PVA Adhesive & Sealer A high solids, high performance sealer, primer, dust-proofer and bonding agent. Improves adhesion and reduces cracking in cements and plaster.
What's the Difference: Is PVA, polyurethane, or CA glue right for my project? - Fine Homebuilding
PVA Adhesive Uses Including Sealing and Waterproofing | DIY Doctor