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Sheet goods storage rack design, is this sturdy enough?

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Forum topic by Spikes posted 12-11-2018 01:59 AM 456 views 0 times favorited 4 replies Add to Favorites Watch
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Spikes

125 posts in 464 days


12-11-2018 01:59 AM

Topic tags/keywords: question

Hi,

after working out a scrap cart it’s now time to sort out the big sheet goods pieces taking half of my floor space :(. I’m planing on resting them on the side on a storage rack. Many lumber carts have this kind of rack on one side, but I’ve decoupled it from the scrap cart and will have this fixed on the side of the shop. If it becomes an issue I’ll modify it and add casters etc, but for the time being this should do. Also as usual I’m building as cheap as possible with 2×4s and OSB.

May main concern is if this will be able to hold the weight of 5 sheets (don’t think I’ll ever have more than that) and be ok over time. Also it comes at about 6’, which means a 4×8 will have 1f overhang on each side. Is this bad/will it cause warpage/twisting? should I make it 8’ long by adding another support?

Also any thoughts about the angle? the supports are cut for 5degs.

thanks for any feedback, here’s some pics from sketchup model:

-- Don't worry about making progress, worry about practicing. If you practice you will make progress even if you don't want to.


4 replies so far

View TungOil's profile

TungOil

1273 posts in 914 days


#1 posted 12-11-2018 04:22 AM

Don’t take this the wrong way, but why Not just lean them against the wall? Unless you make this mobile I don’t see the benefit.

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

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therealSteveN

3095 posts in 993 days


#2 posted 12-11-2018 04:51 AM

I agree with TungOil. As long as you keep the orientation like you’ve planned the rack with the sheets on their sides, rather than their ends (good way to get a huge bow in your plywood) you are pretty much doing the same exact thing. If you have any big boxes that weigh a few pounds, like framing nails, or similar, put them on something to be off the floor, and place them as a stop. When you are sorting through the sheets move it first to get access.

Murphys law always places that sheet you want, closest to the wall. DAMHIKT.

If I was going to build a structure for plywood it would be like this, so you could flip the sheets like pages in a big book. Much easier to remove what you want without wearing yourself out. Also the tight spacing keeps the sheets from sagging as they can just standing up against a wall.

-- Think safe, be safe

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Spikes

125 posts in 464 days


#3 posted 12-11-2018 08:23 PM

@TungOil (and @therealSteveN since you guys agree, which is interesting) no wrong way taken, appreciate the comment, it then raises the following question for me:

is it the case that when lying on their side sheet goods won’t sag/warp? because it’s not been my experience and that’s the only reason I was bothering with making that frame, the angled support. Without I’d expect at least the first sheet against the wall to sag under its own weight over time (don’t use that stuff often).

Do you have direct experience storing plywood/mdf that way and getting no sag? what’s the weather like where you are? my workshop is a WWII sheet metal shed… I have zero climate control and while CA ain’t so bad winters in the sticks still get pretty wet and cold.

thanks

-- Don't worry about making progress, worry about practicing. If you practice you will make progress even if you don't want to.

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TungOil

1273 posts in 914 days


#4 posted 12-11-2018 09:39 PM

I think it depends on how long you intend to store your sheet goods and the environmental conditions. I’ve had plywood warp that was stored leaning against a damp block wall, but I would bet it was moisture related, not gravity related.

You might want to consider building a mobile plywood cart instead. I made mine from plywood and it’s only about 50” long x about 20” wide. By storing the ply in the center ‘V’ area, I can flip through sheets like pages of a book to pull out the piece I need. The sheets are stored almost vertically so minimum chance they will warp. If you decide to go this route use HB casters! Here’s a picture of mine, in front of my overloaded lumber rack.

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

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