Penetrating Roof Membrane

White thermoplastics come in various widths from 3 ft to12 ft wide rolls that are rolled over the cover board and mechanically fastened along their edge.

Penetrating roof membrane.

Penetrations are often required in cold roofs to ensure the continuous circulation of air between the underside of the deck and insulation layer. Roof underlayment for asphalt shingle roofs provides guidance on improving the performance of roof systems by augmenting underlayment installations. There is also increasing demand for mechanically fixed photovoltaic arrays particularly on large commercial projects. Potato there could be other places where a shaft or fire damper is required but the op just asked about the roof membrane which can be penetrated without protection.

You could the roof but have fire dampers at the ceiling penetrations if it was a fire rated horizontal assembly. Roof membranes discussed in this article include built up asphalt tar and gravel modified bitumen and single ply membranes like epdm pvc tpo and kee. A welding tab is included to seal the penetration pan once installed. Smooth tpo fleece back tpo self adhered tpo tpo colors extreme tpo.

Roof barrier to reduce water penetration in the event that the primary roof is damaged by wind or windborne debris see figure 8 3. For use with jm epdm pvc pourable sealer. Fema 499 technical fact sheet no. We also cover spray applied foam and liquid roofing options.

Membrane penetration firestop system an assemblage consisting of a fire resistance rated floor ceiling roof ceiling or wall assembly one or more penetrating items installed into or passing through the breach in one side of the assembly and the materials or devices or both installed to resist the spread of fire into the assembly for a prescribed period of time. Sikaplan is a cost competitive single ply pvc roofing membrane designed for low slope roofing applications. Membrane roofing is often used on commercial flat roofs. Unlike sarnafil which is formulated to perform above and beyond the industry standard sikaplan is formulated to the industry standard like the rest of the thermoplastic roofing membranes on the market.

The top layer of a roofing system is the waterproofing cover. The kattsafe gr34 non penetrating guardrail system provides the highest level of passive safety for membrane and built up roof systems. The most common roofing membrane materials include white thermoplastics pvc or tpo and black rubber epdm. The penetration pan is slit on one side to allow for positioning around objects to be flashed.