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Attaching Plywood Tabletop

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Forum topic by Quailguy posted 02-26-2020 05:58 PM 272 views 1 time favorited 11 replies Add to Favorites Watch
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Quailguy

75 posts in 1872 days


02-26-2020 05:58 PM

I’m building an indoor dog crate for a friend. The body consists of 2” wide, 4//4 red oak with steel bars. My plan is to use furniture grade 3/4” red oak plywood, trimmed in solid oak for the top and bottom. Is ply stable enough to pocket screw it in place? I know Z-Clips would work, but am afraid they would pull out if the crate was lifted by the top.

Appreciate your help
Mike


11 replies so far

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ChefHDAN

1558 posts in 3530 days


#1 posted 02-26-2020 06:24 PM

A sketch or model would help, can’t quite picture your design, ply on the bottom with potential “moisture” problems would concern me

-- I've decided 1 mistake is really 2 opportunities to learn.. learn how to fix it... and learn how to not repeat it

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bondogaposis

5684 posts in 3032 days


#2 posted 02-26-2020 06:34 PM

Is ply stable enough to pocket screw it in place?

Yes, plywood is very stable, but it depends on what you are screwing it into. You’ll get better answers if you post a picture of your design. I’m not able to visualize what you are trying to do.

-- Bondo Gaposis

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Bill_Steele

678 posts in 2412 days


#3 posted 02-26-2020 07:09 PM

When you say Z-Clips—I assume you’re talking about the z shaped clips used to attach a tabletop to the apron and not Z-Clips that would be like a french cleat.

This….

Not this…

....and I assume you’re planning to drill pocket holes in an apron that would attach to the top and probably have a row of holes for the bars. I think that would hold fine in 3/4” plywood—assuming the crate doesn’t weigh alot (less than 100 lbs.).

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Quailguy

75 posts in 1872 days


#4 posted 02-26-2020 08:38 PM

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Quailguy

75 posts in 1872 days


#5 posted 02-26-2020 08:40 PM

This is where his dog will stay at night, so moisture won’t be a problem. The Z-Clips I’m considering is the small ones normally used to allow seasonal wood movemen.

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SMP

1889 posts in 586 days


#6 posted 02-26-2020 08:42 PM

Should be fine. The key is using the right length screws and right type. But as mentioned not if its super heavy.

If its heavy and you want to reinforce it more, can use a wider trim that wraps down part way onto the frame pieces and an air nailer and shoot in finish nails to mechanically connect the 2 from that way as well.

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Quailguy

75 posts in 1872 days


#7 posted 02-26-2020 09:02 PM

I cut 4 oak triangles that can be pocket screwed into the corners. I’m thinking I could then run screws through the triangles into the top for added strength. I generally over engineer my projects, but this time I didn’t know if my idea was still strong enough. Total weight will be in the area of 40 lbs max.
Thanks for the help. Always appreciated!

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ChefHDAN

1558 posts in 3530 days


#8 posted 02-26-2020 11:27 PM


I cut 4 oak triangles that can be pocket screwed into the corners. I m thinking I could then run screws through the triangles into the top for added strength.
- Quailguy

Nice design, certainly is more attractive than the crate in my family room. I think you’re done with the screws through the corner blocks. Use a bit slightly larger than the screw to allow a tiny bit of moment since ply won’t really move too much and attach it at the 4 corners… and your’re done!

-- I've decided 1 mistake is really 2 opportunities to learn.. learn how to fix it... and learn how to not repeat it

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Quailguy

75 posts in 1872 days


#9 posted 02-26-2020 11:49 PM

I’m sorry it’s for his German Shorthair Pointer, they just don’t deserve fine lodging. Now if it was for a pudelpointer…
Thanks

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RDan

144 posts in 3004 days


#10 posted 02-26-2020 11:49 PM

At the corners with the plywood triangles, glue the top in that area to them. You shouldn’t have a problem. I would use a cheaper plywood foe the bottom, and laminate a milk house panel or Formica to it. Dogs do have accidents and without a way to protect the floor, you will have issues. Otherwise a great design. I am just making toppers for my 2 crates. I may go this route though, if I have time after the honey do list. Dan

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Quailguy

75 posts in 1872 days


#11 posted 02-27-2020 12:21 AM

I made the corner braces from scrap white oak that I had. I plan to glue and pocket screw them in on all 4 corners. I’ll ask the owner if he wants to add something over the plywood floor (I already have the bottom cut).

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