How To Seal Concrete Garage Walls

Before applying check the weather.

How to seal concrete garage walls.

I am trying to figure out whether how to air seal the gap between my garage floor and drywall in my 12 year old three story townhouse in zone 2a. Most concrete block or cinder block walls stay as is if used as retaining walls or foundations but some serve as a finish wall as well. Sealer needs to be applied in dry conditions because it won t adhere to damp concrete. I think caulk any particular kind is the answer but wanted to check first.

The door shown in the photos leads to the first floor of the house. It s also necessary to remove efflorescence white deposits that form on the surface of concrete walls subject to constant moisture before applying sealer. Garage walls are. Concrete is porous by nature and while a durable material cracks and holes can develop especially in a demanding environment like a garage.

Sealing your concrete floor is relatively inexpensive when you do it yourself. Wait at least 30 days before sealing a new concrete surface whether indoors or out so that it has time to completely cure first. For this the waterproofing professional will seal the holes and cracks using hydraulic cement. Various concrete sealers are manufactured for easy application designed.

Garage leaking water through the walls. Whether made from concrete or wood the interior. For the best results the concrete surface should be clean and dry. Concrete walls sometimes only leak periodically such as after a hard rain or during snow melts.

The temperature also needs to stay above 50 f during application and drying time up to three days. How to seal a cinder block garage wall. The cheapest way to seal a concrete floor. The gap is generally 1 2 wide however in many places it s less.

If your concrete is new you ll need to let it cure wait at least one month before applying sealer. However some walls gush water through openings in the concrete.