In the short term a sealant applied along this gap between your basement floor and wall may prevent leakage.
How to fix gap between floor and wall.
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.
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.
This method involves breaking away the floor 18 inches away from the foundation walls to create a trench that is approximately 12 inches wide.
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.
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.
Caulking is an easy remedy to fix the gap between the wall and the subfloor.
Wipe it all along the seam between the baseboard and the floor to get it completely clean.
Dampen your sponge with rubbing alcohol.
A layer of washed gravel gets added to the trench first with a perforated drain pipe installed on top of that along the entire distance of the trench which connects to a sump pump pit.
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.
This will hopefully be the fix that keeps that wall of the sunroom nice and dry.
However it s not that simple.
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.
Choose a color that closely resembles the paint of your wall so the gap isn t noticeable.
Air seepage is hard to prevent especially on the old floor.
If you can t remove it use a pry bar to carefully pry the base away from the wall.
Look for latex caulk at department stores home improvement stores hardware stores and online.
Gaps between wood floors and walls.
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.