The roof has to be properly prepared by cleaning off any loose debris and aggregate, and by making sure that it is completely free of moisture.
These foams are mainly used for designing spongy and cushioned products.
This composition rapidly cures, expands and hardens with the moisture in the air, Spray Polyurethane Foam, having only double component equivalents up until today, can be rapidly and easily applied by amateur users as well as the professionals, thanks to its single component version introduced.