High Strength Adhesive Duct Tape. 50mm wide x 50 metre long rolls.Available in Black or White for connecting rectangular/square ducts to air bricks or round Conservation/Cellar vent grilles to round ducts or other white plastic ducting.Plastic/cloth weave duct tape suitable for professional use that is tearable by hand making it ideal for ducting installations. Gives good durability and flex and is resistant to water.Can be used to tape together air brick and duct combinations prior to mortaring in.Warning – This duct tape is designed to permanently connect building products and is not suitable for temporary use as it will leave a residue .
