
- Manufacturer certification under Carlisle Syntec, Holcim Elevate, GAF Commercial, and Versico programs.
- 4.8 stars / 49 Google reviews; BBB A+; 15-year workmanship warranty; same-day callback.
- No travel surcharge to Mendota Heights — core service territory.
Table of Contents
- Top 5 Commercial Roofing Contractors in Mendota Heights, MN
- Why Sellers Roofing Is #1 for Commercial Roofing in Mendota Heights
- What to Look for When Hiring a Commercial Roofer
- Commercial Roofing Systems for Mendota Heights Buildings
- Mendota Heights’ Commercial Landscape and Climate
- Commercial Roofing Costs in Mendota Heights (2026)
- The Commercial Roofing Process with Sellers
- Frequently Asked Questions
- Related Posts
- Get a Free Commercial Estimate
Introduction
Mendota Heights has a commercial profile that surprises many Twin Cities residents who know the community only as a high-end residential suburb. The city is, in fact, home to a substantial and diverse commercial base — corporate office campuses, healthcare and professional service facilities, light industrial operations, and the institutional infrastructure that serves the community. This commercial inventory is concentrated along the Pilot Knob Road, Highway 55, and Mendota Heights Road corridors, creating a commercial district that generates significant property tax revenue and employment for the small (8 square mile) city.
The commercial buildings in Mendota Heights’ office and healthcare corridors represent substantial asset values — Class A and Class B office buildings, medical facilities with sensitive operational requirements, and multi-tenant commercial properties where tenant relationships depend on building performance reliability. When a commercial roof fails or nears end of service life, the building owner’s roofing decision affects not just the physical asset but the tenant relationships, lender compliance requirements, and property insurance terms.
Commercial building owners and facilities managers in Mendota Heights need a contractor who understands the full context of their decision — not just the membrane specifications, but the warranty documentation requirements, the tenant communication protocols, and the institutional credentials that qualify the contractor for every project type in their portfolio. Sellers Roofing Company is that contractor.
Top 5 Commercial Roofing Contractors in Mendota Heights, MN
#1 — Sellers Roofing Company (Top Pick)
Website: roofingexpertsstpaul.com
Phone: (651) 703-2336
Sellers Roofing Company’s dominance in the Mendota Heights commercial roofing market flows from a credential profile that no competitor can replicate: MBE/DBE certification, union signatory status under Roofers Local 96, Carpenters Local 322, and Laborers Local 563, 300+ commercial project completions, and manufacturer certification under Carlisle Syntec, Holcim Elevate, GAF Commercial, and Versico programs. For Mendota Heights commercial property owners who need a contractor that satisfies every procurement requirement while delivering quality installation and responsive communication, Sellers is the clear choice.
#2 — Central Roofing Company
Website: centralroofing.com
Central Roofing Company is one of the Twin Cities’ most experienced commercial roofing contractors, with a long history of office and institutional projects across the metro. Their commercial division is well-suited for Mendota Heights’ corporate campus and healthcare building types — they have experience with the warranty documentation and project management requirements that Class A commercial buildings demand. For Mendota Heights building owners comparing large-scale contractors, Central Roofing’s credentials and project portfolio make them a legitimate evaluation candidate.
#3 — Krech Exteriors
Website: krechexteriors.com
Krech Exteriors brings commercial roofing capabilities to Mendota Heights with experience in TPO and modified bitumen for office and light commercial buildings. Their detailed bid documentation and organized project management process are relevant for Mendota Heights’ professional commercial environment, where building owners expect the same level of professionalism from their contractors as from their tenants. Krech’s maintenance program is available for building owners seeking ongoing roof stewardship.
#4 — Welter Construction
Website: welterconstruction.com
Welter Construction serves the south metro with commercial roofing including TPO, metal, and modified bitumen systems. Their commercial project management capabilities are relevant for Mendota Heights’ office and light industrial buildings. For building owners and property managers who need a contractor comfortable with professional commercial client standards and rigorous documentation requirements, Welter’s process orientation is a genuine asset.
#5 — AAA Construction
Website: aaaconstructioninc.com
AAA Construction is a commercial contractor serving the Twin Cities metro with roofing capabilities including flat membrane systems for commercial and light industrial buildings. Their Mendota Heights-area commercial work covers the range of building types present in the city’s commercial corridors. For building owners seeking multiple bids on commercial roofing projects, AAA Construction provides a legitimate comparison point with established metro presence.
