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💪 Seal smarter, not harder — Flex Seal your world with confidence!
Flex Seal Liquid is a premium white liquid rubber sealant designed for professional-grade waterproofing and protection. Its flexible, breathable, and UV resistant formula creates a durable barrier on multiple surfaces including roofs, basements, RVs, and marine equipment. Easy to apply by brushing, rolling, dipping, or pouring, it prevents water, air, and moisture infiltration while resisting rust and corrosion. Trusted by thousands with a 4.5-star rating, it’s the go-to solution for long-lasting repairs and maintenance.
| ASIN | B01GFYA19Y |
| Best Sellers Rank | #157,823 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #515 in Hardware Sealers |
| Brand | Flex Seal Liquid |
| Brand Name | Flex Seal Liquid |
| Color | White |
| Compatible Material | Rubber |
| Customer Reviews | 4.3 out of 5 stars 117 Reviews |
| Global Trade Identification Number | 00853517006351 |
| Included Components | LFSWHTR32 |
| Item Dimensions | 4.75 x 4.25 x 4.25 inches |
| Item Form | Liquid |
| Item Type Name | LFSWHTR32 |
| Item Weight | 2 Pounds |
| Item dimensions L x W x H | 4.75 x 4.25 x 4.25 inches |
| Manufacturer | SWIFT RESPONSE LLC |
| Material | Rubber |
| Material Type | Rubber |
| Model | LFSWHTR32 |
| Number of Items | 1 |
| Part Number | Flex Seal Family of Products - LFSWHTR32 |
| Style | Liquid Rubber |
| Style Name | Liquid Rubber |
| Surface Recommendation | Wood, Metal, Glass, Plastic, PVC |
| UPC | 853517006351 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |
A**R
Be patient and let it fully dry the full 24 hours before the next coat.
Product works exactly as advertised and fulfills all claims made. Super easy to use super effective for keeping the area is used from becoming damaged due to water leakage or seepage.
J**N
Better than Dicor and Eternabond.
This stuff is easy to apply and remains flexible and waterproof for years, I've use the clear to waterproof the water feature and the roof of our RV.
T**T
Good for large flat surfaces; not so good for smaller projects.
This is NOT for any kind of surface other than just a flat one. I use this to seal the edges of a wooden Catio, and it looks horrendous. I’m sure that it’s pretty much waterproof, but the product is very rubbery and doesn’t cover 2 x 2 wood smoothly or attractively. I have yet to hang the cat outside (it turns out that my window frame isn’t suitable, so I have to provide additional support) but I’m fairly certain that it will be waterproof.
S**W
Good sealer
This is a good sealer much better than flex seal spray on
B**.
Excellent!
Excellent product. Easy to use.
C**G
Thicker than maple syrup in January !
I'm sealing up the roof on our RV. This stuff is goes on thick. Should only need one coat. Make sure you use a cheapy one time use brush.
K**.
It works
I have sealed my camper with it. Unfortunately I've had to re apply it each year but it's the best I've found so far
A**R
Oil Based Paints and Sealers Will Not Adhere To It Properly
This product has one major drawback, oil based paints and sealers will not adhere to it properly. Can you imagine my shock when I tried to paint over it with KILZ SEALER, a high quality product that I have been using for many years now, and this is the first time the sealer would not stick to the wall surface. The link for the sealer that I used is as follows. KILZ Original Multi-Surface Stain Blocking Interior Oil-Based Primer/Sealer, White, 32oz
Trustpilot
2 weeks ago
5 days ago