# TLDR Review: KILZ Waterproofing Paint, 1-gallon

*Published: 2026-03-17 | Updated: 2026-03-17 | Source: https://shopsavvy.com/reviews-tldr/kilz-waterproofing-paint-1-gallon*

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## Product: KILZ Waterproofing Paint, 1-gallon
**Brand:** Kilz

## Pros
- Provides excellent coverage, often requiring only one or two coats for a smooth, professional finish.
- Applies easily with a brush or roller, going on thick without being drippy or hard to manage.
- Effectively seals concrete blocks and adheres well even on surfaces with previous water damage or mineral buildup.
- Bright white color reflects natural light nicely, making basement or masonry areas feel brighter and more livable.
- Cleans up easily with water before it dries, and remains easy to maintain afterward.
- Offers strong sealing performance and durability according to early user experiences.
- Good quality for a budget-friendly waterproofing paint option.
- Penetrates crevices and damaged spots thoroughly, covering exterior and interior masonry well.

## Cons
- Paint can feel thin when poured, so multiple coats may be necessary to fully eliminate streaks or minor unevenness.
- Some users noted minor scuff marks or wear over time, often related to inadequate surface prep rather than paint quality itself.
- Waterproof effectiveness is promising but not yet fully proven in long-term wet conditions based on current feedback.

## Bottom Line

If you're tackling basement or masonry waterproofing on a budget but still want solid coverage, durability, and a bright white finish, *KILZ Interior/Exterior Basement and Masonry Waterproofing Paint* is a strong contender. It's easy to apply and seals well, though for best results plan on two coats and proper surface prep. For those seeking a paint specially formulated for extreme water intrusion with more proven longevity, exploring dedicated waterproofing sealants might be worth your time.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Provides excellent coverage, often requiring only one or two coats for a smooth, professional finish. | Paint can feel thin when poured, so multiple coats may be necessary to fully eliminate streaks or minor unevenness. |
| Applies easily with a brush or roller, going on thick without being drippy or hard to manage. | Some users noted minor scuff marks or wear over time, often related to inadequate surface prep rather than paint quality itself. |
| Effectively seals concrete blocks and adheres well even on surfaces with previous water damage or mineral buildup. | Waterproof effectiveness is promising but not yet fully proven in long-term wet conditions based on current feedback. |
| Bright white color reflects natural light nicely, making basement or masonry areas feel brighter and more livable. |  |
| Cleans up easily with water before it dries, and remains easy to maintain afterward. |  |
| Offers strong sealing performance and durability according to early user experiences. |  |
| Good quality for a budget-friendly waterproofing paint option. |  |
| Penetrates crevices and damaged spots thoroughly, covering exterior and interior masonry well. |  |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| litvon | $28.40  | Check |
| Walmart | $32.52  | Check |
| ULO Network | $34.30  | Check |
| Amazon | $35.00  | Check |
| Lowes | $35.00  | Check |
| The BuildClub | $45.77  | Check |
| Zoro | $69.29  | Check |
| coldsupply.com | $81.50  | Check |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*