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Old 04-04-2014, 08:04 PM   #16
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If you do this run a generous bead of a polyurethane sealant just to the wall side of the cut groove and seat the flashing into that. Be sure that you clean up the area well of the dust created from making the cut before that step.


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Old 04-04-2014, 08:10 PM   #17
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Sort of a general question...... Is the ground flooding around your shed and encroaching on the slab.... is that your problem.....

Or is rain hitting a flat slab and just seeping in thru your mud sill gasket....

How much flooding or seepage do you encounter is another way of asking the question.

And how important in a cabana/shed flooring and ultimate water protection that you need.

Clearly Joe and Kwik have sound better quality solutions....

but your situation circumstances may be such that popping the outside base trim and smearing a good silicone calk for $30 might be your solution if the water migration is minimal and just seeping thru your sill gasket.

I suppose also that a rented cup grinder on a 7 wheel and taper your slab down might be a satisfactory solution. Probably $100 and a dust mask.

Any time you can redirect water, is usually cheaper and more effective than trying to block water.

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Old 04-04-2014, 09:44 PM   #18
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Well first the amount of rain we get in Las Vegas could be considered minimal and when it did, water would seep in enough to ruin the baseboard trim and leave a stain on the epoxy floor. I caulked it once but after a year or so, the caulk started to crack and I don't really think it bonded well to the slab. I had the foolish idea that I could take a leveling material and build it up so as to provide a barrier. My first task is to remove the base trim and maybe cut an inch of the siding so as to expose the 2x4s and see where actually the water seeps in.
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Old 04-05-2014, 10:47 PM   #19
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Question? Is it possible to pour a small concrete ledge at the base of the building. The question would it adhere to the existing slab?


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