I have just built a new shop this summer and he just had our biggest rain of
all year ! I went inside my shop and down around the bottom where the walls
meet the floor (congrete), I had some water seeping in. It is a pole
building with the bottom base board alll around.
What type of caulking or grout type of material will seal this off ?
Thanks so much,
Check the slope outside. YOu may need to do some grading. In a
conventional slab foundation, a foam seal is applied between the sill plate
and the concrete foundation. And the weight of the whole wall keeps the seal
intact unless really under water. In a pole barn, you're relying on
compression at relatively few points to support the walls and roof. There
is no real seal under any bottom board, and those are merely there for
holding on the siding, and not functional as a support mechanism.
THerefore, they don't ever really "seal" out water. Caulking won't really
help with a moisture problem as large as you're describing.
YOu have another problem all together. Either the slope outside can't
manage to channel away water from the roof, or else the sheeting action of
the water running down the building side is seeping in because you don't
have a lip on the concrete slab to keep it out and the slab isn't sloped at
the edge in any way to keep it out. I'd bet it was the second problem, and
the cure for that would be to go back and chip out a drain edge on the lip
of the slab (the sloped edge you see where a garage door is) where it meets
the siding to keep the water from running in. After you do that, applying a
foam sealant between the bottom board and slab might help with the residual,
but you have to actively channel the water *away* from the slab first.
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