The Sylglas waterproofing tapes are self-adhesive, flexible and used for general waterproofing and sealing jobs around the home and garden. Uses include:Sealing exposed glazing bars on conservatives, greenhouses and cold frames.Sealing and repairing gutters and down pipes.Waterproofing of insulation or pipe lagging. Protection of above ground metal and garden tools from corrosion.The Sylglas SYLWT50 waterproofing tape has the following dimensions:Size: 50mm wide4 metre roll