- Product Type:Tape
- Application Area:Manholes, Lap Joints, Box Culverts
- Features:No Shrinkage, Ease Of Use, Flexible, Excellent Multi-Substrate Adhesion
HS Butyl 0421 is a preformed butyl tape designed to create a permanent, flexible seal for caisson rings, box culverts, and manhole sections in accordance with BS EN 1917. It is easy to use, maintains flexibility, and does not shrink over time, ensuring a reliable seal in various construction and infrastructure applications.