Get an instant vendor neutral estimate of built up roof options and costs in your zip code our cost guide has been updated for 2020 to reflect current fair wages and material option costs for built up roofing.
Cost of 4 ply built up roofing systems.
Asphalt roll roofing usually costs about 150 to 400 per square.
Cost single ply membrane roofing for an average 20 000 sq.
Get fair costs for your specific project requirements.
For an average commercial roof it will usually cost between per 5 50 8 50 square foot in materials and labor to install a typical built up roofing system.
5 to 8 installation cost.
3 50 to 6 50 per square foot.
A 4 ply roofing system involves roofing felts that are typically four plies composed of layers of reinforcement such as fiberglass or polyester felts with each ply being embedded in a full bed of hot asphalt bitumen.
Typically the cheapest covering is asphalt shingle.
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This price range can change depending on the materials you choose.
Overall repairing a simple leak in a single ply membrane requires patching and sealing the surface and costs 300 500.
Spray polyurethane foam roofs cost about 300 to 500 per square.
Fixing up multiple leaks can cost 1 000 2 000 depending on the scope of.
Cost of single ply membrane roofing.
According to 2019 roofing estimates the installation cost of a built up roof is as follows.
See typical tasks and time to install built up roofing along with per unit costs and material requirements.
The bitumen provides the adhesive and waterproofing membrane while the felts provide the membrane reinforcement and the surfacing.
Single ply flat roofing costs about 150 to 400 per square.
Additional options include slate or wood shingles however some of these materials can be expensive.
Built up roofs cost anywhere from 200 to 700 per square.
Here is an infographic to compare single ply membrane and built up roofing systems.
Typical cost for built up bituminous flat roof replacement.
Material cost per square foot.
Flat metal roofs usually cost 500 to 1 000 per square.
Foot commercial roof 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.
Also there are a lot fewer flat roofing pros that really know how to repair built up roofing in a way that actually eliminates the source of the leak.
The cost to install built up roofing starts at 5 31 6 63 per square foot but can vary significantly with site conditions and options.