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NotEnoughIT t1_it2hzc1 wrote

I am hoping this solution is over engineered.

I want to put my full rack in my loft on the 2nd floor. I will have it as close to the exterior wall as I can.

The joists run length ways perpendicular from the wall. I am going to build a platform using two 4x8x3/4 sheets of plywood. I will use 20 slats, 2x2, running perpendicular to the joists (parallel to the wall) to spread the weight. They will be 4” apart with two joining the middle.

The weight will be upwards of 500lbs including me near the center of the platform.

Code says that the floor needs to support at least 40lbs per square foot. I know I’m not getting full distribution, but it’s gonna be 64sqft to distribute the weight over.

I gotta imagine this will be good enough? I do not slam weights.

Any thoughts?

Here's a few pictures of the proposed design: https://imgur.com/a/VWHNiGN

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--Ty-- t1_it4rwv8 wrote

Can three people stand in your room shoulder-to-shoulder? Cause that's about 540 lbs right there. Four people would be 720 lbs.

You should be fine, but in the future, use 2x4s. 2x2s have almost no rigidity (and therefore very little weight distribution)

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NotEnoughIT t1_it505ex wrote

I can still use 2x4s. Should I put them flat or vertical? Vertical I’d assume? Then I just may throw some in horizontally to prevent slippage. I went with 2x2s to make sure it couldn’t shift.

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--Ty-- t1_it51ic2 wrote

Vertically for load distribution. Vertically but going the other direction (as blocking) for stability and torsional strength.

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NotEnoughIT t1_it5bspc wrote

Thanks. I’ll add some blocking. Makes perfect sense.

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