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Timbertech Twin Finish deck planks; any good?

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Timbertech Twin Finish deck planks; any good?

Old 03-31-2017, 06:16 PM
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Default Timbertech Twin Finish deck planks; any good?

Our 20 y/o 5/4 cedar deck has seen it's better days, so I am thinking about resurfacing with a composite deck plank. The problem is that the joists are on 16" centers, and the decking is run at 45 deg, so according to every one of the manufacturers I've found, joists need to be on 12" center if installing planks on 45 deg. Except Timbertech Twin Finish. They spec that product as good for 45 degrees even if joists are 16" apart.

They also make an even stronger deck plank called Docksider, which they say is good for decks or docks. It's available in either grooved, for hidden fasteners, or square-shoulder, for screws through the top.

I'm not wanting to add or change joists if I can avoid it, as the deck is about 1000 sq ft, bi-level, and it would be a big PITA, and more expense.

I'd like to hear from anyone who has any experience with this stuff; the good and the bad.
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Old 04-02-2017, 09:59 AM
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We installed 1,900 sq. ft of the gray Timbertech Twin Finish (woodgrain up) on our backyard deck in May of 2013. Like most composites, it needs to be cleaned every other spring (deck cleaner & bleach mix) with a scrub brush and hose, but otherwise just needs to have the bird crap hosed off.
It is in the sun just about continuously sunrise to sunset as it faces south, and has faded to a lighter shade of gray since installed, but otherwise has held up well.
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Old 04-02-2017, 10:08 AM
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Thank you for the feedback; that's what I am looking for. I've been wondering how susceptible it is to mold, and how difficult to clean, since it is not a "capped" surface deck board. Our deck faces to the north, so more likely to have mold spores digging in. Considering Ipe now, but still considering Twin Finish as well as looking at other options.

Did you install your's with surface screws, or hidden fasteners, and if you had it to do over, would you use the same product?
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Old 04-02-2017, 11:53 AM
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Why not install what you really want, or like? And install it conventionally, perpendicular to the joists.
IMO, blind fasteners look best followed by screws with matching plugs!
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Old 04-02-2017, 01:14 PM
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Originally Posted by coddock View Post
Why not install what you really want, or like? And install it conventionally, perpendicular to the joists.
IMO, blind fasteners look best followed by screws with matching plugs!
We like the deck planks installed on 45*, and think it looks much better that way, so we want to stay with that design. Once we narrow the choices of what is suitable for 45 deg on 16" o/c joists, we'll decide. Might be a composite, possibly mahogony, or Ipe. This Timbertech product is the only composite I have found, that could be used, which is why I'm asking about that one in particular.. Looking into the pro's and con's of all of them.
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