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ANY HELP APPRECIATED I AM PLANNING TO LEVEL A EXTERIOR WALL WITH TUF R 1/2” FOAM BOARD ON A 50 YR OLD HOUSE THEN SIDE IT TO ORIGINAL WITH WHITE CEDAR SHAKES DOES ANYONE SEE A POTENTIAL PROBLEM WITH THE TUF-R UNDER SHAKES I WILL BE USING WIDE CROWN STAPLES 1/2X 2 FOR FASTNERS UNDER THE FOAM BOARD WILL BE FELT 15# THANKS IN ADVANCE
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I believe the impermeable surface directly under the shakes will result in a lot of moisture at times against the back of the shakes resulting in cupping and - if there is a finish - failure of the finish. I believe felt and the old sawn lumber sheathings contributed to theh length of the siding and finish by tempering the moisture flucuations in the siding. Why not at least put the felt over the foam?
*Greg... think about using the matted fiberous shake underlayment on top of sheathing to allow for air space drying, etc
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ANY HELP APPRECIATED I AM PLANNING TO LEVEL A EXTERIOR WALL WITH TUF R 1/2'' FOAM BOARD ON A 50 YR OLD HOUSE THEN SIDE IT TO ORIGINAL WITH WHITE CEDAR SHAKES DOES ANYONE SEE A POTENTIAL PROBLEM WITH THE TUF-R UNDER SHAKES I WILL BE USING WIDE CROWN STAPLES 1/2X 2 FOR FASTNERS UNDER THE FOAM BOARD WILL BE FELT 15# THANKS IN ADVANCE