Composite Decking problem

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Forum topic by richgreer posted 04-11-2012 10:01 PM 1920 views 0 times favorited 10 replies Add to Favorites Watch
View richgreer's profile


4541 posts in 3217 days

04-11-2012 10:01 PM

I know this is only a quasi-woodworking subject, but I need some input and i know this is almost always a good source.

I’m building a deck for someone. The customer wants composite decking, which I have never worked with and, frankly, don’t like much.

The decking has grooves down each side and it is secured to the joists with a special T-shaped thing that fits in the grooves and is screwed to the joist between each piece of decking.

When everything is in place I cannot tighten down the screws because my driver will not fit between the pieces of decking. The screws are #1 square drive. The problem is that the shoulders of the driver tip are not deep enough.

Is there a special driver tip for this? Am I not suppose to tighten them down?

Any advice would be appreciated.


-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

10 replies so far

View nailbanger2's profile


1041 posts in 3286 days

#1 posted 04-11-2012 10:13 PM

Rich, I wish I could help for the numerous times you have helped me and others, but I’ve never worked with the stuff. At least this post will put you back to the top of the forum list (hopefully). Good Luck!

-- Wish I were Norm's Nephew

View TopamaxSurvivor's profile


18373 posts in 3819 days

#2 posted 04-11-2012 10:13 PM

A one piece driver should fit down in there. You must be using a magnetic with a replaceable tip???

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View waho6o9's profile


8410 posts in 2720 days

#3 posted 04-11-2012 10:20 PM

I guess we would need to know what type of fasteners you have. Tigerclaw, Invis – ifast, Kreg, etc.

Mcfeelys has all sort of drivers, but you know that. Pictures maybe?

View Eagle1's profile


2066 posts in 3207 days

#4 posted 04-11-2012 10:41 PM

Kreg makes a setup for decking. I don’t know if it can be used for the composite or not.

-- Tim, Missouri ....Inside every older person is a younger person wondering what the heck happened

View a1Jim's profile


117232 posts in 3720 days

#5 posted 04-11-2012 10:55 PM

Most of them you screw down and slide the next piece on to the ones you just installed and then repeat. I’ve never had any that you have to screw in between the pieces. If your having trouble with just the open side then all you need is a longer bit.

-- wood crafting & woodworking classes

View taoist's profile


124 posts in 2634 days

#6 posted 04-11-2012 11:35 PM

The only “hidden” fastening system I ever seen on a deck is 1. the Kreg jig for decks where the fasteners are hidden between the decking planks and 2. A system that is screwed from underneath where the planks cross the joists.
With the Kreg system each plank is secured before the next one is installed next to it.

View SnowyRiver's profile


51457 posts in 3623 days

#7 posted 04-12-2012 12:07 AM

I agree with Jim, that you usually put down one piece, screw it in place, then slide the next one in and screw it down etc etc.

-- Wayne - Plymouth MN

View Mike's profile


406 posts in 2830 days

#8 posted 04-12-2012 12:23 AM


Check out Tiger Claws. I actually helped design some of these product so I am totally plugging it. I don’t work for the company anymore but try these. They work allot better than the junk you are using. Plus they are able to take allot me upheaval loading. I can send the research report if you want ;)

Tiger Claws:

The TC-G may work, but call them and ask for Dave Martel. Tell them that Mike Lepelstat sent you.

-- look Ma! I still got all eleven of my fingers! - -

View FirehouseWoodworking's profile


718 posts in 3416 days

#9 posted 04-12-2012 01:04 AM

I too agree with Jim. All the times I put down that type of decking, I screwed down one piece and then slid the next piece tight under the clips. Good luck, Rich.


-- Dave; Lansing, Kansas

View richgreer's profile


4541 posts in 3217 days

#10 posted 04-12-2012 01:32 AM

My problem is solved and I feel a little stupid.

The T-type hold-downs come with a bad of screws. In the bag of screws are a couple of driver tips that work perfectly. I just didn’t notice them initially.

Thanks for all the efforts to help.


-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

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