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Forum topic by FatAl posted 05-27-2020 03:45 PM 276 views 0 times favorited 4 replies Add to Favorites Watch
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FatAl

3 posts in 556 days


05-27-2020 03:45 PM

Has anyone seen this type of jointery/decking before? Size is 3×7. New to me. This is on the deck of a rapelling tower for training. Needing to repair/replace some rotted boards.


4 replies so far

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Kelly

3025 posts in 3724 days


#1 posted 05-29-2020 06:20 AM

I reminds of what they called car decking. Here, it’s called tongue and groove roof decking.

http://www.dougfirflooring.com/roof-decking-3-6.html

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ChefHDAN

1659 posts in 3629 days


#2 posted 05-29-2020 12:08 PM

If that’s exposed to the elements, that jointing could be part of the rot problem, if water & moisture can’t drain. Drainage is the reason you see decks with an 1/8” spacing between boards. Depending on the square footage, I would consider using some of the newer composite products, and be done for a decade or so with maintenance.

-- I've decided 1 mistake is really 2 opportunities to learn.. learn how to fix it... and learn how to not repeat it

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tomsteve

1039 posts in 1998 days


#3 posted 05-29-2020 12:15 PM


Depending on the square footage, I would consider using some of the newer composite products, and be done for a decade or so with maintenance.

- ChefHDAN

or use white oak

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Kelly

3025 posts in 3724 days


#4 posted 05-29-2020 02:58 PM

Keep in mind, the wood, that close together, may be part of the structural integrity of the structure.

Too, if high enough off the ground, one might not want gaps things could fall through.

I’d soak the blasted things in thinned (about 25%), non-hardening oil, slathering it on over a period of a couple days. After the wood weathered, I’d do it again a few times.

Wood full of oil is not going to take on water, or shrink, causing splitting and cracking.

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