Tpo Vs Built Up Roof
The typical installation setup is on a fully adhered or mechanically attached system.
Tpo vs built up roof. 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. Let s look at both solutions. First let s define what a tar gravel or built up roof bur is.
The flexibility of the membrane makes it highly resistant to tears punctures and impact damage. Built up roofing the first layer can be adhered directly to the roof substrate. This is due in part to the fact that the top layer of the material is laminated. Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo.
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. There are 3 main types of flat roofing systems. A built up roofing system is installed by alternating layers of bitumen and reinforced fabric. 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.
Modified bitumen roof vs tpo. Tpo roofs are durable. 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. If needed a base sheet can be fastened to the roof to create a flat and safe work space.
Pros and cons of built up roofing and single ply roofing system. Tpo roofing is best known for its durability. Dean logan january 4 2018. This prevent leaks mold and rot all of which can weaken the roofing structure and cause costly damage.
Built up roofing systems have been in use in the u s. Built up roofs have been in use for over. It s capable of resisting dirt bacteria algae and even debris build up. Built up roofing can last for more than 40 years if properly installed and maintained well.
These roof systems are commonly referred to. Each system is designed to waterproof the roof and protect it from sun rain snow and more. Single ply membrane vs built up roofing infographic. Built up roof bur modified bitumen and single ply.
Some commercial and residential roofs use tar gravel or built up roof bur as a roofing solution. For over 100 years. This flexibility also allows for a building s movement and setting without compromising the roof s performance. Built up roofing bur better known by their street name of tar gravel roofs bur is just that.
Resisting dirt bacteria algae and debris build up.