Woodstikk PU Rapid Gel D4 has been formulated for high performance water-resistant bonds between a wide range of materials. The thixotropic nature of the gel prevents slumping and gives a level of gap filling to the bond. Woodstikk PU Rapid Gel D4 has excellent adhesion to wood, chipboard, polyurethane, mineral wool, concrete, stone, bricks, gypsum boards and all traditional porous substrates and van be used in a wide range of bonding applications. Woodstikk PU Rapid Gel D4 is ideal for all types of wood bonding and joinery, bonding wooden constructions, boats, jointing sandwich panels, and insulation as well as many other applications. 300ml cartridge (35 linear metre coverage)