APEL Relief Valve Foam

Apel Relief Valve PU Foam is a one-component, moisture-curing filling and bonding material.

It can be used repeatedly thanks to its safety valve system that prevents clogging;
It differs from standard PU foams with its unique green color;
It cures with humidity, which accelerates the curing and provides a more rigid structure;
It has high stability. After curing, the door and window frames do not shrink, stretch or contract;
It can be shaved, cut, plastered, and painted. It is easy to apply and resistant to UV rays;