Tpo Vs Built Up Roof

A built up roofing system is installed by alternating layers of bitumen and reinforced fabric.

Tpo vs built up roof. Tpo roofs are durable. Tpo roofing is best known for its durability. The flexibility of the membrane makes it highly resistant to tears punctures and impact damage. Some commercial and residential roofs use tar gravel or built up roof bur as a roofing solution.

This flexibility also allows for a building s movement and setting without compromising the roof s performance. Resisting dirt bacteria algae and debris build up. Built up roofing systems have been in use in the u s. Pros and cons of built up roofing and single ply roofing system.

This prevent leaks mold and rot all of which can weaken the roofing structure and cause costly damage. Modified bitumen roof vs tpo. This setup allows the white membrane to stay exposed throughout the roof s lifespan. Dean logan january 4 2018.

These roof systems are commonly referred to. Built up roof bur modified bitumen and single ply. The typical installation setup is on a fully adhered or mechanically attached system. Tpo compounds have changed in recent years so it is impossible to say how long current roofs will last but a general estimate puts a tpo roof between 10 and 20 years.

For over 100 years. Built up roofing can last for more than 40 years if properly installed and maintained well. Let s look at both solutions. Both solutions work on a little to no slope type of roof.

Note that tpo roofing employs a hot air gun to melt the membrane seams and stick them while epdm uses a seam tape for the purpose. It will usually cost between 3 50 to 7 50 per square foot for epdm and 3 50 to 6 50 per square foot for tpo including materials and labor warranty. If needed a base sheet can be fastened to the roof to create a flat and safe work space. Single ply membrane vs built up roofing infographic.

Built up roofing the first layer can be adhered directly to the roof substrate. First let s define what a tar gravel or built up roof bur is. Built up roofing can include up to four plies or more consisting of alternating layers of bitumen asphalt coal tar or other adhesive with a topping aggregate layer of gravel or other materials. Each system is designed to waterproof the roof and protect it from sun rain snow and more.

Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo. It s capable of resisting dirt bacteria algae and even debris build up. It s made up of 3 to 5 laminated layers hot tar and roofing felt. Modified bitumen roofing has been around since the 1970s when it was developed to.

This is due in part to the fact that the top layer of the material is laminated.