Insul-Joint is a closed cell (non-crosslink) polyethylene expansion joint filler designed to prevent cracks and breaks during concrete expansion and contraction. Insul-Joint can be used in all standard concrete construction, such as floor slabs, driveways, sidewalks, parking garages, highways and runways. Insul-Joint is extruded from high quality closed cell polyethylene foam. Technical Specification: ASTM D 4819 Standard Specification for Flexible Cellular Materials Made From Polyolefin Plastics. ASTM D 545 Standard Test Methods for Preformed Expansion Joint Fillers for Concrete Construction (Nonextruding and Resilient Types). ASTM D 3575 Standard Test Methods for Flexible Cellular Materials Made From Olefin Polymers.
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