Composite Decking Not Properly Spaced

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Old 07-01-15, 02:39 PM
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Composite Decking Not Properly Spaced

Just bought house that has two separate composite decks attached to the house. The individual that built the decks did not leave any space between any of the boards. When it rains we have huge puddles on both decks because water has no place to go. Just wondering if there is an easy way to fix this. Unfortunately, boards are not screwed in, they are nailed in.
 
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Old 07-01-15, 05:16 PM
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There is no easy fix, someone nailed a composite deck !
Post a picture.
Unless it's T X G decking it should still be draining.
 
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Old 07-01-15, 10:11 PM
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Welcome to the forums.

The T & G Joe is referring to is tongue and groove where there is absolutely no gap between boards.

Boards just touching each other should drain.

You'd have to pull the nails and refasten the boards back down with the proper gap and screws.
Quite a job at this point.
 
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Old 07-02-15, 05:42 AM
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My inlaws had the same problem with their house except their boards were screwed down but there was a screened enclosure on top so moving them wasn't a good option. My father in law used a circular saw and ran down the space between every board (tedious!). This opened up a saw blade thickness gap. He did a good job and it's surprisingly difficult to tell that he did it. Just make sure to set the blade depth to the thickness of the decking so you don't cut into the structure underneath.
 
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Old 07-02-15, 06:25 AM
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The spacing on composite decking is determined by the temperature on the day it is installed. Composite expands and contract more than wood with changes in temperature. If installed on a cold day too tight, this is what happens. It swells when it is hot and you are correct, it will hold water.

Do you know the manufacturer of the boards by chance? You could sacrifice the center one in the problem area, remove and replace it with a new board that has been run through a table saw to narrow the board and create a gap. The circular saw is an option, but you need a steady hand. You can also get a forstner bit and drill a series of holes in the composite to allow drainage. Mind you, it would be a series of holes artfully layed out so that the holes became a design element to the deck rather than a series of random holes. Forstner bits will give you clean perfectly round holes that look factory perfect. Any other bit will look like a mess.
 
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Old 07-02-15, 09:18 AM
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If any of the boards are exposed on the end you should be able to identify if they are T&G.
The skill saw or the holes is workable if you are steady. For the holes I would make a template with several holes in a row to ensure even spacing. As czizzi says "artfully laid out".
For the skill saw I would use an edge guide and perhaps come up with an "artfully laid out" solution as well. They also make narrow kerf blades that would be new and sharp and narrower might be good. Emphasis on the "might".

Bud
 
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