Torchdown Roofing Vs Membrane

As with all commercial roofing systems installation to specifications is key.

Torchdown roofing vs membrane.

Membrane single ply roofing. These materials are classified as single ply roofing membranes. The adjacent membrane overlaps are then heat welded with a hot air welder. This image is a torch down rubber roof that was installed over 30 years ago.

Tpo membranes are a newer product that made their initial appearance in 1990s but were plagued by performance issues. Every roofing system has its pro s and cons and techniques of installation. 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.

Discover the various components of a torch down roof and the materials used to manufacture it. Once a single ply torch down is coupled with a second layer modified bitumen membrane it becomes a two ply system that. Tpo short for thermoplastic polyolefin is a single ply thermoplastic roofing membrane that offers good overall performance and great energy efficiency for the money. Ruberoid torch smooth membrane is backed by gaf a company with over 130 years in the roofing business.

Torch down roofs are composed of two or more layers of a modified asphalt membrane applied with an open flame torch. But torch down roofing isn t for everyone or every home. Torch down rubber roof in stamford ct. Plus learn the advantages and disadvantages of a torch down roof system.

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. Torch down roofing is a popular type of flat roof system. The roof is still in good condition and has no need for replacement or repair. The granulated cap sheets come in many colors some of which are energy star rated and qualify for the federal tax credit.

All torchdown and hot tar roofs use an open flame process which creates exposure to fire damage. Torchdown membrane comes in smooth and granulated sheets. This is a modified bitumen torch down rubber membrane that was installed over 20 yeas ago. Modified bitumentorch down is by far the most durable roofing material.

If you re trying to decide whether a torch down roof is right for you continue reading. Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt. The membrane is fastened inside the seam overlap along one long side of the membrane directly into the roof deck. There are several types of membrane roofing materials including rubber and plastic formulations.

The thickness of tpo single ply membranes varies from about 40 to 80 mils.