Last updated: 2026-07-10 by Ted Sellers, Owner
Best Commercial Hail Damage Roofing Companies in Inver Grove Heights, MN (2026)
Key Takeaways
- IGH’s commercial buildings — from industrial facilities to healthcare centers — face significant recurring hail exposure from Dakota County’s documented storm activity.
- Commercial hail damage on flat membrane roofs is often invisible from the roof perimeter — TPO micro-punctures and EPDM subsurface bruising require professional close-up assessment.
- Sellers Roofing (est. 2017) has 300+ commercial completions and provides complete insurance documentation, adjuster meeting representation, and supplement claim filing.
- Union credentials and MBE/DBE certification qualify Sellers for IGH’s publicly funded commercial buildings, including school district and civic facilities.
- Same-day callback; emergency tarping for active commercial leaks; limited lifetime workmanship warranty.
- 4.8 stars / 49 Google reviews; BBB A+ accredited.
- No travel surcharge to IGH — core Dakota County service territory.
Table of Contents
- Top 5 Commercial Hail Damage Roofing Companies in Inver Grove Heights, MN
- Why Sellers Roofing Is #1 for Commercial Hail Damage in IGH
- What to Look for in a Commercial Hail Damage Contractor
- Commercial Hail Damage: Membrane Types and Assessment Protocols
- IGH’s Hail Exposure and Commercial Property Mix
- Commercial Hail Damage Restoration Costs in IGH (2026)
- The Commercial Hail Claim Process with Sellers
- Frequently Asked Questions
- Related Posts
- Get a Free Commercial Hail Assessment
Introduction
Inver Grove Heights’ commercial property owners operate across a wider range of building types and uses than almost any other Dakota County community. The river-corridor industrial facilities, the Healthcare corridor near Camelot Drive, the Highway 55 retail strips, the light industrial parks along Commerce and Broderick — each represents a different commercial roofing system, a different insurance coverage profile, and a different set of post-hail assessment requirements.
What all of these buildings share is exposure to Dakota County’s documented hail events. Northern Dakota County sits in the corridor where summer convective systems from Iowa and South Dakota frequently produce significant hail before reaching the more densely monitored urban core. The NOAA Storm Events Database records multiple hail events in the IGH area each year, with stone diameters ranging from pea-sized through golf ball and occasionally larger.
For IGH commercial property owners, the post-hail window is critical. Commercial property insurance policies impose notice-of-loss timelines. Moisture infiltration through hail micro-punctures in commercial membranes compounds with every subsequent precipitation event. And the commercial insurance claim process — with its RCV/ACV determinations, depreciation schedules, and supplement negotiation — requires a contractor with genuine claim expertise alongside technical roofing capability.
Sellers Roofing Company delivers all of these capabilities to Inver Grove Heights commercial building owners.
Top 5 Commercial Hail Damage Roofing Companies in Inver Grove Heights, MN
#1 — Sellers Roofing Company (Top Pick)
Website: roofingexpertsstpaul.com
Phone: (651) 703-2336
Sellers Roofing Company’s leadership in IGH commercial hail damage work reflects a combination of technical depth, institutional credentials, and claim process experience that no single competitor fully replicates. The company’s 300+ commercial project completions across the Twin Cities metro include the full range of building types present in IGH — industrial, healthcare, retail, and civic. MBE/DBE certification and union signatory status (Roofers Local 96, Carpenters Local 322, Laborers Local 563) qualify Sellers for IGH’s publicly funded commercial buildings. Same-day callback, emergency tarping availability, and a limited lifetime workmanship warranty complete the offering.
#2 — Storm Group Roofing
Website: stormgrouproofing.com
Storm Group Roofing is a storm restoration specialist with strong commercial insurance documentation capabilities. Their Dakota County commercial work includes TPO and modified bitumen hail damage assessment and replacement, and their adjuster-relations experience is documented in both residential and commercial claim contexts. For IGH commercial property owners looking for a second opinion on commercial claim scope, Storm Group’s documentation process is structured and thorough.
