UltraSeal® PF-50 Extreme Weather Straw Foam is a low expansion, one-component polyurethane foam that is UL classified and designed to be used with a straw dispenser.  It is ideal for general sealing of gaps, holes and crevices in extreme temperature conditions all year round. UltraSeal® PF-50 is a foam system that can be used without a gun dispenser.

Features:

• Extreme climate foam, (-18C)
• A truly low expansion foam.
• Closed cell structure reduces unwanted air & insect infiltration.
• Helps reduce energy consumption.
• Freeze thaw stable.
• Reusable when stored properly.
• Blends in with well with dark environments / applications.