Dry-waterproofing [Archive] - Home Construction Forums

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CThomp
09-06-2005, 09:59 AM
Realizing the cost of remodelling is a painful thing. To mitigate this I have been trying to figure out ways to keep an existing addition on my house. As part of our existing plan this addition was to be torn down because it is sitting at ground level on a slab and has the possibility of being subjected to wind driven rain and/or minor flooding.

After researching dry water proofing I think this will be the way to go. I think the structure itself is still quite sound. We are re-sheathing and siding the entire structure anyhow so I figured why not re-sheath the bottom 4ft of the house with 4x8 sheets of hardi board. Or heck maybe do the whole thing in hardi board. It would still save money in the long run. Then I would paint some kind of sealant or wrap the bottom half in some kind of membrane or paint on some kind of sealent to waterproof it.

The last step would be to attach a brick veneer to the outside for looks. This brick veneer would be built up no more than 2-3ft.

I think this is my best option. Any suggestions?

I'm not in a flood plane and my storm category is a category 3 storm surge in a fema rate code B. My soil is sandy and well drained so water doesn't stand for very long after rains.