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Scott Patterson · #9 (**permalink**) 05-02-2008, 08:52 AM

Quote:

Originally Posted by Jerry Peck

With EIFS, the old barrier type, was there a protective building wrap separating that from the wood sheathing?

The new drainable EIFS has that as well as a drainage plane (as I understand it) which would make it more like stucco - two layers of protection, with the drainage plane being between them.

With the old barrier systems they had no protective wrap. The foam was glued or fastened to the substrate (OSB about 90% of the time). Then it was coated with a basecoat (suppose to be the waterproofing part of the system) and then the lamina or finish coat was to add the final waterproofing to the system.

So the water seeps in and is locked in place!