FILL-RITE™ Construction Expansion Joint is a flexible, easy-to-install material for concrete expansion and isolation joints. Use the 1/4 inch x 4" 100 ft roll or our 1/2 inch x 4" 50 ft roll for all your concrete projects. Foam Expansion Joint is used to prevent cracks in concrete slabs, driveways and walkways. Featuring a flexible, durable design, this expansion joint is also lightweight and easy to install. All rolls are perforated to easily be used in 3 inch height applications.
IT IS PERFORATED SO IT CAN BE USED AS 3". Simply tear 1/2" off at top and bottom perforation.
R value is .625 on 1/4 in.
