An expert guide to Zinsser Gardz high performance sealer for plaster / drywall

Zinsser's Daren Rothwell presents an expert guide to Zinsser Gardz® our unique water-based sealer for porous and potential problem surfaces including plaster and drywall. Formulated to deeply penetrate and dry to a hard, moisture resistant film that seals and binds down porous, chalky and crumbling surfaces, paints and textured finishes.