KILZ Exterior Siding, Fence & Barn Paint 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.
- Old, gray, weathered fences that need hiding
- Barns, sheds, and rustic board fences
- Solid opaque color at a low price
- One product coverage over mixed or repaired boards
A budget opaque latex made for barns, sheds, and tired fences: its flat film hides gray weathering, patched boards, and color mismatches for very little money and stretches up to 500 sq ft per gallon on smooth wood. It is the right tool only when you want solid color, not natural grain, because it buries the wood entirely, comes in just a few barn colors, and as a paint film it can chip and eventually need scraping and repainting rather than a wash-and-recoat.
Pros
- Opaque flat film completely hides gray weathering, mismatched boards, and repairs on an old fence
- Very cheap per gallon and stretches far, up to 500 sq ft on smooth siding-style boards
- Water/oil hybrid resists cracking, peeling, and blistering better than a plain wall paint on rough exterior wood
Cons
- Being a solid paint, it buries the wood grain entirely, the opposite of a natural fence look
- Only a handful of traditional barn colors, with no wide custom-tint range
- As a film it can eventually chip or peel and then needs scraping and repainting, not a simple wash-and-recoat
Specifications
| opacity | Solid / opaque (flat) |
|---|---|
| base | Water/oil-base hybrid latex |
| coats | 1-2 coats |
| coverage | 200 sq ft/gal on porous wood; up to 500 sq ft/gal on smooth surfaces |
| dryTime | 2-3 hours to touch; recoat in 6-8 hours |
| cleanup | Soap and water |
| reapply | Repaint when the film dulls or chalks, typically several years |
| colors | Limited (white, red, brown, black barn colors) |