1-2-3 Plus Water Based Primer Stain Blocking For Interior And Exterior Surfaces White 1 Quart Go-To Primer That Dries In One Hour Sticks To Any Surface And Covers 350 To 400 Sq Ft Per Gallon Ready For Paint

1-2-3 Plus Water-Based Primer, White, Quart (11 oz)
✔️ Pack of 1, water-based primer blocks stains, dries in 1 hour

A water-based primer designed to seal porous surfaces and block water stains before painting. It's ideal for interior and exterior projects on walls, wood, drywall, and metal surfaces.

✅ Blocks water stains, tannin bleed, smoke and more
✅ Penetrates and seals porous surfaces
✅ Low-VOC and low odor
✅ Sticks to most surfaces
✅ Covers roughly 350-400 sq ft per gallon
✅ Color: White

💡 What is a water-based stain-blocking primer used for in interior exterior painting prep?

Primers like this handy product help prep surfaces for paint by sealing stains and improving adhesion.

- Seals water stains, tannin bleed, smoke, and other bleed-through to prevent staining through paint - Improves adhesion on multiple substrates like drywall, plaster, wood, and metal - Low-VOC formula keeps indoor air cleaner during projects - Dries quickly, allowing faster re-coats