KILZ Original Oil-Based Primer & Stain Blocker Review (2026)
By The DIYPicks Team · Updated July 2026
DIYPicks is reader-supported. As an Amazon Associate and affiliate of home-improvement retailers, we may earn a commission when you buy through links on our site — at no extra cost to you. This never affects our recommendations.
- Stains
- Odor blocking
- New wood
- Drywall
A low-cost oil-based workhorse for blocking common household stains and odors on interior surfaces.
Pros
- Strong stain blocker — water, smoke, tannin, ink, grease
- Seals porous surfaces and pet/smoke odors well
- Inexpensive per gallon
Cons
- Strong solvent odor; requires good ventilation
- Mineral-spirits cleanup, not water
- Interior-only and can yellow over time
Specifications
| Type | Oil-based |
|---|---|
| Recoat | 1 hr |
| Coverage | ~300-400 sq ft/gal |
| VOC | High |
| Cleanup | Mineral spirits |
| Use | Interior |