Stain Blocker

General Finishes

Regular price $41.67

General Finishes Water Based Stain Blocker / Quart

Stain Blocker is General Finishes's revolutionary water-based white primer for interior projects. Stain Blocker can be used to protect pigmented finishes from stain, dye and wood tannin bleed-through. Use over an existing finish, raw wood or MDF as a base coat for light colored General Finishes Milk Paint, Chalk Style Paint and Pigmented Polys.

General Finishes Stain Blocker is designed for effectiveness, not price point. A successful primer requires a sophisticated resin system and an atypical formulation. Use on pieces where you are concerned about bleed-through. 

WARNING: This product can expose you to chemicals including Titanium Dioxide, Crystalline Silica and Respirable Powder, which are known to the State of California to cause cancer. For more information go to

Here for more information about Specifications and Application Instructions.