International Association of Certified Home Inspectors

Christopher Currins · #1 4/25/11, 6:22 PM

Buyer asked if the bare OSB under Vinyl siding may have been "sealed" with a water resistive barrier?

I wonder who gave them that idea?

Tim Spargo · #2 4/25/11, 9:02 PM

I don't think a moisture barrier salesperson gave them the idea... I do think however a siding salesperson or installer might have.

Christopher Currins · #3 4/25/11, 9:30 PM

Quote:

Originally Posted by tspargo

I don't think a moisture barrier salesperson gave them the idea... I do think however a siding salesperson or installer might have.

Or their RE agent.

Tim Spargo · #4 4/25/11, 11:42 PM

By the way, the OSB clear coat is only good as a moisture barrier if it is an acrylic-epoxy-alklyd-elastameric-polymer hybrid coating.

AND... you have to remove the siding every 3 years to re-seal all the OSB joints and re-coat the OSB.

BUT.. here's the problem, they don't make the coating anymore for future re-coats.. ugh.

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