Recoating Flat Roof Foam Vs Rubber
A lifespan of an un coated flat roof is around 10 years but coating it every five years or so can extend this enormously.
Recoating flat roof foam vs rubber. Part of a polyurethane foam roof is the topcoat usually a silicone membrane. While foam roofs can last 25 years periodic recoating will keep your roof in good repair and let you enjoy all the benefits of an effective and energy efficient foam roof system. It is a membrane type rubber used for flat roofs. Foot commercial roof it will usually cost between 4 00 and 7 00 per square foot in materials and labor to install a typical spf roofing system.
Foam roofs should be recoated every 5 10 years depending on the quantity and quality of coating previously installed. 1 you will want to recoat your foam roof if you live in the phoenix area in late march april may early june october and early november. Even more so than other roofs flat roofs require maintenance in order to last. Rubber epdm roof stands for ethylene propylene diene monomer.
This maintenance typically comes in the form of coating the flat roof. Spray polyurethane foam spf roofing. We re assuming your flat rooms has protective foam sealant since about 90 of arizona s flat roofs are protected by spray polyurethane foam. For an average 20 000 sq.
To help your flat roof last for 25 years it s important to recoat your foam roof every 5 to 10 years since the sun s ultraviolet rays eventually wear down the protective covering. Recoating your foam roof will cost about 25 of the original cost. A second recoat is generally necessary only 25 years after the roof s installation. Polyurethane foam roof coating spf polyurethane foam roofs are one the best options for flat roofs.
If small holes to the foam roof occur because of equipment or damage from people walking on it you can usually calk it to prevent it from spreading. Having said that fiberglass rv roofs require less maintenance than. Cost of a spray polyurethane foam roofing. And then applying another layer of u v.
Recoating consists of cleaning the existing roof surface checking all of the detail work touching up an surface breaks in the coating etc. You don t want it to be too cold below 65 degrees or your foam roof coating will not set up properly and can also freeze. This price range is for an spf roof of average thickness and building structure. Fiberglass this type of rv roof is hard to the touch and is a bit more rare than a rubber rv roof because the material adds cost and weight to the rv.
Recoating will rarely fix a leak in a foam roof. The coating is there to protect the underlying foam from sunburn which would gradually break.