TPO Membranes Spec Sheet

Firestone UltraPly TPO 60-mil: Commercial Specs & Wind Uplift Data

Published: 2026-05-01

Firestone UltraPly TPO is one of the most established TPO roofing membranes in the market, with over 30 years of field performance history. The 60-mil variant is specified for commercial low-slope roofing applications where long-term durability, energy efficiency, and proven wind uplift performance are required.

RhinoBond Induction Welding

A key differentiator for Firestone UltraPly is the RhinoBond induction welding system, which mechanically attaches the membrane to the substrate without penetrating it. An induction tool heats a coated steel plate positioned between the membrane and the insulation, fusing the TPO to the plate. Since there are no fastener penetrations through the membrane, the wind uplift rating is significantly higher — FM Class 1-165 for RhinoBond vs FM Class 1-105 for standard mechanically attached systems. This also eliminates potential leak paths at fastener locations.

Cool Roofing & Energy Performance

UltraPly TPO in white achieves a Solar Reflectance Index (SRI) exceeding 100, qualifying for LEED credits under the Sustainable Sites Heat Island Reduction credit and meeting California Title 24 cool roof requirements. For commercial buildings in cooling-dominated climates, a white TPO roof can reduce peak cooling energy demand by 10-15% compared to dark-colored roofing alternatives.

TPO Membranes Cost by City

CityInstalled Cost Range
Dallas TX$4.50-7.00/sq ft
San Antonio TX$4.25-6.75/sq ft
Houston TX$4.75-7.50/sq ft
Chicago IL$4.50-7.00/sq ft
Phoenix AZ$4.25-6.75/sq ft
Denver CO$4.75-7.25/sq ft
Atlanta GA$4.25-6.75/sq ft

Costs include materials + labor for commercial installation. Prices vary by building size, access, and local labor rates.

🛡️ Roof Insurance Claim Process (Step-by-Step)

  1. Document the Damage — Take photos/video of all damage from multiple angles before any tarps or temporary repairs. Include close-ups of impact marks, granule loss, and membrane punctures.
  2. Prevent Further Damage — Install emergency tarp or temporary seal. Most policies require you to mitigate further damage. Keep receipts for emergency repairs — they are reimbursable.
  3. File the Claim Promptly — Contact your insurance carrier within 24-72 hours. Provide: date of loss, type of damage (wind/hail/other), photos, and a rough estimate if available.
  4. Schedule Adjuster Inspection — The carrier sends a claims adjuster. Have your roofing contractor present during inspection — they can point out damage the adjuster might miss, especially on membrane seams and flashings.
  5. Get Contractor Estimates — Obtain 2-3 estimates from licensed roofing contractors who work with insurance claims. Ensure estimates use Xactimate pricing (industry-standard insurance estimating software).
  6. Review the Adjuster Report — Compare the adjuster's scope of work with your contractor's estimate. Common disputes: matching undamaged adjacent slopes, code upgrades (building code may require upgrades the adjuster didn't include), and overhead & profit calculation.
  7. Negotiate if Necessary — If the adjuster's estimate is lower than your contractor's, submit a "supplement" with additional documentation. You have the right to use a public adjuster (typically 10% of claim) if negotiations stall.
  8. Approve and Schedule — Once you agree on scope and price, the carrier issues an Actual Cash Value (ACV) payment. After replacement, submit the final invoice for the Recoverable Depreciation (RCV - ACV = depreciation held back until work is complete).
Key Tip: Never sign an "Assignment of Benefits" (AOB) form without reviewing with an attorney — AOB gives the contractor direct access to your insurance payout and can lead to inflated claims and litigation.

📅 Roofing Season Calendar by Region

Plan your roofing project for optimal weather windows. Off-season installs may require special procedures and cost 10-20% more.

CityClimate ZoneRoofing Season
Dallas TX2A (Hot-Humid)March-November (peak: April-June, September-October)
San Antonio TX2A (Hot-Humid)March-November (peak: April-June, September-October)
Houston TX2A (Hot-Humid)Year-round (avoid peak hurricane season June-November for major projects)
Chicago IL5A (Cold-Humid)April-October (peak: June-August). Winter installs require special adhesive and heat sources.
Phoenix AZ1B (Very Hot-Dry)Year-round (avoid July-August peak heat for worker safety). Peak season: October-April.
Denver CO4B (Mixed-Dry)April-October (peak: June-August). Hail damage repairs spike June-July.
Atlanta GA3A (Warm-Humid)March-November (peak: May-July, September-October)
🛡️ Insurance & Compliance Advisory

Firestone UltraPly TPO achieves some of the highest FM Global wind uplift ratings in the single-ply category (up to 1-165 with the RhinoBond induction welding system). This is significant for coastal and high-wind zone commercial properties. For hail claims, note that Firestone's 60-mil product carries a Class 4 Hail Impact Rating when tested to UL 2218 standards. Adjusters should verify that the specific attachment method matches the FM rating — induction-welded systems achieve higher ratings than mechanically attached systems for the same membrane thickness.

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Equivalent Products & Cross-References

Equivalent / Alternate ProductAction
Carlisle Sure-Weld TPO 60-mil
GAF EverGuard TPO 60-mil
Equivalent products listed for cross-reference purposes. Always verify specs with manufacturer datasheets.

🏗️ Roofing Yield & Cost Estimator

Calculate total squares needed and estimated material cost for your commercial roofing project. All calculations run locally in your browser.

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Frequently Asked Questions

What is the difference between RhinoBond and traditional mechanical attachment?

RhinoBond uses induction welding to fuse the TPO membrane to coated steel plates secured to the roof deck — the membrane itself is never penetrated by fasteners. Traditional mechanical attachment drives fasteners through the membrane into the deck, creating potential leak paths at each fastener location. RhinoBond achieves higher wind uplift ratings (up to FM 1-165) because the load is distributed across the entire welded plate area rather than concentrated at individual fastener penetrations.

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References & Industry Standards

  • ASTM International. Standard Specifications for Single-Ply Roofing Membranes. astm.org
  • FM Approvals. Factory Mutual Roofing Assembly Standards. fmapprovals.com
  • UL LLC. Fire Classification of Roofing Materials. ul.com
  • NRCA. The NRCA Roofing Manual. nrca.net