How Much Does Sarnafil S 327 PVC 60-mil Cost? (2026 Pricing & Specs)
Published: 2026-06-11
Sarnafil S 327 is the benchmark PVC roofing membrane for chemical-resistant commercial roofing applications. PVC (polyvinyl chloride) has a fundamental chemical advantage over TPO and EPDM: it's inherently resistant to animal fats, cooking oils, industrial solvents, and acidic exhaust — the compounds that degrade TPO membranes through plasticizer migration and cause EPDM to swell and delaminate. For any roof within 50 feet of a restaurant kitchen exhaust, PVC is the only correct spec among single-ply membranes.
PVC's fire rating is also superior. The chlorine in PVC makes it self-extinguishing — when the flame source is removed, PVC stops burning. TPO requires fire-retardant additives; PVC has fire resistance built into the polymer backbone. For buildings where fire code compliance is critical (hospitals, schools, high-rises), this matters.
🛡️ Roof Insurance Claim Process (Step-by-Step)
- 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.
- 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.
- 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.
- 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.
- 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).
- 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.
- 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.
- 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).
📅 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.
| City | Climate Zone | Roofing Season |
|---|---|---|
| Dallas TX | 2A (Hot-Humid) | March-November (peak: April-June, September-October) |
| San Antonio TX | 2A (Hot-Humid) | March-November (peak: April-June, September-October) |
| Houston TX | 2A (Hot-Humid) | Year-round (avoid peak hurricane season June-November for major projects) |
| Chicago IL | 5A (Cold-Humid) | April-October (peak: June-August). Winter installs require special adhesive and heat sources. |
| Phoenix AZ | 1B (Very Hot-Dry) | Year-round (avoid July-August peak heat for worker safety). Peak season: October-April. |
| Denver CO | 4B (Mixed-Dry) | April-October (peak: June-August). Hail damage repairs spike June-July. |
| Atlanta GA | 3A (Warm-Humid) | March-November (peak: May-July, September-October) |
Other PVC Membranes Products
- How Much Does IB Roof PVC 80-mil Cost? (2026 Pricing & Specs)
- FiberTite KEE PVC 60-mil: Ketone Ethylene Ester Technology for Long-Term Plasticizer Retention
- Duro-Last PVC 50-mil: Custom-Fabricated Membrane System — Seam Reduction & Leak Prevention
- Johns Manville PVC 60 mil: Chemical-Resistant Single-Ply for Restaurant & Industrial Roofs
- Sika Sarnafil S327 PVC 80 mil: Heavy-Duty Single-Ply for Restaurant & Industrial Roofs
- Sarnafil S 327 PVC 80-mil: Chemical-Resistant Roofing for Industrial Facilities
🛡️ Insurance & Compliance AdvisoryPVC is the spec for restaurant, food processing, and industrial roofs where grease, animal fats, or chemical exhaust degrade TPO and EPDM. Insurance carriers may require PVC in high-chemical-exposure roof zones. Adjusters: if a TPO roof failed prematurely near a restaurant kitchen exhaust, check whether PVC should have been spec'd — TPO is not rated for animal fat exposure.
Need a roofer you can trust? Spec sheets tell you what to buy. A pro tells you what it costs installed — in your city, with your building's specific requirements. See real quotes from local contractors who know this material.
Compare Roofing Quotes →Affiliate disclosure: We may earn a commission if you request quotes through this link.
Equivalent Products & Cross-References
| Equivalent / Alternate Product | Action |
|---|---|
| Sika Sarnafil G 410 PVC | |
| IB Roof Systems PVC 60-mil | |
| Flex PVC 60-mil |
🏗️ Roofing Yield & Cost Estimator
Calculate total squares needed and estimated material cost for your commercial roofing project. All calculations run locally in your browser.
Frequently Asked Questions
When should I spec PVC instead of TPO or EPDM?
Spec PVC when the roof will be exposed to: restaurant kitchen exhaust, industrial chemical emissions, animal fat or grease, solvent vapors, or salt spray. Also spec PVC when fire code compliance is the top priority — PVC's inherent self-extinguishing properties surpass TPO and EPDM. For standard commercial roofs without chemical exposure, TPO or EPDM are usually more cost-effective.
Is PVC more expensive than TPO?
Yes, approximately $0.50-1.50/sf more than TPO for material, and installation requires hot-air welding at higher temperatures (PVC welds at 500-550°C vs TPO at 400-450°C), which slightly increases labor time. But in environments where TPO would fail prematurely, PVC is cheaper over the roof's lifecycle.
Related Roofing Materials
How Much Does IB Roof PVC 80-mil Cost? (2026 Pricing & Specs)
IB Roof 80-mil PVC is the top-spec single-ply membrane for the harshest industrial roofing environments. The extra...
FiberTite KEE PVC 60-mil: Ketone Ethylene Ester...
FiberTite by Seaman Corporation is the premium KEE (Ketone Ethylene Ester) PVC roofing membrane. The technology...
Duro-Last PVC 50-mil: Custom-Fabricated Membrane System...
Duro-Last is not just another PVC membrane — it's an entirely different installation paradigm. Conventional...
Johns Manville PVC 60 mil: Chemical-Resistant Single-Ply...
Johns Manville PVC 60 mil is the specification of choice for commercial roofs exposed to grease, chemicals, jet...
Sika Sarnafil S327 PVC 80 mil: Heavy-Duty Single-Ply for...
Sika Sarnafil S327 is the premium PVC roofing membrane specification for roofs requiring chemical resistance, fire...
Sarnafil S 327 PVC 80-mil: Chemical-Resistant Roofing...
Sika Sarnafil S 327 is the reference standard for PVC roofing membranes in chemically aggressive environments:...
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