Types of spray foam
Open Cell Spray Foam
Great acoustic qualities and very good thermal values. As the name suggests, it expands at a rate of 1:100 times its volume and allows water vapour to pass through. Open cell foam is generally used in attic, under floor and roof insulation where water vapour needs to exit the structure.
Spray Foam Insulation Perth is the only business in WA using BCA certified and approved open cell foam.
Closed Cell Spray Foam
Expands at a rate of 1:25 times its volume and is more compact and rigid. Typically used for all commercial applications, such as warehousing, workshops, men sheds and concrete applications.
It is also used in roof applications (internal or external), encapsulates asbestos fibers, stops condensation and stops vermin.
There are various densities of closed cell foam, a standard closed cell foam is 35kgsm3, where exterior roofing foam is 50kgm3.
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