Special characteristics PU Construct Extra Fast is a one-component, solvent-free, ready-to-use, universal polyurethane-based construction adhesive with extremely high final strength. Rapid strength development and deep curing when moistened and clamped. Suitable for indoor and outdoor use. Professional quality Apply with a caulking gun Rapid strength development Filling capacity (foaming), suitable for bonding uneven surfaces Foaming effect is achieved by light moistening, which also accelerates the curing process Clamping increases the final strength Waterproof D4 Solvent-free For indoor and outdoor applications Paintable with most paint systems Applications Indoor applications where the bonds are exposed to high humidity for extended periods. Outdoor applications where the bonds are exposed to direct weather influences. Bonding of windows and doors (including corner joints) that must meet class D4 according to EN204. Bonding of wooden structural elements. Bonding of insulation materials (including polystyrene). Included as standard PU Construct Extra Fast (D4) 310ml