How many sheets? Let's see...
20 sheets of 3/4 would weigh about 1500. Stored flat that would be about
47 lbs/sq.ft load if the weight was perfectly supported over the entire area
which it can't be.
I don't think I'd want to do it.
Storing sheet goods is a real PITA.
I have a similar set up above my garage door. Why above the garage door?
To keep me from putting too much up there. Keep in mind that 3/4" plywood
is heavy, you "fasteners" need to be able to hold a lot of weight. 4 sheets
of 3/4" plywood/mdf could weigh in the 250-320 lb. range. That weight is
going to be transferred to your fasteners, and that is no only going to be
static weight. You will be pushing and pulling....
I would advise checking your ceiling joist specs but you have mentioned that
you have living space above. It should not be a problem provising you dont
get carried away with loaking it up.
Think also that you will be walking under that mass,,,, you would not want
it to fall down on top of you.
Basically I only use mine for left overs. I never buy any more plywood than
what I need for a project at the time I need the material.
Because up high storage is tough to work with , a 2 person job to load and
unload, it is less trouble for me to never have to put a sheet up there
unless absolutely necessary.
Folks who have reason to store significant numbers of 4x8 plywood
sheets lay the stuff flat, close to the floor (but not directly "on"
Examples can be found at Lowes, Home Depot, et al.
Most of us simply cannot afford the space required for this ideal
plywood storage system - especially since individual stacks are
maintained for each type and thickness obviating the need to remove
one or more sheets to get to one at or near the bottom of the stack.
It is unlikely any of us will improve upon this appraoch - or reduce
the "footprint" it demands in the process.
The answer is "short-term" storage for the average woodworker and the
various "on edge w/support" approach is likely to prove the best way
The quantity stored should reflect the operation(s) in progress and
the delivery time required for such large materials.
When it comes to large or bulky stock and materials, order what you
need a bit before you are prepared to use it seems the best approach.
A "dumpster diver" myself, I have hoarded materials over time in
anticipation of a myriad of "projects" that might someday be. So I can
commiserate with the OP's intentions and have attempted various
"solutions" to comport my need for work space with my disinclination
to turn some long-held stash into firewood.
I built a big barn, then added an extension and intend to build an
equipment shed next - and re-arrange the basement while I'm at it.
The cart shown at
seem to "do it" as the footprint appears too small to support a 4 x 8
sheet on it's long edge. In my case, I use a couple of short 2x4
"feet" attached with a 1x3 ledger strip and lay the sheets on these
feet and lean them against the shop wall
But, as mentioned, this is not a great idea for long-term storage of a
variety of sheets intended for unspecified projects to be started at
some time in the future.
As to the over-head storage idea, I'd pass. Too old any more to be
wielding 40 pound sheets of stock I can barely hold onto into a small
opening seven or eight feet above the floor. To say nothing of the
difficulty of removing the bottom sheet when it is - and none of the
others on top of it - needed for the project.
On Wed, 13 Jan 2010 17:23:46 -0800 (PST), GarageWoodworks
30 years ago I thought it was a great idea. Hung the supports for a
rack before I drywalled the ceiling. I've got some plywood I'll get
to some day up there, but its pretty much just used for dimensional
lumber now. I'm going to build something vertical now that I can keep
the sheets totally upright in and still be able to roll it out of the
way. I have a 10' ceiling. What ever I do my primary design
considerations will to be able to pull one sheet out with out having
to move any others, and having a way to hold them so they can't
develope a bow in the sheet.
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