The universal wedi 320 thin-bed mortar based on a hydraulic binding agent is ideal for fixing and laying wedi building boards as well as wall and floor tiles in interior as well as external areas. It is waterproof and frost-resistant and available in a 25kg bag. Consumption 4 x 4mm grooves: ca 1.3kg/m2 6 x 6mm grooves: ca 2.2kg/m2 8 x 8mm grooves: ca 2.8kg/m2 * guideline only will depend on individual usage*