Extreme Block Waterbased Interior Primer Clear

Help keep topcoats stain-free and looking fresh with Extreme Block® Waterbased Interior Primer-Clear. Stain Locking Technology allows stains to be trapped in the first coat and seals stains from water, smoke, fire, knots and tannin bleed and remains transparent to preserve aesthetics. When stains exceed the capability of standard waterbased primers, professional painters trust Extreme Block® Waterbased to quickly restore properties to a fresh condition with minimal disruption to occupants.