Each system is designed to waterproof the roof and protect it from sun rain snow and more.
Tpo vs built up roof.
Let s look at both solutions.
This setup allows the white membrane to stay exposed throughout the roof s lifespan.
If needed a base sheet can be fastened to the roof to create a flat and safe work space.
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.
Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo.
This is due in part to the fact that the top layer of the material is laminated.
Dean logan january 4 2018.
Resisting dirt bacteria algae and debris build up.
Tpo roofing is best known for its durability.
Some commercial and residential roofs use tar gravel or built up roof bur as a roofing solution.
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.
A built up roofing system is installed by alternating layers of bitumen and reinforced fabric.
Built up roofing bur better known by their street name of tar gravel roofs bur is just that.
This flexibility also allows for a building s movement and setting without compromising the roof s performance.
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.
Tpo roofs are durable.
Modified bitumen roof vs tpo.
It s capable of resisting dirt bacteria algae and even debris build up.
First let s define what a tar gravel or built up roof bur is.
For over 100 years.
Built up roofing the first layer can be adhered directly to the roof substrate.
These roof systems are commonly referred to.
Built up roofing can last for more than 40 years if properly installed and maintained well.
Pros and cons of built up roofing and single ply roofing system.
Single ply membrane vs built up roofing infographic.
Both solutions work on a little to no slope type of roof.
Built up roof bur modified bitumen and single ply.
Built up roofing systems have been in use in the u s.
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.
Built up roofs have been in use for over.
This prevent leaks mold and rot all of which can weaken the roofing structure and cause costly damage.
The typical installation setup is on a fully adhered or mechanically attached system.
There are 3 main types of flat roofing systems.