Installing composite decking on concrete

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Old 01-16-12, 05:41 PM
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Installing composite decking on concrete

We have an ugly (my wife says) concrete patio. I was thinking of laying a deck of composite decking right on the concrete and screwing the boards down into anchors set in the concrete. Would that work? Any ideas or problems seen?
 
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Old 01-16-12, 05:45 PM
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sounds like a bad idea to me... when you say that you are thinking of "screwing the boards down into anchors set in the concrete" what exactly are you thinking of doing? anchoring treated 2x2's down to the cement so that you have something to screw to?
 
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Old 01-16-12, 08:48 PM
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Or, you could think about building 3' x 3' panels and lay them down checkboard fashion. Easy to move and clean underneath.
4' x 4' could get a bit heavy to lift/move.

fred
 
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Old 01-17-12, 12:26 AM
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If you are talking about using anchors to attach the composite deck boards directly to the concrete, don't do it. Compostie decking needs ventalation under it, not laying flat on a concrete slab.

At the very least, put down 2X sleepers on the slab (attach them with Tapcons, NOT anchors), and use 2" deck screws to attach the decking to the sleepers. And orient the sleepers so that they are perpendicular to the house wall, so the decking is parallel to the wall. The slab slopes away from the house -- you want the sleepers to run in whatever direction that slope is. Otherwise, they will become dams, preventing the water from being able to drain properly.
 
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Old 01-17-12, 04:27 AM
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Cheaper, more permanent method would be to have someone come in, score the slab to look like stone, stain and finish the surface. Then it will be pretty and won't be a "deck". Sometimes DIY falls short.....not often, but it happens.
 
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Old 01-17-12, 06:05 AM
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I'm with Chandler - I'd look into modifying the appearance of the concrete.
 
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Old 01-21-12, 09:31 PM
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Or, if you want to go on "the cheap," rent a sand blaster, and give the entire surface a brush-off blast to (uniformly) expose all of the aggregate near the surface. Then give it a coat or two of Kure-N-Seal, and watch the wifey smile and giggle at how nice it looks, and brag to her friends about what a bnilliant artist you are!
 
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