Great Stuff For Concrete Expansion Joints

Just twist it onto a can of great stuff and seal around your home for up to 30 days with our restartable drip free design.

Great stuff for concrete expansion joints.

For joints and crack that are larger than 1 2 in width i recommend using an expandable foam like great stuff gaps and cracks filler. Expansion joints must be sealed with a flexible sealant like quikrete self leveling polyurethane sealant or quikrete non sag polyurethane sealant or an expansion joint strip to prevent water from penetrating the joint and deteriorating the sub base. Great stuff big gap filler insulating foam sealant is an expanding foam sealant that fills seals and insulates gaps up to 3 inches. This ready to use sealant is specially formulated to take on common areas of energy loss such as rim joists sill plates plumbing hvac and other larger penetrations.

Shore up concrete problems. Expanding polyurethane foam is best at sealing air leaks around window jambs. The expansion foam will fill the large gaps and cracks which will create a seal for the self leveling sealant to sit on. The purpose of an expansion joint is to allow the concrete slab to expand and contract with temperatures changes without cracking the slab.

Spray foam really is a magical tool for household insulation. Watch as i review 5 ways of filling concrete expansion joints and my personal favorite. Wonder what looks best and holds up. For sealing small cracks plain old silicone works great.

Keep your concrete expansion joint watertight and crack resistant with sikaflex sealant gather all your old socks and a few worn out t shirts. You ll need them as rags don t whine about using your old pink floyd concert shirt nobody thinks you re cool if you wear it to the mall in 2000 whatever. If the holes are larger and expanding foam is needed a product like great stuff pond and stone may be just the thing. Although fiberglass has been commonly used for insulation spray foam can actually outperform it plus with so many ways you can use spray foam this material certainly is handy now only if it could help us out with all of those concrete problems.

Patch up the holes with concrete and your new driveway or sidewalk or walkway will look good as new. But since a 12 ounce can yields more foam than you re likely to use before the nozzle clogs get your money s worth by aiming the rest at the following projects. The award winning smart dispenser provides a level of precision control and reusability unheard of in a disposable straw. But if you have a large surface area that you are needing to seal you may be looking for something more like liquid rubber it comes in a one gallon can like a paint can and adheres to wood metal and concrete.