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/diy/ - Do It Yourself

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1130951 No.1130951 [Reply] [Original]

So I want to make my own Workbench, but bought 2x3 instead of 2x4

I tried standing in the middle of a 2x3, 8 feet long, and it does bend till it touches the floor. I weight 200 pounds.

Would a 2x4 bend as well?

>> No.1130955

>>1130951
Of course. A steel beam would also bend. It's just a matter of how much deflection the project can tolerate.

>> No.1130956

>>1130955
The problem is that I don't have any real numbers

I just want to make my own workbench/closet

I want to put all the clutter above the workbench, without risking myself into getting crushed by tons of materials above me.

>> No.1130960

>>1130956
Well, without numbers that's a bit hard to spec. Making the thing out of 2x4's would be a start. Can always add supports/legs if it sags too much. If you're intent on an 8ft span then maybe bump up the cross members to 2x6. Either way once you screw the top down to the structure the thing gets a lot stronger.

>> No.1130962

>>1130951
Are your boards dry? Also if you turn them on edge they are stronger
It's all about how you build it.

>> No.1130969

>>1130956

glue and nail them together if needed? 2x3s can hold plenty of load... if you are surprised by the deflection of a 2x when you STAND in the middle of it it doesn't sound like you have a clue what you're doing and will probably fuck it up regardless.

>> No.1130980

>>1130969
He's gotta learn somewhere. This is as good of place to start as any.

>> No.1130983

>>1130951

2x3 is plenty for building a bench, it's more about how you build it than what you build it from. I can almost guarantee that you won't put anything heavy enough to break the bench because you would need a hell of a lot more equipment wise just to lift it on to the bench.

>> No.1130986

>>1130962
>be at neighbor's house
>he shows me the storage shed he built
>metal roofing
>0 pitch
>roof rafters are 2x4s
>...laid flat on their sides

It was leaking and sagging after the first rain. His fix was to add some house jacks and gunk it up using caulking. It leaks even more, but at least it doesn't sag. lol

>> No.1131002

>>1130951
If you want a workbench for hammering and shit then the top needs to be real heavy, maybe an inch of ply for example. So it needs to take the weight. But 2x3 ain't too bad

>> No.1131023

>>1130951
If you have the $$$ to buy more 2x3's, check out Paul Sellers' workbench vids on YouTube. You don't have to do as much work as he does, but basically >>1130962 is exactly right.

>> No.1131034

>>1130986
Are you implying there is something wrong with metal roofing?

>> No.1131124

>>1130951
2x3 is more than fine, angle bracing is key.

>> No.1131257

>>1130951
Workbench should have boards vertical and will still need supports in the middle. 2x3 is okay, or keep them around for projects and go buy some 2x4s

>> No.1131301
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1131301

>>1130986
>Go to neighbor's house
>Hanging out in his garage
>His granddad built a workshop there in the 50's
>Massive fucking workbench
>Used steel legs you could buy out of the Sears tool catalog and full dimension 2x8 to frame it.
>The shelves in the garage are all made full dimension 2x8s laid on their side held between ladder frames also made of full dimension 2x8s.
>No sagging.

Do it right and only have to do it once.

>> No.1132950

>>1130951
A 4' x 8' workbench should have six legs.

>> No.1132955

>>1130951
built one last year
>80cm wide, 3m long
>three 15mm plywood panels, glued and screwed together
>45mm L-steel beams bolted to the back wall, and to both side walls
>20x20mm steel beams for feet every 60cm

>> No.1132956
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1132956

>>1132950
Indeed. I made my 4x8 bench with 6 legs, and it's been working fine. Though the top if just a 3/4" sheet of plywood. It doesn't do any heavy duty work though, so it's fine.

I would use at least 2x4's though. I used 2x6 for extra strength. I could park a car on top of mine and it wouldn't even flex.

>> No.1132958

>>1132956
Though I'm retarded... it's not 4x8, it's only 30 inches deep, not 48.

>> No.1133974

>>1131301
>using metal brackets to make a sawhorse