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🔧 Seal it. Paint it. Forget it. The ultimate fix for every crack and crevice.
Flex Paste is a premium 3 lb waterproof, paintable rubberized putty designed to fill large gaps, cracks, and holes across multiple surfaces. Its airtight container preserves freshness, while its unique formula works underwater and cures into a flexible, UV-resistant seal. Ideal for indoor and outdoor repairs on walls, roofs, RVs, concrete, and more, it offers a durable, paintable finish that blocks air, water, and pests, making it a must-have for professional-grade DIY and maintenance projects.












| ASIN | B0851N5CGM |
| Best Sellers Rank | #11,124 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #44 in Hardware Sealers |
| Brand | Flex Paste |
| Brand Name | Flex Paste |
| Color | White |
| Compatible Material | Wood, Glass, Tile, Concrete, Aluminum, Metal, Brick, Stucco, Masonry, Copper, Fabric, Fiberglass, Ceramic, Porcelain, Natural Stones, Roofing, Pvc, Eifs, Cspe, Epdm, Hypalon Polyurethanes |
| Customer Reviews | 4.0 out of 5 stars 6,020 Reviews |
| Included Components | Item |
| Item Dimensions | 5 x 4.25 x 4.25 inches |
| Item Form | Paste |
| Item Type Name | Flex Paste PFSWHTR32 3 Lb. Tub - White |
| Item Weight | 3 Pounds |
| Item dimensions L x W x H | 5 x 4.25 x 4.25 inches |
| Manufacturer | Swift Response, LLC |
| Material | Rubber |
| Material Type | Rubber |
| Model | PFSWHTR32 |
| Number of Items | 1 |
| Part Number | PFSWHTR32 |
| Style | 3 lb White |
| Style Name | 3 lb White |
| Supported Standards | ASTM C-920 |
| Surface Recommendation | Doors,Tub |
| UPC | 850010226842 |
| Unit Count | 48.0 Ounce |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |
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