Q: I am rebuilding exterior wall. It has vinyl siding which was put over old lap siding. I am only replacing part of wall. I have removed vinyl siding and
Lap siding as well as the exterior sheet rock material to bring the wall surface out enough to match the part. I am not replacing, I need apx 1 1/2". I am planing on using 2 layers of osb with an outside layer of 1/2 rigid foam insulation which will directly under the vinyl siding. Is this acceptable?
Posted in Other Remodels on
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Jason G from
Gettum Associates, Inc
Greenwood, INA: Matching exterior wall thicknesses
Perhaps consider going with thicker rigid foam insulation board. You really only need one layer of OSB sheathing and the foam would be more energy efficient. In fact, as long as it isnt an outside corner, you really dont need the OSB. You can use wood furring strips over the sheathing to help bring the new surface out flush.
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