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Is it okay to put an unvented hot roof under a wood shingle roof?

Randy973 | Posted in General Questions on

I live on Cape Cod and I would like to put spray foam on the roof and then Sheetrock . There are wood shingles on the roof now and because I am in a historic district I have to keep them. Thank you for your help.
Randy

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Related Questions

Replies

  1. GBA Editor
    Martin Holladay | | #1

    Randy,
    Are the cedar shingles nailed directly to the plywood deck, or are the shingles nailed to skip sheathing?

    If the shingles are nailed to skip sheathing, the next question is: are the skip-sheathing boards the only type of sheathing? Or is there continuous plywood under the skip sheathing?

  2. Randy973 | | #2

    The shingles are nailed directly to tounge and groove sheathing.

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