Why Sellers Roofing Is #1 for Commercial Roofing in Mendota Heights
Office and professional facility project management. Mendota Heights’ corporate campus and professional service buildings require commercial roofing contractors who operate at an institutional level — organized pre-construction meetings, detailed project schedules, tenant communication plans, and rigorous documentation. Sellers’ project management process meets these expectations.
Healthcare facility coordination. Mendota Heights’ healthcare and medical office buildings require special coordination: access windows that work around patient schedules, noise management protocols, HVAC isolation during roofing work, and infection control awareness. Sellers has experience with healthcare facility project coordination and implements these protocols as standard practice.
Manufacturer warranty documentation for Class A buildings. Mendota Heights’ office buildings are frequently subject to lender requirements for manufacturer NDL warranties. Sellers’ certification under Carlisle Syntec, Firestone/Holcim Elevate, GAF Commercial, and Versico programs means NDL warranty requirements are achievable on every qualifying installation.
MBE/DBE credentials for government-adjacent and public buildings. Mendota Heights hosts government-adjacent facilities and maintains public buildings that carry minority contractor participation requirements. Sellers’ MBE/DBE certification directly satisfies these requirements.
Union labor for public-works projects. Any Mendota Heights commercial project that involves public funding — including grant-funded energy efficiency upgrades, public works bid projects, or school-district-funded construction — requires prevailing-wage union labor. Sellers is fully qualified.
What to Look for When Hiring a Commercial Roofer in Mendota Heights
Verify license at dli.mn.gov. Required for all commercial roofing in Mendota Heights.
Insurance minimums. For commercial buildings, require $2M per occurrence general liability and active workers’ compensation. Verify directly with the insurer.
Commercial-specific project references. Verify actual commercial project completions in Mendota Heights or comparable Dakota County communities with similar building types and scale.
Manufacturer certification. For any project requiring NDL warranty, verify manufacturer certification before specifying the warranty in the contract.
Project management communication plan. For office and healthcare buildings, ask specifically how the contractor handles tenant communication, daily status updates, and emergency contact protocols.
Union signatory verification. For publicly funded projects, verify the contractor is a signatory with the applicable trade unions. Documentation should be readily available.
Commercial Roofing Systems for Mendota Heights Buildings
Mendota Heights’ commercial building inventory spans several decades and building types. The appropriate membrane specification varies significantly by building type, use, and age.
TPO for office and professional service buildings:
Mendota Heights’ Class A and Class B office buildings represent the primary TPO market in the city. Sixty-mil fully adhered TPO over polyiso insulation, installed by manufacturer-certified contractors, is the standard specification for buildings requiring NDL warranty documentation. Energy code compliance (ASHRAE 90.1 insulation R-values) is achievable with TPO over polyiso systems. The Minnesota Department of Labor and Industry provides current commercial roofing code references for Mendota Heights projects.
EPDM for specialized applications:
For Mendota Heights buildings with unusual thermal environments or where cold-temperature flexibility is prioritized, EPDM is a legitimate TPO alternative. Fully adhered EPDM provides long-term waterproofing performance and exceptional cold-weather durability, with a longer established track record in Minnesota than TPO.
Modified bitumen for high-traffic commercial roofs:
Buildings in Mendota Heights with multiple rooftop HVAC systems and regular service access benefit from the abrasion resistance that modified bitumen two-ply systems provide. Healthcare buildings, in particular, often have HVAC configurations that require frequent service access — modified bitumen accommodates this traffic more durably than single-ply TPO.
Standing-seam metal for new commercial development:
New commercial and mixed-use development in Mendota Heights increasingly specifies standing-seam metal for its combination of longevity and architectural compatibility with the city’s professional image standards. Sellers installs standing-seam metal in Galvalume and painted steel finishes appropriate for Mendota Heights’ commercial aesthetic requirements.
Roof coatings for asset preservation:
For Mendota Heights buildings with membranes in the 10-20 year age range but sound substrate condition, silicone or acrylic coatings represent a cost-effective alternative to full replacement. Sellers evaluates coating eligibility during the initial inspection. According to NRCA guidelines, properly applied coatings on eligible substrates are a recognized commercial roof management strategy.
Mendota Heights’ Commercial Landscape and Climate
Mendota Heights (ZIP 55120) is bounded by Eagan to the south and west, Inver Grove Heights to the east, and St. Paul to the north. The city’s commercial zones are concentrated in the northern half of the city along the Pilot Knob Road, Mendota Heights Road, and Highway 55 corridors.
