Stain Blocker is General Finishes’s revolutionary water-based white primer for interior projects. Stain Blocker can be used to protect finishes from stain, dye and wood tannin bleed-through. Use over an existing finish, raw wood or MDF. General Finishes Stain Blocker is designed for effectiveness with a sophisticated resin system and an atypical formulation. Use on pieces where you are concerned about bleed-through.
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For tips on using Stain Blocker, visit these blog posts: