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GC/carpenter
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Discussion Starter #21 (Edited)
From Fiberon. "To prevent extensive water absorption an unobstructed air flow is REQURIED below deck. For decks with limited ventilation add flow-through vents at various locations around the rim joist. " But if Ya don't want to Ya don't have to. Like you say you've been building out of regulation/ installation requirements for 13 years. JonMon www.deckmastersllc.com
I've got unobstructed air flow.
 

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Project Manager HFH..
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Dude... Can we come over and skate that pool before they fill it? :)
 
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Super Moderator
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Nice. What kind of material
 
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Designer/Contractor
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All of your stuff always looks so good, really like the low large one.

Do the decks have to be ventilated at 1 square foot per 150 square foot of deck space?
 

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GC/carpenter
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Discussion Starter #38
All of your stuff always looks so good, really like the low large one.

Do the decks have to be ventilated at 1 square foot per 150 square foot of deck space?


They used too. Not anymore. I've talked extensively about this subject with the higher ups from Trex. The executive vice president of Trex flat told me they've tested the Transcends in every condition there is and cross ventilation isn't necessary, like it once was with Accents.
 

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GC/carpenter
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Discussion Starter #39
In fact Rio. This deck was a Trex warranty replacement. Trex payed for the replacement. The old stuff flaked. I was able to pull some strings and get them Transcends as a replacement.
 

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Designer/Contractor
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They used too. Not anymore. I've talked extensively about this subject with the higher ups from Trex. The executive vice president of Trex flat told me they've tested the Transcends in every condition there is and cross ventilation isn't necessary, like it once was with Accents.
If I may ask, is this an exception just for Trex, or is there an exception in the building code for composite lumber and ventilation?
 
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