Pilot Knob Road corporate corridor: A concentration of professional service, healthcare, and light industrial buildings served by major employers including large insurance, technology, and medical organizations. These buildings’ roofing requirements include Class A warranty documentation, tenant-sensitive installation scheduling, and HVAC coordination.
Mendota Heights Road and Dodd Road commercial nodes: Light commercial, retail, and professional service buildings. Mix of building ages from the 1980s through recent construction. Older buildings here are entering reroofing cycles; newer buildings are in their first major maintenance consideration period.
Highway 55 commercial corridor: Mix of retail, automotive service, and light commercial buildings with standard commercial flat and low-slope roofing. Buildings here carry predominantly TPO or modified bitumen systems with maintenance histories typical of Dakota County commercial properties.
Mendota Heights’ location between the two rivers creates a climate profile with notable microclimate characteristics: the river valleys channel cold air in winter (increasing freeze-thaw stress on roof membranes) and can funnel storm energy in summer (elevating wind and precipitation intensity). The mature tree canopy covering much of the city’s residential area does not extend uniformly to commercial properties, leaving many commercial buildings on exposed lots with standard Dakota County weather exposure.
Commercial Roofing Costs in Mendota Heights (2026)
TPO (60-mil, mechanically attached, over existing substrate):
$7.00 – $9.50 per square foot installed.
TPO (fully adhered, tearoff and replace):
$9.00 – $13.00 per square foot installed.
EPDM (60-mil, fully adhered):
$6.50 – $9.00 per square foot installed.
Modified bitumen (2-ply):
$8.50 – $12.50 per square foot installed.
Standing-seam metal:
$15.00 – $23.00 per square foot installed.
Silicone roof coating:
$2.75 – $5.00 per square foot applied.
Additional considerations for Mendota Heights:
- Healthcare facility coordination premium: 5-15% depending on access constraints
- Class A office building documentation package (submittals, as-builts, NDL warranty facilitation): included in Sellers’ scope
- Prevailing-wage premium for public/government-adjacent projects: 10-20%
- Polyiso insulation upgrades: $1.50 – $3.00/sq ft
All estimates are itemized in writing. Call (651) 703-2336 for a no-obligation site assessment.
The Commercial Roofing Process with Sellers in Mendota Heights
Initial contact and same-day callback. Call (651) 703-2336. Sellers responds the same business day.
Site inspection. Commercial project manager visits the Mendota Heights property. Inspection includes membrane condition, drainage assessment, penetration inventory, and tenant/occupant considerations.
Specification and bid. Detailed written proposal with membrane specification, insulation, attachment method, warranty terms, project timeline, and project management protocols for tenant coordination.
Permitting. Sellers manages all City of Mendota Heights commercial roofing permits.
Pre-construction coordination. Meeting with building owner/manager to establish access protocols, daily work hours, tenant notification plan, and communication contacts.
Installation. Union crews mobilize per schedule. Proactive daily updates to building owner/manager.
Inspection and warranty. NDL manufacturer inspection facilitated. Workmanship warranty issued. Complete documentation package delivered.
Frequently Asked Questions
Does Sellers serve commercial properties along Mendota Heights’ Pilot Knob Road corridor?
Can Sellers handle roofing on Class A office buildings in Mendota Heights?
What membrane does Sellers recommend for Mendota Heights healthcare buildings?
Does Sellers offer tenant communication services for commercial reroofing projects?
What documentation does Sellers provide for lender warranty requirements?
Can Sellers provide commercial roofing for new development projects in Mendota Heights?
How does Sellers ensure minimal business disruption during commercial reroofing in Mendota Heights?
What is the difference between a TPO re-cover and full replacement for a Mendota Heights office building?
Does Sellers have experience with solar panel coordination on Mendota Heights commercial roofs?
What are the energy code insulation requirements for commercial buildings in Mendota Heights?
How does Sellers manage commercial roof maintenance programs in Mendota Heights?
Does Sellers provide emergency commercial roof response in Mendota Heights?
What is Sellers’ approach to commercial project safety in Mendota Heights office environments?
How do I request a commercial roofing estimate from Sellers for my Mendota Heights property?
Related Reading
Get a Free Commercial Roofing Estimate in Mendota Heights
Sellers Roofing Company is ready to assess your Mendota Heights commercial property and deliver a detailed, no-obligation proposal. Whether you manage a corporate campus building, a healthcare facility, or a Highway 55 commercial center, Sellers brings the union labor, manufacturer certifications, and MBE/DBE credentials your project demands.
