Airtight Tape for Lap Joints It is specifically designed for the sealing of lapped parts, capable of effectively preventing air infiltration, ensuring the airtightness of the sealed area and reducing energy loss. Available Dimension:Width:2.36 inch (60 mm)Length:131.23 ft (40 m) Customization Arkint Tech is a R&D Type factory, welcome customers to work with us to develop your new products.