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.
Great stuff spray foam insulation can.
Spray foam is a type of insulation that expands after you spray.
Great stuff pro kit https amzn to 2rf91bl diy spray foam kit https amzn to 2m3icys can you use great stuff expanding foam in a can to insulate an ent.
While you re at it check out how other ways you can seal insulate and reduce energy costs in high loss areas around your home.
It protects the lining of your house and can even assist in the heating and cooling of your house during those unbearably cold or hot days.
Cans are in 12 16 and 20 oz sizes.
Great stuff gaps and cracks insulating foam sealant with quick stop straw technology is a polyurethane based insulating foam sealant that fills air seals and insulates small gaps up to 1 in inside or out.
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.
If the holes are larger and expanding foam is needed a product like great stuff pond and stone may be just the thing.
For sealing small cracks plain old silicone works great.
The award winning smart dispenser provides a level of precision control and reusability unheard of in a disposable straw.
Great stuff comes in cans with a straw applicator or the new patented smart dispenser.