Backstop Flash & Fill is a flexible, waterproof material designed to fill sheathing joints, protect rough openings and act as a transition membrane. Backstop Flash & Fill is vapor permeable and eliminates air infiltration for above grade construction.

Features

• Gun applied, no mesh required
• Will not trap moisture vapor
• Eliminates additional product needs
• No mixing required
• Quick application
• Vapor permeable
• Fills sheathing joints up to 1/2”
• One component material

20 oz sausage