pocket joinery and wood movement question

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Forum topic by JesseTutt posted 08-13-2014 04:39 PM 1112 views 0 times favorited 1 reply Add to Favorites Watch
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854 posts in 2350 days

08-13-2014 04:39 PM

Topic tags/keywords: question wood movement workbench pocket hole

I am interested in securing my two inch thick workbench to the frame using pocket hole joinery. Along the back I want the top fixed and not moveable. Wood expansion would move the front of the top towards the woodworker.

My question is about using pocket holes along the sides and front. Is the hole size sufficiently large to allow wood movement? If not can the pocket jig be moved slightly and re-drilled to make a oblong hole? Or is there another quick, simple and foolproof way of joining the two?

I should mention that the front, side, and rear rails are 2×4s with the vertical being the four inch. Also, the shop is only heated, in the winter, when I am present; not cooled in the summer; and no dehumidifiers, so temperature and humidity swings are the worst for wood movement.

-- Jesse, Saint Louis, Missouri

1 reply so far

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12468 posts in 2620 days

#1 posted 08-14-2014 04:15 AM

I don’t see any reason why you couldn’t elongate the holes in front to allow movement. If by rail, you really mean rail (and not apron) then it will work just fine. If by chance you did mean apron then it will still work if you only screw through the back and side aprons.

-- Rick M,

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