Replacing exiting roof decking


Old 07-22-00, 06:01 AM
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The existing decking is in poor condition with many imperfections. I want to replace the 3/8" plywood with 5/8" and want to know how much of the old deck I can take up and replace at one time, or can the whole roof deck be taken off and redecked?
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Old 07-23-00, 05:44 AM
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As a rule, you usually replace as you tear off. Probably take off 2 or 3 sheets, and then replace with new. That way you have something to walk on.
Old 07-25-00, 04:35 PM
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How steep is the roof? Do you plan on using plyclips?

If the roof isn't too steep and you do plan on using plyclips, I would recommend tearing it all off and starting at the bottom. It would be easier to put the clips in this way.

Have you thought about applying 1/2" CDX over your existing decking? You don't need to wory about plyclips if you do.

More than a Carpenter

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