Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.
Flat roof materials residential.
Spray polyurethane foam spf 4.
Pvc roofs are especially strong and durable featuring a minimum breaking point of 300 pounds per inch compared to the industry recommended 200 ppi.
Pvc is 1 90 per sq foot.
Just enough slope to drain water but also flat enough to be a problem if not constructed properly.
Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board.
From there the flat roof system you choose will determine the materials you apply.
Door seals window seals trunk seals and sometimes hood seals the synthetic rubber is also used for flat roofs.
Epdm rubber ethylene propylene diene monomer a common use is in vehicles.
There are mainly three types of flat roof materials commonly used for flat roofs.
Smucker contracting we offer a 20 year warranty on new pvc roofing we install.
Green roof system 6.
There are generally 5 to 6 different routes to take regarding the materials needed for roofing a flat surface.
Modified bitumen and rolled asphalt roofs cost 1 30 2 20 per sq foot depending on the number of plies.
Pvc single ply membrane arguably the most popular of all flat roofing materials some contractors even install only pvc membranes for higher end residential installations pvc membranes are a single layer of thermoplastic material.
This video explain the three commonly flat roof materials used.
Thermoplastic polyolefin tpo 3.
Tpo is 1 70 per sq foot.
Pvc roofing is one of the best flat roof materials because it is low maintenance with a long lifespan.
Epdm is 1 50 per sq foot making it the cheapest single ply membrane.
In addition just like tpo roofing pvc is a reflective white color which is useful as it dramatically lowers the business s energy bills.
In general materials used on flat roofs cost less than ones used on sloped ones.