Decks boards butted against each other, no gaps


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Old 05-24-24, 08:41 AM
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Decks boards butted against each other, no gaps

I have a contractor building a deck using treated lumber. The deck boards are the "thick deck" from menards. I see they have nailed the boards down right next to each other... left no gaps between the boards. I've never seen this, I've always seen gaps between deck boards... for drainage, let dirt fall thru, ventilation, etc.

Is this going to be a problem for me? The deck is not very tall and is skirted around the bottom. He was supposed to use weed cloth but it looked like vapor barrier. I feel like he's building a mold/rot nightmare.
 

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05-24-24, 08:49 AM
marksr
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Those boards are likely still wet from the pressure treating process and will shrink some as they dry. If you spaced them wet the gap would be too big once dry.
 
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Old 05-24-24, 08:49 AM
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Those boards are likely still wet from the pressure treating process and will shrink some as they dry. If you spaced them wet the gap would be too big once dry.
 
sdodder, Wayne Mitchell, XSleeper voted this post useful.
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Old 05-24-24, 08:52 AM
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Menards lumber is known for still being wet when sold. I think Mark is on the right track with his advice.
 
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Old 05-24-24, 09:17 AM
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Thanks
 
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Old 05-24-24, 03:02 PM
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When using 5/4 decking boards I often install them touching, with no gap. Within several weeks the boards dry and shrink and gaps appear between the boards.
 
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Old 05-25-24, 04:04 AM
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Ok, I'll keep that in mind. Thanks guys!
 
 

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