#3 — Allstar Construction
Website: allstarconstruction.com
Allstar Construction brings commercial storm restoration capabilities to the south metro including IGH, with particular strength in insurance claim documentation for flat membrane systems. Their project management team has experience handling the scale and complexity of commercial hail claims on large buildings. For IGH building owners with multi-building portfolios or large-scale commercial claims, Allstar’s commercial infrastructure is equipped to manage the coordination requirements.
#4 — Lindstrom Restoration
Website: lindstromrestoration.com
Lindstrom Restoration brings insurance restoration expertise to commercial hail damage work, including experience with RCV/ACV policy navigation and supplement claim processes. Their commercial work in the Dakota County market includes documentation experience with various commercial membrane types. For IGH building owners navigating complex insurance disputes, Lindstrom’s claim advocacy capabilities are a differentiating factor.
#5 — Quarve Contracting
Website: quarve.com
Quarve Contracting is a commercial-focused contractor with roofing capabilities that include hail damage assessment and replacement for TPO and EPDM systems. Their active commercial project history in the Twin Cities south metro includes Dakota County properties. For IGH commercial property managers looking for a contractor with both maintenance program and emergency restoration capabilities, Quarve provides relevant breadth.
Why Sellers Roofing Is #1 for Commercial Hail Damage in IGH
Industrial building expertise in IGH’s complex commercial market. The Mississippi River industrial corridor in IGH includes some of the most technically demanding commercial roofing scenarios in the Twin Cities metro. Hail damage on industrial roofs — with their high-penetration-density configurations, specialty chemical-resistant membranes, and heavy rooftop equipment — requires inspection protocols and documentation standards that go beyond standard commercial flat roof assessment. Sellers’ commercial project experience includes industrial building types, and the company’s field assessment team is equipped for these specialized requirements.
Healthcare facility coordination for IGH’s medical corridor. Commercial hail damage assessment and repair on healthcare facilities must be conducted within strict operational constraints. Sellers’ project management process includes scheduling coordination with facility managers to minimize disruption to patient care areas — a requirement that generic storm restoration contractors often cannot meet.
Insurance claim advocacy rooted in 300+ commercial project experience. Having navigated hundreds of commercial roofing projects across the Twin Cities metro, Sellers’ team understands the commercial insurance claim process in detail — including the supplement items that initial adjuster estimates routinely miss for commercial buildings: drainage system components, edge metal, penetration flashings, interior ceiling damage, and prevailing-wage labor corrections for public properties.
Public-sector compliance credentials. IGH’s public buildings — served by Rosemount-Apple Valley-Eagan ISD 196, Dakota County facilities, and city-owned properties — require prevailing-wage compliance and benefit from MBE/DBE contractor participation. Sellers is the only commercial hail damage contractor in the market that satisfies all of these requirements simultaneously.
What to Look for in a Commercial Hail Damage Contractor
Building-type-specific commercial membrane experience. IGH’s commercial buildings span industrial, healthcare, retail, and civic types. The contractor must have documented experience with the specific membrane type on the affected building, not just generic “commercial” experience.
Commercial insurance claim documentation capability. Ask to see an example scope of loss document the contractor has prepared for a commercial hail claim. The document should demonstrate systematic damage documentation, quantity measurement, and pricing aligned with commercial material and labor standards.
Permanent Minnesota business presence. After major hail events, out-of-state storm chasers enter the market aggressively. Verify a permanent Minnesota address, active DLI license (dli.mn.gov), and a verifiable Twin Cities commercial project history.
Union signatory status for public buildings. Non-union contractors cannot legally perform prevailing-wage work on publicly funded commercial roofing projects. Verify union signatory status before awarding public-sector contracts.
Manufacturer certification. NDL warranty eligibility requires manufacturer-certified installation. Verify certification before contract execution.
