PVC Roof Systems in Orlando, FL

Florida Building Code wind-uplift requirements apply to PVC systems the same as to any single-ply membrane. PVC is typically specified as fully adhered, which is a stronger attachment method at perimeter and corner zones — important in Orlando's FBC Wind Zone II exposure where edge-lift failure is the most common wind-induced failure mode.

TPO membrane begins degrading at areas of concentrated grease exhaust within 3-5 years in typical restaurant applications. The degradation shows as seam separation near hood vent penetrations, surface cracking at membrane areas directly in the exhaust plume, and adhesion loss at the membrane-to-flashing bond around penetrations. This is not a warranty failure the manufacturer covers — it falls into the chemical exposure exclusion in most TPO warranty agreements.

PVC's plasticizers give it a fundamental chemical resistance that TPO does not share. PVC seams are heat-welded the same as TPO, and a properly heat-welded PVC seam is as strong as or stronger than a TPO seam — but PVC holds its seam integrity in the presence of grease and oil exposure. For a restaurant building on International Drive or Sand Lake Road where the hood vent discharges within 10 feet of a seam, PVC is not optional. It is the only single-ply membrane that performs as warranted in that environment.

We specify PVC on any building where food service is a primary tenant use, where kitchen exhaust is a rooftop presence, or where the tenant mix includes dry cleaners, auto service, or other chemical-exposure uses. On mixed-use buildings where restaurant occupies part of the footprint, we zone the PVC to the restaurant section and can transition to TPO on the non-exposure areas to manage cost.

PVC systems carry 25-year manufacturer warranties from Sika Sarnafil, Duro-Last, and others — longer than typical 60-mil TPO on the same installation. The Florida Product Approval documentation for PVC systems includes wind-uplift test data submitted to the Florida Building Commission under the approval process. We specify PVC with Florida Product Approval numbers confirmed for the building's location and attachment method before the project starts.

Fully adhered PVC is the standard for most restaurant and hospitality applications in Orlando. Full adhesion distributes wind load across the roof's entire surface rather than concentrating it at discrete fastener points — which matters at perimeter and corner zones in FBC Wind Zone II. For buildings where the deck substrate is compatible with adhesive installation, fully adhered PVC is both the best-performing and most-warranted attachment method.

International Drive hotel properties under franchise agreements often specify the roofing system manufacturer and minimum warranty term as part of the franchise capital improvement standards. We are familiar with the documentation requirements that Marriott, Hilton, and independent flag franchise standards impose and can produce the closeout documentation — Florida Product Approval numbers, manufacturer warranty certificate, permit final inspection documentation — that franchise compliance requires.

Yes, typically 10-20% more in material cost per square. The premium is warranted when the building has chemical exposure that makes TPO an incorrect specification — the cost of a TPO seam failure and re-installation in a restaurant environment over a 10-year period exceeds the PVC premium by a significant margin. For buildings without chemical exposure, TPO is the better cost decision.

A recover over existing single-ply is possible if the existing insulation is dry and the deck is sound. We pull moisture cores before recommending any recover path. PVC adhesive over an existing membrane requires a compatible substrate — we confirm material compatibility before specifying a recover installation. In most restaurant applications with a chemically degraded existing membrane, full tear-off is the more defensible scope.

Yes. PVC's white reflective surface handles Florida's solar load and qualifies as a cool roof under Florida Building Code Energy. The plasticizers in PVC can migrate out of the membrane over very long time horizons in extreme heat, which reduces flexibility — but a 25-year warranty covers the period where this is a concern, and manufacturers engineer current PVC formulations for southern U.S. thermal conditions.

Hood vents, exhaust fans, grease traps, and kitchen equipment on or adjacent to the rooftop are the primary indicators. Chemical storage near the building, dry-cleaning or auto-service tenants, and rooftop equipment with oil or refrigerant exposure are secondary indicators. On any mixed-use building, we walk the roof and identify the exhaust and chemical exposure zones before specifying membrane type.

We will assess the rooftop exhaust and chemical exposure environment and specify the correct membrane system — PVC where it is needed, TPO where it is appropriate — with FBC compliance documentation and manufacturer warranty.