Torchdown Roofing Vs Membrane

These materials are classified as single ply roofing membranes.

Torchdown roofing vs membrane.

Discover the various components of a torch down roof and the materials used to manufacture it. Tpo short for thermoplastic polyolefin is a single ply thermoplastic roofing membrane that offers good overall performance and great energy efficiency for the money. As with all commercial roofing systems installation to specifications is key. This is a modified bitumen torch down rubber membrane that was installed over 20 yeas ago.

Torchdown membrane comes in smooth and granulated sheets. If your roof is situated in an area where punctures from sharp or falling objects like large branches are a concern it is advisable to select a thicker membrane. Torch down roofs are composed of two or more layers of a modified asphalt membrane applied with an open flame torch. Torch down rubber roof in stamford ct.

Quick facts and cost installed. The roof is still in good condition and has no need for replacement or repair. Torch down roofing is a popular type of flat roof system. The adjacent membrane overlaps are then heat welded with a hot air welder.

The most common type used for residential flat roofing is epdm ethylene propylene diene monomer a synthetic rubber sheet material that is also commonly used as a pond liner. It consists of multiple modified bitumen membranes applied with a propane torch. Plus learn the advantages and disadvantages of a torch down roof system. Membrane single ply roofing.

Torchdown can be used to re roof tear off the existing roof and install a new system or recover install a ply of torchdown over an existing roof. Modified bitumentorch down is by far the most durable roofing material. There are several types of membrane roofing materials including rubber and plastic formulations. Ruberoid torch smooth membrane is backed by gaf a company with over 130 years in the roofing business.

This image is a torch down rubber roof that was installed over 30 years ago. The thickness of tpo single ply membranes varies from about 40 to 80 mils. The membrane is fastened inside the seam overlap along one long side of the membrane directly into the roof deck. Tpo membranes are a newer product that made their initial appearance in 1990s but were plagued by performance issues.

All torchdown and hot tar roofs use an open flame process which creates exposure to fire damage. The membrane is available with a smooth surface. Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt. If you re trying to decide whether a torch down roof is right for you continue reading.

But torch down roofing isn t for everyone or every home.