The water being blocked by the sealant will find another gap in your foundation to enter the home.
Seal gap between concrete floor and wall.
To remedy this issue i installed backer rod in the gap that i then covered with concrete crack sealant.
In the short term a sealant applied along this gap between your basement floor and wall may prevent leakage.
Even so the new concrete does not bond with the already cured footings so a tiny gap exists between the two.
Remove the baseboard if present to expose the gap between the subfloor and the wall face.
Under ordinary circumstances this gap is too small to admit water.
However it s not that simple.
After the walls have cured the basement floor is poured leaving a similar tiny gap known as the cove joint between the cured walls and newly poured floor.
It works perfectly as a concrete expansion joint sealant.
However it will eventually fail in one of two ways.
This will hopefully be the fix that keeps that wall of the sunroom nice and dry.
Snip the opening of the tube at a 30 degree angle making the opening the same size as your gap.
Typically this will be cracks in your foundation.
Slide the flat end of a pry bar between the baseboard and the wall.