Why use concrete sealers?

Concrete although being dense it is still porous allowing it to absorb water, stains, chemicals or anything that it comes in contact with. Concrete sealers prevent this from happening by allowing the concrete to breath. Many abnormalities in your concrete can be prevented such as: discoloration, cracks, joint leaks, failure and ultimately seepage.

Why are some sealers more expensive than the others? Is it just brand name?

Answer: Not necessarily. You need to look at the amount of solids in your sealer. This is what you pay for and what makes some sealers more expensive and it