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afdfog 06-04-2012 08:26 PM

Is it good to put Bituthene on top of decking joists?

joecaption 06-04-2012 08:51 PM

I've replaced decking on older deck done both way, not sure why but the ones with tar paper or storm and ice shield were more rotted then the ones left exposed. May be that moisture stays traped long.

AtlanticWBConst. 06-05-2012 06:37 AM

We use them over double and triple joist/beams (in decks) - to keep water & subsequent ice, from getting between and expanding.

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