BLOCK-IT^® Premium is a high-hiding, ultra-low VOC waterborne alkyd primer for use on a variety of previously painted or new interior and exterior surfaces. BLOCK-IT^® Premium is excellent for blocking stains from food and grease, water or smoke damage, ballpoint or felt pen ink, lipstick, crayon, and tannin from woods such as cedar or redwood. Its innovative formulation also provides excellent adhesion and enamel holdout, good sandability, low odor, and superior flow-and-leveling for easy brush and roller application.

• Excellent for stains such as food and grease, water or smoke damage, ballpoint or felt pen ink, lipstick and crayon, and tannin from woods
• Strong adhesion properties, exceptional enamel holdout and excellent sandability
• Contains advanced, waterborne alkyd technology, which allows for superior application and ease of use
• Very low odor and ultra-low VOC content