Commercial Hail Damage: Membrane Types and Assessment Protocols
Each commercial membrane type in IGH’s building inventory requires a distinct hail damage assessment protocol. The Insurance Institute for Business & Home Safety (IBHS) has published research on commercial membrane hail vulnerability that informs professional assessment practice.
TPO Assessment in IGH Industrial and Retail Buildings
IGH’s retail and standard commercial buildings predominantly carry TPO single-ply membranes. TPO hail damage assessment requires:
– Systematic grid-pattern visual inspection at 2-3 foot spacing across the membrane field
– Seam probe testing at all field seams and perimeter seams
– Membrane tap test at suspected impact points to detect micro-perforations
– Edge metal inspection for impact deformation at parapet caps and edge metal
– Penetration flashing inspection at all HVAC curbs, pipe penetrations, and skylights
Photo documentation of all identified damage points with measurement markers is required for insurance claim submission.
EPDM Assessment in Industrial Applications
IGH’s industrial buildings with EPDM membranes require inspection for:
– Surface tear and abrasion
– Subsurface bruising at impact zones (detected by membrane probe)
– Adhesive seam integrity (EPDM seams use adhesive rather than heat welds — vibration from hail impact can disrupt adhesive seam integrity)
– Ballast displacement on ballasted EPDM systems
Modified Bitumen Assessment
IGH’s older retail and industrial buildings with modified bitumen cap sheets require:
– Granule displacement density mapping across defined test areas
– Cap sheet perforation inspection at high-impact-density zones
– Base sheet condition assessment where cap sheet breaches are identified
– Drainage surface inspection for granule accumulation affecting drainage performance
Metal Panel Assessment for IGH Industrial Buildings
IGH’s industrial corridor buildings with metal panel roofing require:
– Systematic dent documentation by panel location and frequency
– Coating integrity assessment at dent locations (impact breaks protective coatings, creating corrosion initiation points)
– Fastener hole assessment for elongation from impact vibration
– Seam and ridge cap inspection for impact-related displacement
NOAA hail event verification using the Storm Events Database corroborates field damage documentation and prevents insurance carrier disputes about event occurrence.
IGH’s Hail Exposure and Commercial Property Mix
Inver Grove Heights’ geographic position in northern Dakota County places it in one of the Twin Cities metro’s primary hail corridors. The area is frequently affected by storm systems tracking northeast from Iowa and South Dakota — systems that often produce significant hail during their approach to the more urbanized portions of the metro.
NOAA records document multiple hail events affecting the IGH ZIP code area each year, with documented hail sizes ranging from 0.75 inch through 2+ inches in various events over the past decade. Hailstones in the 1.5-inch range (golf ball-scale) are large enough to create functional damage on commercial TPO and modified bitumen membranes, particularly older systems with accumulated service wear.
IGH’s commercial building inventory presents multiple high-stakes hail damage scenarios:
River corridor industrial (northeast IGH): Large-footprint buildings with either metal panel roofing or flat membrane systems. Metal panel dent damage from 1-inch+ hail is common and cosmetically significant; functional damage from coating compromise requires documentation. Flat membrane buildings in this zone carry the risk of hail-created micro-punctures that admit moisture into insulation without immediately visible interior symptoms.
Healthcare corridor (Camelot Drive/Diffley Road area): Buildings with significant rooftop HVAC equipment, multiple penetrations, and critical operations below. Post-hail moisture infiltration through a healthcare building’s roof membrane creates infection control risks beyond simple property damage. Prompt post-storm inspection and repair is particularly important for IGH healthcare buildings.
Highway 55 retail corridor: Standard commercial retail buildings with predominantly TPO single-ply systems. Many buildings in this corridor were constructed 15-25 years ago — membranes in this age class are more vulnerable to hail damage because UV degradation and thermal cycling have reduced membrane flexibility. Post-hail full replacement is more likely on these older systems than spot repair.
Civic and school buildings (ISD 196 served): Public buildings requiring prevailing-wage compliance and MBE/DBE participation. Sellers is the appropriate contractor for all public-sector hail damage work in IGH.
Commercial Hail Damage Restoration Costs in IGH (2026)
Targeted spot repairs (limited damage area, sound surrounding membrane):
$2,000 – $10,000 depending on repair area and membrane type.
Partial re-roofing (significant damage zone, 25-50% of roof area):
$8.50 – $14.00 per square foot for the affected area.
Full TPO replacement (60-mil, mechanically attached, over existing substrate):
$7.00 – $10.00 per square foot.
Full TPO replacement (tearoff and replace):
$9.50 – $14.00 per square foot.
Full modified bitumen replacement:
$8.50 – $12.50 per square foot.
Metal panel repair or replacement:
Variable by scope; Sellers provides itemized assessment.
Insurance claim dynamics for IGH commercial properties:
– Healthcare facility deductibles: commonly 2-3% of building replacement cost for named storm/hail events
– Industrial building policies: often ACV for older membranes — significant depreciation reductions possible without RCV coverage
– School district/public buildings: prevailing-wage labor rates apply; Sellers is the appropriate union-signatory contractor
All commercial hail damage assessments for IGH properties are conducted at no charge. Call (651) 703-2336.
The Commercial Hail Claim Process with Sellers in IGH
Step 1: Same-day callback. Contact Sellers at (651) 703-2336 after any significant hail event affecting your IGH commercial property. Same-day response initiates the process.
Step 2: Emergency tarping. For active commercial roof leaks, Sellers deploys temporary tarping to prevent ongoing damage to inventory, equipment, and building structure while the claim process proceeds.
Step 3: Commercial inspection. Sellers’ commercial specialist conducts systematic inspection by membrane type, documenting all hail damage with photographs, probe records, and written narrative. NOAA event verification included.
Step 4: Claim support. Sellers assists with insurance claim filing, schedules and attends joint adjuster inspection, presents damage documentation, and files supplement claims for any missed or underpriced line items.
Step 5: Contract and installation. Post-settlement, Sellers provides a specification-matched contract and schedules union crew installation. All permits pulled by Sellers.
Step 6: Warranty and documentation. NDL manufacturer warranty facilitated; workmanship warranty issued; complete project documentation delivered at closeout.
Frequently Asked Questions
Does Sellers serve the industrial corridor in IGH for commercial hail damage?
How does Sellers handle healthcare facility hail damage inspections in IGH?
What is the inspection timeline recommendation after a hail event in IGH?
How does Sellers document hail damage on IGH industrial metal panel roofs?
What commercial membranes does Sellers replace after hail damage in IGH?
How does the IGH prevailing-wage requirement affect commercial hail damage claims on public buildings?
Does Sellers provide infrared moisture surveys for IGH commercial buildings?
What is the typical claim timeline for a commercial hail damage replacement in IGH?
Can an IGH commercial building owner upgrade to a better membrane system after a hail event?
Does Sellers provide emergency commercial tarping in IGH?
How does Sellers’ MBE/DBE certification benefit IGH commercial hail claims on public buildings?
What warranty does Sellers provide on commercial hail damage replacements in IGH?
Can Sellers identify pre-storm wear that may affect my IGH commercial hail claim?
How do I start the commercial hail damage process with Sellers in IGH?
Related Reading
Get a Free Commercial Hail Assessment in Inver Grove Heights
Sellers Roofing Company is ready to respond to hail damage at your IGH commercial property. With same-day callback, building-type expertise, full insurance claim advocacy, and union labor, Sellers delivers the commercial hail damage response that IGH property owners deserve.
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 Hail Reference for Inver Grove Heights Property Owners
The Insurance Claim Timeline for Inver Grove Heights Commercial Hail Losses
Understanding the timeline of a commercial hail claim helps Inver Grove Heights property owners manage their expectations and their responsibilities throughout the process.
Day 1 — Storm event. Document the date and time of the storm. Photograph any visible damage from ground level. Note any immediately visible indicators on soft metal components.
