All About Concrete Expansion Joints

When it comes time to sealing a Concrete Expansion Joint, first you must make sure that the joint is clean and ready to put the foam filler in if you are using a foam filler. This filler material gets you to nearly the top of the gap where you will apply sealant to allow the space between the slabs to be protected from dirt and weather as well as protecting the Foam Filler Beneath the Surface.