K-Flex INSUL-LOCK® DS (double seal) is an NBR/PVC-based closed cell, flexible elastomeric foam insulation. It is pre-slit with a factory applied pressure sensitive modified acrylic adhesive with scrim reinforcement on the seam surface and a flexible PVC overlap tape with acrylic adhesive for doubled seam security. It is environmentally friendly as it is free of CFCs, HFCs, HCFCs, PBDEs, formaldehyde and fibers. An EPA registered antimicrobial agent is incorporated into the product providing additional protection against mold, fungal and bacterial growth. It is UL GREENGUARD® Gold certified for low VOC emissions. The products key physical properties are approved by factory Mutual.

K-Flex INSUL-LOCK® DS Flexible Elastomeric Foam Insulation, Pre-Slit Style, For Pipe Size: 1 in, 1-3/8 in Nominal, 1-3/8 in Inside Diameter, 3/8 in Wall Thickness, Double-Seal Construction, R-Value: R2.2, Density: 3 to 6 pcf, 0.245 W/mK Thermal Conductivity, -40 to 220 deg F, IPS Connection, NBR/PVC, Black, 6 ft Length, Domestic/Import: Domestic