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Cedar Siding over Typar/Tannic Acid

JerseyCityKid's picture

Cedar Siding over Typar/Tannic Acid (post #204221)

JerseyCityKid on Sat, 08/13/2011 - 05:55
in

I have a house with cedar siding over typar, built in the early '90's. The tannic acid bleeding from the cedar fused the pores of the typar and the sheathing and framing are rotting from the inside out. Anyone else with a mystery rotting?