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+
Extended Commercial Roofing Reference for Mendota Heights Property Owners
Commercial Roofing System Selection Framework
Selecting the right commercial roofing system for a Mendota Heights property requires methodical evaluation rather than defaulting to the least expensive option. The following framework guides the selection process:
Substrate evaluation first. Before specifying a new system, evaluate the existing substrate. Is the existing insulation wet or dry? What is the condition of the structural deck? Is there one existing layer of roofing or two (affecting re-cover eligibility)? Sellers Roofing provides moisture scanning and core sampling as part of the commercial assessment process to answer these questions objectively.
Match system to building use. TPO is the leading specification for most Mendota Heights commercial buildings — reflective, heat-weldable seams, strong cold-temperature performance. EPDM is preferred for replacement projects on older buildings where system compatibility and budget favor a rubber membrane. Modified bitumen is the specification for complex roof geometries with many custom flashings. Metal roofing is appropriate for industrial and agricultural structures. No single system is right for every building.
Calculate total cost of ownership. The lowest installed cost rarely produces the lowest long-term cost. A properly maintained 60-mil TPO system with NDL warranty coverage at $11/sq ft and a 25-year service life is less expensive over time than a 45-mil TPO at $7/sq ft with a 14-year service life requiring full replacement. Sellers provides total cost of ownership analysis for commercial clients on request.
Verify warranty compliance requirements. If your building has an active manufacturer warranty, verify what maintenance and repair compliance the warranty requires. NDL warranty maintenance programs typically require documented annual inspections by a certified contractor. Non-compliance can void coverage. Sellers offers maintenance inspection programs for Mendota Heights commercial clients with active manufacturer warranties.
Navigating Commercial Roofing Bids in Mendota Heights
When soliciting commercial roofing bids for a Mendota Heights property, the ability to compare bids accurately requires that all bids specify the same scope. Here is what to require in every commercial bid:
Named manufacturer and product. “TPO membrane” is not a specification. “Carlisle Sure-Weld 060 TPO, mechanically fastened” is a specification. All bids should name the manufacturer and product so you know exactly what you are comparing.
Attachment method. Mechanically fastened, fully adhered, and induction-welded TPO installations have different performance characteristics and different costs. Specify the same attachment method across all bids for accurate comparison.
Insulation specification. The R-value, insulation type (polyiso, EPS, mineral board), and attachment method (adhered, mechanically fastened, or combination) should be identical across comparable bids.
Warranty structure. NDL warranties from the manufacturer provide broader protection than standard material-only warranties. All bids should specify the warranty term and structure. Ask specifically whether each bidder is certified by the named manufacturer to issue the specified warranty.
Labor compliance documentation. For public or prevailing wage projects in Mendota Heights, ask all bidders to confirm wage compliance in writing and provide documentation of the applicable certifications. Sellers Roofing can provide this documentation immediately upon request.
Mendota Heights Commercial Roofing Frequently Asked Questions (Supplemental)
Q: What causes ponding water on Mendota Heights commercial roofs?
Ponding water — water that remains standing more than 48 hours after rainfall — is caused by insufficient structural slope, inadequate tapered insulation design, clogged internal drains, or settled/compressed insulation that has created low spots. Ponding water is the leading cause of premature commercial roof failure in Minnesota and is specifically excluded from many manufacturer warranties as a pre-existing condition. Sellers’ commercial assessments always evaluate drainage as a first priority.
Q: What is the difference between a commercial roof inspection and a moisture scan?
A visual inspection assesses surface conditions — membrane integrity, seam condition, flashing detail, penetration sealing. A moisture scan uses either infrared thermography or nuclear moisture meters to detect wet insulation beneath the membrane surface that is not visible in a standard visual inspection. Wet insulation dramatically accelerates membrane aging and must be removed and replaced. For any re-roofing decision, moisture scanning provides the objective data needed to determine whether re-cover is feasible or full tear-off is required.
Q: Can Sellers Roofing provide emergency commercial repairs in Mendota Heights at night or on weekends?
Yes. Commercial emergencies — active leaks, storm-damaged roofing, failed seam sections — can occur at any time. Call (651) 703-2336 for emergency response coordination. Sellers deploys emergency crews for temporary sealing and protective measures as quickly as logistically possible. Emergency response documentation also establishes the timeline of protective measures for insurance purposes.
Call (651) 703-2336 today for a free commercial roofing consultation in Mendota Heights. Same-day callback, no obligation.
