For waterproof (D4). transparent (surface) bonding of virtually all types of wood among themselves and on many building materials such as plaster. (natural) stone. (gas) concrete. metal. rigid foam and various plastics. Applicable for non-load-bearing wood constructions by means of various wood connections. such as mortise and tenon joints. dowels and springs. Suitable for interior and exterior applications such as joinery and sandwich panels. Very suitable for less suitable joints (e.g. unplaned wood). Ideal for both vertical and horizontal applications. D4: Indoor areas. where passing water or condensation occurs regularly for long periods of time. Outdoor areas exposed to weather influences. where adequate protection of the glued wood is present.