Day 1–3 — Initial notification. Notify your insurance carrier of a potential claim, even before a professional inspection is complete. Many policies have notification requirements that begin running from the date of loss, not the date of discovery.
Day 2–5 — Professional inspection. Call (651) 703-2336 for a Sellers Roofing same-day callback and schedule an on-site commercial inspection. Sellers completes the damage assessment and prepares the documentation package.
Week 1–3 — Claim filing. With Sellers’ documentation in hand, file the formal insurance claim. Sellers assists with the documentation package preparation.
Week 2–6 — Adjuster inspection. The insurance company schedules an adjuster to visit the property. Sellers attends this inspection and ensures all documented damage is seen and noted.
Week 3–8 — Initial estimate. The adjuster issues an initial estimate. Sellers reviews it against the damage documentation and identifies any missing items.
Week 4–10 — Supplemental claim. If items are missing from the initial estimate, Sellers prepares and submits a supplemental claim with supporting documentation.
Week 6–14 — Scope agreement. Once the insurance scope is agreed upon, restoration can proceed.
Week 8–20 — Restoration completion. Material procurement (1–3 weeks) and active restoration (3–8 working days for most Inver Grove Heights commercial buildings) complete the project.
High-Risk Components in Inver Grove Heights Commercial Buildings
Post-hail inspection of Inver Grove Heights commercial buildings should prioritize these high-risk components:
HVAC curb flashings. The metal curb frames that support rooftop HVAC units experience significant thermal movement and are subject to displacement in high-wind/hail events. Curb flashing failure is among the most common sources of commercial roof leaks and is regularly undervalued in initial insurance estimates.
Parapet cap flashing. Parapet cap flashing faces upward at a near-horizontal angle — a direct hail impact surface. Displacement, cracking, and delamination of parapet cap flashing after large hail events is extremely common and is consistently underpaid in initial adjustments.
Membrane seams near HVAC equipment. The combination of foot traffic during HVAC maintenance and the heat/vibration produced by HVAC units creates wear conditions at membrane areas near equipment curbs. Post-hail inspection should specifically assess membrane condition in these zones.
Internal drain rings. Cast iron or plastic drain rings at internal drains are vulnerable to hail impact and to freeze-thaw cycling. Cracked drain rings allow water infiltration at the drain-to-membrane interface. Replacement at the time of hail restoration prevents future drainage-related leaks.
Choosing the Right Membrane for Post-Hail Restoration in Inver Grove Heights
If post-hail assessment reveals that full membrane replacement is appropriate for your Inver Grove Heights commercial building, the restoration project is an opportunity to upgrade to a more hail-resistant system:
80-mil TPO. Standard commercial specification is 60-mil TPO. Upgrading to 80-mil provides measurably improved impact resistance — the IBHS has documented significantly reduced puncture rates for 80-mil compared to 60-mil TPO under standardized hail testing. For Inver Grove Heights properties with documented hail exposure, 80-mil is the stronger specification.
Impact-resistant EPDM formulations. Carlisle and Firestone offer EPDM formulations with improved impact resistance compared to standard products. These formulations maintain the cold-temperature flexibility advantages of standard EPDM while providing better hail performance.
Class 4 TPO accessories. Even when using standard-specification TPO membrane, specifying impact-resistant roof accessories — curb flashings, pipe boot covers, parapet cap flashings — in stainless steel or heavy-gauge aluminum reduces the replacement frequency of these vulnerable components after future hail events.
Call (651) 703-2336 to discuss post-hail restoration options for your Inver Grove Heights commercial property. Sellers Roofing — 300+ commercial projects, MBE/DBE certified, all three union locals, same-day callback.
Extended Commercial Hail Reference for Inver Grove Heights Property Owners
The Insurance Claim Timeline for Inver Grove Heights Commercial Hail Losses
Understanding the timeline of a commercial hail claim helps Inver Grove Heights property owners manage their expectations and their responsibilities throughout the process.
