It depends what the "ply" value is ... the number of layers glued together. For instance, 1/2" plywood is going to be lighter then 3/4" plywood.
A common rule of thumb is a 4x8 foot sheet of 1/4" fir plywood weighs 25 pounds. There are 32 square feet in a sheet, so a square foot of 1/4" fir plywood weighs about 0.78 pounds. Since 1/2" is twice as thick as 1/4", 1/2" fir plywood weighs twice as much, or 1.56 lbs, and 3/4" three times as much, or about 2.34 lbs.
Fir plywood is common, but other species are available. Weight varies considerably between species of wood, so be aware the weight of plywood of different species can be different.
The weight of treated plywood will depend on the size of the plywood. A 4 x 8 1/2 inch piece of treated plywood will weigh an estimated 50 pounds.
A standard sheet of the most common 3/4 inch pine plywood, 4' x 8' is about 68 pounds.
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between 68 and 70 lbs
Trick question! A single sheet of OSB weighs about 1.5 lbs per sf or 47 lbs, assuing you are asking about 7/16" thick, not 716. One sheet of plywood weighs a bit more. There is no such thing as OSB plywood! That is like asking how much does a motorcycle car cost?
I just (8.30.09) weighed a few 4X4X8'. Pressure treated (.51 ground contact rated) were between 25 and 30# depending on their moisture content. To contrast, the weight of 2X4X8 (wet, sappy, .40 treated) was 16 # each, so the 4X4X8 should weigh 32# with the same moisture content. Obviously, the moisture content of the wood causes the largest variation, so realizing that, you can only estimate the weights to be "real heavy." This was done with a bathroom scale and standing the wood up.
There are many variables to your question such as wood species, moisture content etc etc etc
how much does a swimmer weigh
Marine grade plywood and treated plywood aren't the same thing. Marine grade plywood has special glues and woods that will withstand constant immersion in water. Treated plywood is regular plywood that has been run through a pressure treating cycle. Paint will stick to treated plywood if you make sure to let it dry for a few months before you paint.
between 68 and 70 lbs
16 units
No, it is treated and manufactured under much higher pressure, free of voids, and will cost even more than exterior plywood, which is costlier than "regular" plywood.Marine plywood is good enough for boat building . But regular plywood can only be used for furniture , decoration .
178
245 lbs
Plywood can be build with different ratings. Some buildings will require a higher rating than others. There is even a fire retardant pressure treated version of plywood.
Definitely the plywood.
I would respectfully say yes if the bees were hit with treated plywood it would definitely hurt. If it is just sitting around then no sir. Just try to keep from hitting them and you will be fine!
First, do you have marine plywood or pressure-treated plywood? They are NOT the same thing. Assuming you have pressure-treated plywood, your best bet would be to use Flood CWF-UV, the Olympic equivalent of same, or Behr Premium Waterproofer. Basically, a weatherproofing product that has a little body to it. If you pick the can up and slosh it, and it sounds like a bucket of water, put that back. What you want will sound like a can of paint--much thicker. If you really do have marine plywood, the only thing I'd use would be Sikkens Cetol.
Trick question! A single sheet of OSB weighs about 1.5 lbs per sf or 47 lbs, assuing you are asking about 7/16" thick, not 716. One sheet of plywood weighs a bit more. There is no such thing as OSB plywood! That is like asking how much does a motorcycle car cost?
10000000 pounds