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Is the kreg deck jig designed for use on new composit deck materials? Do the boards have to be the non groved? When I say groved I'm not talking about those designed for the clips but the botom flate side has groves. By the way rockler is selling the jig with 7oo screws free and price is $79 that $49 worth of screws free.

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Hi Don - You're right, I was reading the 2x column not the 1x. At any rate, concerning screws, they all say the same thing; perpendicular to the board and some minimum from edges with pilot holes.

Don Dorrough said:

Trex actually recommends 16" O.C. as a maximum. We went with that and the decks are solid. The boards are flexible enough that I definitely wouldn't go any more than that, unless you're looking for a deck you can use as a trampoline...

Kreg deck  jig you are predrilling all joints.

Don Dorrough said:

Regarding Trex - Trex did have mold issues with some of the older products, but they have been resolved. We have had Trex decking for several years with no major issues of any kind. Also, as far as strength goes, Trex has every bit as much strength as regular wood and, if using the newer Transcend variety of Trex, it almost requires pre-drilling because it has a layer of PVC coating it that most self-tapping screws seem to have issues with.

The only problems we've had with it is that it is very unforgiving of errors (they show up as though under a spotlight), it can get very hot under strong sun, and the hidden fastener system Trex sells is very expensive (about $400 for 500 clips), though it does work very well and is easy to use. Don't know if I'd recommend the Kreg system for fastening them, though, as the grooves on the side are fairly tight and might obstruct the screw path.

Yes, but not perpendicular... nor X inches from an edge. You can try it if you want but I framed out an airconditioner opening with the stuff and trying to plant a screw, pilot hole and countersunk, less than an inch from any edge resulted in a fracture. I'm relatively certain placing a pocket hole in the edge of the stuff is going to be an exercise in frustration. I'd suggest you buy just one stick of it and run some tests before you sink a ton of money in it.

Gary roofner said:

Kreg deck  jig you are predrilling all joints.

Don Dorrough said:

Regarding Trex - Trex did have mold issues with some of the older products, but they have been resolved. We have had Trex decking for several years with no major issues of any kind. Also, as far as strength goes, Trex has every bit as much strength as regular wood and, if using the newer Transcend variety of Trex, it almost requires pre-drilling because it has a layer of PVC coating it that most self-tapping screws seem to have issues with.

The only problems we've had with it is that it is very unforgiving of errors (they show up as though under a spotlight), it can get very hot under strong sun, and the hidden fastener system Trex sells is very expensive (about $400 for 500 clips), though it does work very well and is easy to use. Don't know if I'd recommend the Kreg system for fastening them, though, as the grooves on the side are fairly tight and might obstruct the screw path.

They are not the same screws used with kreg jig, drill bit is much smaller and the head is also small.

I started my deck build  got corner post of the first support leveled up. except need to put pad under left pier. Then put the other 2 posts in the middle with pads under them also. Going with trex deck put down with kreg deck jig on 12" centers.

I'm removing and rebuilding a large backdooor landing and the steps down to the ground, about 8' vertical.  I was thinking about buying a Kreg Deck Jig for this project.  I'll be using the pressure-treated lumber at HomeDepot, unless someone says that Lowe's pressure-treated is better.  BTW, Woodcraft has the same deal as Rockler:  $79 for the deck jig and you get 700 screws free. 

The comments about the Deck Jig at Woodcraft.com are not the most complimentary, which surprised me.  Does anyone have any experience using the Deck Jig with pressure treated/ACQ?

(We had considered Trex for this project, but after reading the above postings, we'll stick with P-T.)

I am going with trex everything is pre drilled with the guide. I'll let you know.

 

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