Structure of a Foam Roof
Re-coating the Foam roof for renewability
A great advantage of a Foam roof is that it can be renewed by recoating the roof instead of replacing it like other roof systems. The time when a roof has to be recoated is between 10 to 15 years after the Foam application.
This time can be extended by increasing the thickness of the elastomeric coating system during the initial foam application. The addition of mineral granules on the top pass of the elastomeric coating system further increases the life of the coating system.
The elastomeric coating protects the foam from the sun’s ultra-violet radiation which is the wearing component of the Foam system. When you see the elastomeric coating beginning to wear thin, it will need to be recoated but the foam does not need to be replaced.
With proper recoating periods and maintenance, a Foam roof will last the rest of the life of the building.
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