WHEN YOU NEED THE STAIN-BLOCKING PERFORMANCE OF AN OIL-BASED PRIMERWITHOUT ANY SOLVENT ODORCHOOSE RUST-OLEUM® ZINSSER® ODORLESS OIL-BASE STAIN BLOCKER. THIS LOW-VOC PRIMER IS SPECIFICALLY DESIGNED TO SEAL TOUGH STAINS IN INDOOR AREAS WHERE PEOPLE ARE PRESENT. SEALS STAINS FROM WATER, FIRE AND SMOKE DAMAGE. OIL-BASE PERFORMANCE WHEN ODOR IS A CONCERN. NON-YELLOWING, DRIES FLAT, SANDS EASILY. USE WITH ALL TOPCOATS. VOC COMPLIANT SPRAYABLE FORMULA. ALLOW TO DRY TWO HOURS BEFORE NEXT COAT.