The perimeter foundation wall is made of concrete block on top a 20" wide footer. The footer has a layer of ice and water shield on top overhanging the edges by a few inches. This is done to protect the footer from exposed water damage. The concrete block is protected on the outside with a layer of damp proofing followed by a layer of tar that goes to the finish grade line. This detailing ensures that the crawlspace will be dry and keep the concrete in great condition over its lifespan.
Wednesday, May 5, 2010
Perimeter Foundation
The perimeter foundation wall is made of concrete block on top a 20" wide footer. The footer has a layer of ice and water shield on top overhanging the edges by a few inches. This is done to protect the footer from exposed water damage. The concrete block is protected on the outside with a layer of damp proofing followed by a layer of tar that goes to the finish grade line. This detailing ensures that the crawlspace will be dry and keep the concrete in great condition over its lifespan.
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I like your approach to keeping the crawl space dry and will be using the ice and water shield on my footers before the cinder blocks are placed. From Virginia
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