STAUF PUK 446
3Pages

STAUF PUK 446 Hard 2-component polyurethane wood flooring adhesive according to ISO 17178 Technical Datasheet Product number Special features long processing time hard elastic, reducing tension universal use high shear strength very good thread formation can be applied to almost all substrate without primers coloured version for dark timber types available (SPU-460 E) vertical finger parquet lamellas, according to DIN EN 14761 solid lamparquet products according to DIN EN 13227 solid planks multiple layer wood flooring according to DIN EN 13489 mosaic parquet according to DIN EN 13488 wood strip flooring according to DIN EN 13226 Suitable subfloors sanded mastic asphalt screed concrete C 25 / 30 according to DIN 1045 (non-skid surface) calcium sulphate (flow) floors wooden planks, wood fibre boards STAUF levelling compounds for wood flooring chipboards (P4 to P7), OSB boards (OSB/2 to OSB/4) cement floors Suitable primers STAUF VDP 130 STAUF VPU 155 S STAUF VDP 160 STAUF VEP 195 STAUF WEP 180 Suitable levelling compounds STAUF XP 20 STAUF FZ STAUF RM STAUF PU STAUF SSP RAPID

^ STAUF Decoupling/stress relief board EXAMINATION OF SUBFLOOR Prior to processing, the subfloor must be checked according to the standard DIN 18356 or corresponding national standards. The subfloor shall be resistant to pressure and tension, free of cracks, must have sufficient surface strength, be permanently dry, level, clean and free of from contaminants that may prevent adhesion, sinter layers etc. In addition, porosity and grip of surface need to be checked. Also check moisture content and absorption of subfloors as well as temperature, air humidity and subfloor temperature.

SUBFLOOR PREPARATION It must be ensured that the subfloor is ready for installation by performing proper subfloor preparation, floors must be clean, have sufficient surface strength, must be level, permanently dry and free of cracks. A mechanical pretreatment of the subfloor (sweeping, vacuuming, mechanical brushing, sanding, milling, shot blasting) must be performed depending on type and condition of subfloor. Cracks and joints, except expansion joints and other construction joints, shall be solidly closed with STAUF repair resin and floor brackets. Cavities and indentations can be filled...