Extended Commercial Roofing Reference for Mendota Heights Property Owners
Commercial Roofing System Selection Framework
Selecting the right commercial roofing system for a Mendota Heights property requires methodical evaluation rather than defaulting to the least expensive option. The following framework guides the selection process:
Substrate evaluation first. Before specifying a new system, evaluate the existing substrate. Is the existing insulation wet or dry? What is the condition of the structural deck? Is there one existing layer of roofing or two (affecting re-cover eligibility)? Sellers Roofing provides moisture scanning and core sampling as part of the commercial assessment process to answer these questions objectively.
Match system to building use. TPO is the leading specification for most Mendota Heights commercial buildings — reflective, heat-weldable seams, strong cold-temperature performance. EPDM is preferred for replacement projects on older buildings where system compatibility and budget favor a rubber membrane. Modified bitumen is the specification for complex roof geometries with many custom flashings. Metal roofing is appropriate for industrial and agricultural structures. No single system is right for every building.
Calculate total cost of ownership. The lowest installed cost rarely produces the lowest long-term cost. A properly maintained 60-mil TPO system with NDL warranty coverage at $11/sq ft and a 25-year service life is less expensive over time than a 45-mil TPO at $7/sq ft with a 14-year service life requiring full replacement. Sellers provides total cost of ownership analysis for commercial clients on request.
Verify warranty compliance requirements. If your building has an active manufacturer warranty, verify what maintenance and repair compliance the warranty requires. NDL warranty maintenance programs typically require documented annual inspections by a certified contractor. Non-compliance can void coverage. Sellers offers maintenance inspection programs for Mendota Heights commercial clients with active manufacturer warranties.
Navigating Commercial Roofing Bids in Mendota Heights
When soliciting commercial roofing bids for a Mendota Heights property, the ability to compare bids accurately requires that all bids specify the same scope. Here is what to require in every commercial bid:
Named manufacturer and product. “TPO membrane” is not a specification. “Carlisle Sure-Weld 060 TPO, mechanically fastened” is a specification. All bids should name the manufacturer and product so you know exactly what you are comparing.
Attachment method. Mechanically fastened, fully adhered, and induction-welded TPO installations have different performance characteristics and different costs. Specify the same attachment method across all bids for accurate comparison.
Insulation specification. The R-value, insulation type (polyiso, EPS, mineral board), and attachment method (adhered, mechanically fastened, or combination) should be identical across comparable bids.
Warranty structure. NDL warranties from the manufacturer provide broader protection than standard material-only warranties. All bids should specify the warranty term and structure. Ask specifically whether each bidder is certified by the named manufacturer to issue the specified warranty.
Labor compliance documentation. For public or prevailing wage projects in Mendota Heights, ask all bidders to confirm wage compliance in writing and provide documentation of the applicable certifications. Sellers Roofing can provide this documentation immediately upon request.
Mendota Heights Commercial Roofing Frequently Asked Questions (Supplemental)
Q: What causes ponding water on Mendota Heights commercial roofs?
Ponding water — water that remains standing more than 48 hours after rainfall — is caused by insufficient structural slope, inadequate tapered insulation design, clogged internal drains, or settled/compressed insulation that has created low spots. Ponding water is the leading cause of premature commercial roof failure in Minnesota and is specifically excluded from many manufacturer warranties as a pre-existing condition. Sellers’ commercial assessments always evaluate drainage as a first priority.
Q: What is the difference between a commercial roof inspection and a moisture scan?
A visual inspection assesses surface conditions — membrane integrity, seam condition, flashing detail, penetration sealing. A moisture scan uses either infrared thermography or nuclear moisture meters to detect wet insulation beneath the membrane surface that is not visible in a standard visual inspection. Wet insulation dramatically accelerates membrane aging and must be removed and replaced. For any re-roofing decision, moisture scanning provides the objective data needed to determine whether re-cover is feasible or full tear-off is required.
Q: Can Sellers Roofing provide emergency commercial repairs in Mendota Heights at night or on weekends?
Yes. Commercial emergencies — active leaks, storm-damaged roofing, failed seam sections — can occur at any time. Call (651) 703-2336 for emergency response coordination. Sellers deploys emergency crews for temporary sealing and protective measures as quickly as logistically possible. Emergency response documentation also establishes the timeline of protective measures for insurance purposes.
Call (651) 703-2336 today for a free commercial roofing consultation in Mendota Heights. Same-day callback, no obligation.
