KILZ Original Interior/Exterior Oil-Based Primer, Sealer & Stainblocker (5-Gallon)
Description
KILZ ORIGINAL Interior/Exterior Oil-Based Primer is a proven sealer and stain-blocking solution trusted for over 40 years, engineered to deliver reliable performance across diverse interior and exterior substrates. This fast-drying, oil-based formula blocks the most severe stains, including tannin bleed, graffiti, smoke, fire and water damage, while sealing persistent odors from pets, smoke and food. Designed as a superior undercoat, it provides excellent adhesion to wood, drywall, plaster, brick, masonry, stucco, interior siding, paneling, metal and properly prepared glossy surfaces, enhancing topcoat performance and durability. The formulation features deep penetration for bare wood and strong bonding to masonry and metal, ensuring consistent results on challenging surfaces. Compatible with both latex and oil-based topcoats, this 5-gallon format supports large-scale renovation, restoration and surface preparation projects requiring dependable stain control and odor sealing. Not recommended for floor applications.
Features
- Blocks severe stains including tannin bleed, graffiti, smoke, fire and water damage for reliable coverage
- Fast-drying oil-based formula accelerates project timelines and reduces waiting between coats
- Seals persistent pet, smoke and food odors for improved indoor air quality
- Excellent adhesion to wood, drywall, masonry, metal and properly prepared glossy surfaces
- Deep penetration on bare wood ensures strong bonding and enhanced topcoat performance
- Compatible with latex or oil-based topcoats for flexible finishing options
- 5-gallon format ideal for large renovation, restoration and commercial surface preparation projects
- Suitable for interior and exterior applications on demanding substrates