Why you can t just seal the gap between your basement floor and wall it may seem like an obvious solution to simply seal the cove joint to prevent water from breaching into your home.
How to fix gap between floor and wall.
If you re fixing a gap between a floor and a painted wall such as a bedroom or living room wall use a latex caulk.
If you can t remove it use a pry bar to carefully pry the base away from the wall.
Seepage in spaces between the wall and the floor especially on the sagging subfloor or due to expansion of the laminate floor may be a common problem.
Caulking is an easy remedy to fix the gap between the wall and the subfloor.
Use a putty knife to gently pry the base away from the wall then pull it the rest of the way out using your hands.
Wipe it all along the seam between the baseboard and the floor to get it completely clean.
Vacuum along the gap with a vacuum hose to pull out any dust or debris that s in there.
An early sign of foundation problems great care is taken when building a home to ensure everything doors windows baseboards moldings is straight and flush.
This method involves breaking away the floor 18 inches away from the foundation walls to create a trench that is approximately 12 inches wide.
Dampen your sponge with rubbing alcohol.
To remedy this issue i installed backer rod in the gap that i then covered with concrete crack sealant.
However it s not that simple.
Choose a color that closely resembles the paint of your wall so the gap isn t noticeable.
Pick a slightly taller base than your existing one to eliminate the need to repaint the lower part of the wall and simplify the job.
Air seepage is hard to prevent especially on the old floor.
In the short term a sealant applied along this gap between your basement floor and wall may prevent leakage.
Gaps between wood floors and walls.
So if you notice a gap forming between your wood floors and the wall or your baseboards separating from the wall it might be a sign of serious.
Look for latex caulk at department stores home improvement stores hardware stores and online.