PRO PA-21 is a highly concentrated acrylic additive and primer. Mix with PRO PATCH and PRO PATCH NM in lieu of water to obtain superior bond strengths, flexibility and working time. Use as an additive to prime over plywood and porous concrete. PRO PA-21, as a primer, can be applied with a nap roller, a broom or simply sprayed on.
AVAILABLE ONLY IN THE USA.
- Use as an additive with PRO PATCH and PRO PATCH NM to obtain superior bond strength, flexibility and working time
- Use as an additive to install over cutback and adhesive residues
- Use as a primer over porous concrete for reducing floor porosity
- Use as a primer over plywood
- For interior institutional, commercial and residential applications
- Contributes to LEED® objectives and requirements