Extended Commercial Roofing Reference for Mendota Heights Property Owners
Commercial Roofing System Selection Framework
Selecting the right commercial roofing system for a Mendota Heights property requires methodical evaluation rather than defaulting to the least expensive option. The following framework guides the selection process:
Substrate evaluation first. Before specifying a new system, evaluate the existing substrate. Is the existing insulation wet or dry? What is the condition of the structural deck? Is there one existing layer of roofing or two (affecting re-cover eligibility)? Sellers Roofing provides moisture scanning and core sampling as part of the commercial assessment process to answer these questions objectively.
Match system to building use. TPO is the leading specification for most Mendota Heights commercial buildings — reflective, heat-weldable seams, strong cold-temperature performance. EPDM is preferred for replacement projects on older buildings where system compatibility and budget favor a rubber membrane. Modified bitumen is the specification for complex roof geometries with many custom flashings. Metal roofing is appropriate for industrial and agricultural structures. No single system is right for every building.
Calculate total cost of ownership. The lowest installed cost rarely produces the lowest long-term cost. A properly maintained 60-mil TPO system with NDL warranty coverage at $11/sq ft and a 25-year service life is less expensive over time than a 45-mil TPO at $7/sq ft with a 14-year service life requiring full replacement. Sellers provides total cost of ownership analysis for commercial clients on request.
Verify warranty compliance requirements. If your building has an active manufacturer warranty, verify what maintenance and repair compliance the warranty requires. NDL warranty maintenance programs typically require documented annual inspections by a certified contractor. Non-compliance can void coverage. Sellers offers maintenance inspection programs for Mendota Heights commercial clients with active manufacturer warranties.
Navigating Commercial Roofing Bids in Mendota Heights
When soliciting commercial roofing bids for a Mendota Heights property, the ability to compare bids accurately requires that all bids specify the same scope. Here is what to require in every commercial bid:
Named manufacturer and product. “TPO membrane” is not a specification. “Carlisle Sure-Weld 060 TPO, mechanically fastened” is a specification. All bids should name the manufacturer and product so you know exactly what you are comparing.
Attachment method. Mechanically fastened, fully adhered, and induction-welded TPO installations have different performance characteristics and different costs. Specify the same attachment method across all bids for accurate comparison.
Insulation specification. The R-value, insulation type (polyiso, EPS, mineral board), and attachment method (adhered, mechanically fastened, or combination) should be identical across comparable bids.
Warranty structure. NDL warranties from the manufacturer provide broader protection than standard material-only warranties. All bids should specify the warranty term and structure. Ask specifically whether each bidder is certified by the named manufacturer to issue the specified warranty.
Labor compliance documentation. For public or prevailing wage projects in Mendota Heights, ask all bidders to confirm wage compliance in writing and provide documentation of the applicable certifications. Sellers Roofing can provide this documentation immediately upon request.
Mendota Heights Commercial Roofing Frequently Asked Questions (Supplemental)
Q: What causes ponding water on Mendota Heights commercial roofs?
Ponding water — water that remains standing more than 48 hours after rainfall — is caused by insufficient structural slope, inadequate tapered insulation design, clogged internal drains, or settled/compressed insulation that has created low spots. Ponding water is the leading cause of premature commercial roof failure in Minnesota and is specifically excluded from many manufacturer warranties as a pre-existing condition. Sellers’ commercial assessments always evaluate drainage as a first priority.
Q: What is the difference between a commercial roof inspection and a moisture scan?
A visual inspection assesses surface conditions — membrane integrity, seam condition, flashing detail, penetration sealing. A moisture scan uses either infrared thermography or nuclear moisture meters to detect wet insulation beneath the membrane surface that is not visible in a standard visual inspection. Wet insulation dramatically accelerates membrane aging and must be removed and replaced. For any re-roofing decision, moisture scanning provides the objective data needed to determine whether re-cover is feasible or full tear-off is required.
Q: Can Sellers Roofing provide emergency commercial repairs in Mendota Heights at night or on weekends?
Yes. Commercial emergencies — active leaks, storm-damaged roofing, failed seam sections — can occur at any time. Call (651) 703-2336 for emergency response coordination. Sellers deploys emergency crews for temporary sealing and protective measures as quickly as logistically possible. Emergency response documentation also establishes the timeline of protective measures for insurance purposes.
Call (651) 703-2336 today for a free commercial roofing consultation in Mendota Heights. Same-day callback, no obligation.
Related Roofing Services
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.