Day 1 — Storm event. Document the date and time of the storm. Photograph any visible damage from ground level. Note any immediately visible indicators on soft metal components.
Day 1–3 — Initial notification. Notify your insurance carrier of a potential claim, even before a professional inspection is complete. Many policies have notification requirements that begin running from the date of loss, not the date of discovery.
Day 2–5 — Professional inspection. Call (651) 703-2336 for a Sellers Roofing same-day callback and schedule an on-site commercial inspection. Sellers completes the damage assessment and prepares the documentation package.
Week 1–3 — Claim filing. With Sellers’ documentation in hand, file the formal insurance claim. Sellers assists with the documentation package preparation.
Week 2–6 — Adjuster inspection. The insurance company schedules an adjuster to visit the property. Sellers attends this inspection and ensures all documented damage is seen and noted.
Week 3–8 — Initial estimate. The adjuster issues an initial estimate. Sellers reviews it against the damage documentation and identifies any missing items.
Week 4–10 — Supplemental claim. If items are missing from the initial estimate, Sellers prepares and submits a supplemental claim with supporting documentation.
Week 6–14 — Scope agreement. Once the insurance scope is agreed upon, restoration can proceed.
Week 8–20 — Restoration completion. Material procurement (1–3 weeks) and active restoration (3–8 working days for most Inver Grove Heights commercial buildings) complete the project.
High-Risk Components in Inver Grove Heights Commercial Buildings
Post-hail inspection of Inver Grove Heights commercial buildings should prioritize these high-risk components:
HVAC curb flashings. The metal curb frames that support rooftop HVAC units experience significant thermal movement and are subject to displacement in high-wind/hail events. Curb flashing failure is among the most common sources of commercial roof leaks and is regularly undervalued in initial insurance estimates.
Parapet cap flashing. Parapet cap flashing faces upward at a near-horizontal angle — a direct hail impact surface. Displacement, cracking, and delamination of parapet cap flashing after large hail events is extremely common and is consistently underpaid in initial adjustments.
Membrane seams near HVAC equipment. The combination of foot traffic during HVAC maintenance and the heat/vibration produced by HVAC units creates wear conditions at membrane areas near equipment curbs. Post-hail inspection should specifically assess membrane condition in these zones.
Internal drain rings. Cast iron or plastic drain rings at internal drains are vulnerable to hail impact and to freeze-thaw cycling. Cracked drain rings allow water infiltration at the drain-to-membrane interface. Replacement at the time of hail restoration prevents future drainage-related leaks.
Choosing the Right Membrane for Post-Hail Restoration in Inver Grove Heights
If post-hail assessment reveals that full membrane replacement is appropriate for your Inver Grove Heights commercial building, the restoration project is an opportunity to upgrade to a more hail-resistant system:
80-mil TPO. Standard commercial specification is 60-mil TPO. Upgrading to 80-mil provides measurably improved impact resistance — the IBHS has documented significantly reduced puncture rates for 80-mil compared to 60-mil TPO under standardized hail testing. For Inver Grove Heights properties with documented hail exposure, 80-mil is the stronger specification.
Impact-resistant EPDM formulations. Carlisle and Firestone offer EPDM formulations with improved impact resistance compared to standard products. These formulations maintain the cold-temperature flexibility advantages of standard EPDM while providing better hail performance.
Class 4 TPO accessories. Even when using standard-specification TPO membrane, specifying impact-resistant roof accessories — curb flashings, pipe boot covers, parapet cap flashings — in stainless steel or heavy-gauge aluminum reduces the replacement frequency of these vulnerable components after future hail events.
Call (651) 703-2336 to discuss post-hail restoration options for your Inver Grove Heights commercial property. Sellers Roofing — 300+ commercial projects, MBE/DBE certified, all three union locals, same-day callback.
