Flex Paste Super Thick Waterproof Rubberized Paste, White, 9-oz. Cartridge

Discover the versatility and durability of FLEX PASTE®, a super thick rubberized paste available at A & R Building Supply in Mountain top, PA. This innovative product starts as a thick paste that you can spread, shape, and form to seal virtually everything around your home or workspace. Designed to dry into a strong, flexible rubber coating, FLEX PASTE® offers an excellent waterproof sealant that clings firmly to a wide variety of surfaces, making it an essential tool for both professionals and DIY enthusiasts in Mountain top.

• Super thick rubberized paste: Clings to surfaces and instantly fills large gaps, cracks, and holes for reliable sealing.


• Application versatility: Can be applied on dry or wet surfaces, even underwater, without dissolving or washing away.


• Flexible and durable: Expands and contracts with temperature changes, never shrinking or cracking.


• Paintable and moldable: Can be painted any color and shaped to take on just about any form to suit your project needs.


• Effective pest barrier: Seals holes to help keep insects and rodents out of your home.


• Wide temperature resistance: Withstands temperatures from -40 degrees Fahrenheit to 200 degrees Fahrenheit once fully cured.


• Multi-surface compatibility: Works on wood, glass, tile, concrete, aluminum, metal, brick, stucco, masonry, copper, fabric, fiberglass, ceramic, porcelain, natural stones, roofing materials, PVC, and many more.


• Non-flammable and resistant: UV, chemical, and mildew resistant for long-lasting performance.


• Requires standard caulking gun: For easy application (caulking gun not included).

Imagine using FLEX PASTE® in Mountain top for a variety of projects—from sealing leaks in your roof or foundation to repairing cracks in concrete or masonry. It’s perfect for bath and shower repairs, auto, boat, or RV maintenance, and even lawn and garden projects. Whether you’re a handyman tackling home improvements or a hobbyist working on crafts, this product’s ability to fill large gaps and remain flexible ensures your repairs last for years. Its waterproof and pest-resistant qualities also make it ideal for protecting your home against the elements and unwanted critters.



In summary, FLEX PASTE® is a must-have for anyone in Mountain top, PA looking for a reliable, flexible, and durable sealant that adapts to a wide range of surfaces and conditions. Available now at A & R Building Supply, this product will help you achieve professional-quality repairs and creative solutions with ease and confidence.