Seal Gap Between Concrete Floor And Wall

I think caulk any particular kind is the answer but wanted to check first.

Seal gap between concrete floor and wall.

Don t seal the gap between basement wall and floor to keep out water. 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. This gap is called a cove joint and the reason there is a gap between the wall and the floor is simply because of the way that the foundation of the home got poured. Occasionally as the concrete settles the joint may widen causing leaks or serving as an entrance for insect infestations.

However it s not that simple. Mostly what kent said. But urethane squirt foam is subject to uv degrada. But if the joint is going to be buried behind other finish surfaces and the gap is 1 2 ish or bigger then squirt foam is a good choice.

To remedy this issue i installed backer rod in the gap that i then covered with concrete crack sealant. Why you can t just seal the gap between your basement floor and wall. After the concrete floor sets the board is removed a clean even gap is left between the basement wall and floor. Some areas have very expansive soil.

But in colder climates this water can cause damage to both the driveway and the concrete when it freezes. This doesn t happen because the wall itself is leaking water or because the basement floor has low points around the edges. You can seal these joints but you must ensure that the seal does. The gap is generally 1 2 wide however in many places it s less.

One of the most common places to find water in a residential basement is in a puddle right next to the wall. When building the basement the separate installation of basement floor and walls creates a small joint between the surfaces. Sep 30 2015 by matthew stock. The door shown in the photos leads to the first floor of the house.

This is a floating slab or floating floor. It depends on the exact situation. The gap in question was previously filled with either fiberboard or concrete crack sealant but enough of it has deteriorated to conceivably allow moisture in. When water enters the seam or crack between an asphalt driveway and a concrete garage floor or foundation it isn t a big deal in warmer climates for the most part.

In the short term a sealant applied along this gap between your basement floor and wall may prevent leakage.