Extended Commercial Hail Reference for Inver Grove Heights Property Owners
The Insurance Claim Timeline for Inver Grove Heights Commercial Hail Losses
Understanding the timeline of a commercial hail claim helps Inver Grove Heights property owners manage their expectations and their responsibilities throughout the process.
Day 1 — Storm event. Document the date and time of the storm. Photograph any visible damage from ground level. Note any immediately visible indicators on soft metal components.
Day 1–3 — Initial notification. Notify your insurance carrier of a potential claim, even before a professional inspection is complete. Many policies have notification requirements that begin running from the date of loss, not the date of discovery.
Day 2–5 — Professional inspection. Call (651) 703-2336 for a Sellers Roofing same-day callback and schedule an on-site commercial inspection. Sellers completes the damage assessment and prepares the documentation package.
Week 1–3 — Claim filing. With Sellers’ documentation in hand, file the formal insurance claim. Sellers assists with the documentation package preparation.
Week 2–6 — Adjuster inspection. The insurance company schedules an adjuster to visit the property. Sellers attends this inspection and ensures all documented damage is seen and noted.
Week 3–8 — Initial estimate. The adjuster issues an initial estimate. Sellers reviews it against the damage documentation and identifies any missing items.
Week 4–10 — Supplemental claim. If items are missing from the initial estimate, Sellers prepares and submits a supplemental claim with supporting documentation.
Week 6–14 — Scope agreement. Once the insurance scope is agreed upon, restoration can proceed.
Week 8–20 — Restoration completion. Material procurement (1–3 weeks) and active restoration (3–8 working days for most Inver Grove Heights commercial buildings) complete the project.
High-Risk Components in Inver Grove Heights Commercial Buildings
Post-hail inspection of Inver Grove Heights commercial buildings should prioritize these high-risk components:
HVAC curb flashings. The metal curb frames that support rooftop HVAC units experience significant thermal movement and are subject to displacement in high-wind/hail events. Curb flashing failure is among the most common sources of commercial roof leaks and is regularly undervalued in initial insurance estimates.
Parapet cap flashing. Parapet cap flashing faces upward at a near-horizontal angle — a direct hail impact surface. Displacement, cracking, and delamination of parapet cap flashing after large hail events is extremely common and is consistently underpaid in initial adjustments.
Membrane seams near HVAC equipment. The combination of foot traffic during HVAC maintenance and the heat/vibration produced by HVAC units creates wear conditions at membrane areas near equipment curbs. Post-hail inspection should specifically assess membrane condition in these zones.
Internal drain rings. Cast iron or plastic drain rings at internal drains are vulnerable to hail impact and to freeze-thaw cycling. Cracked drain rings allow water infiltration at the drain-to-membrane interface. Replacement at the time of hail restoration prevents future drainage-related leaks.
Choosing the Right Membrane for Post-Hail Restoration in Inver Grove Heights
If post-hail assessment reveals that full membrane replacement is appropriate for your Inver Grove Heights commercial building, the restoration project is an opportunity to upgrade to a more hail-resistant system:
80-mil TPO. Standard commercial specification is 60-mil TPO. Upgrading to 80-mil provides measurably improved impact resistance — the IBHS has documented significantly reduced puncture rates for 80-mil compared to 60-mil TPO under standardized hail testing. For Inver Grove Heights properties with documented hail exposure, 80-mil is the stronger specification.
Impact-resistant EPDM formulations. Carlisle and Firestone offer EPDM formulations with improved impact resistance compared to standard products. These formulations maintain the cold-temperature flexibility advantages of standard EPDM while providing better hail performance.
Class 4 TPO accessories. Even when using standard-specification TPO membrane, specifying impact-resistant roof accessories — curb flashings, pipe boot covers, parapet cap flashings — in stainless steel or heavy-gauge aluminum reduces the replacement frequency of these vulnerable components after future hail events.
Call (651) 703-2336 to discuss post-hail restoration options for your Inver Grove Heights commercial property. Sellers Roofing — 300+ commercial projects, MBE/DBE certified, all three union locals, same-day callback.
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.
