STAUF VPU 155 S is a high-performance, fast-drying, solvent-free polyurethane primer designed for use on absorbent subfloors with residual moisture content of up to 3.5 CM%. This primer is ideal for prepping subfloors before filling work and direct bonding with reaction resin adhesives. It can also be used for bonding highly absorbent and insufficiently firm subfloors.
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