Is treated or untreated plywood more acoustically dead?

I am building a sub-woofer box out of plywood because it is not for a car so it has to be tougher and more resilient than MDF. It seems like treated plywood is weaker and bendier than ...show more

Our customer wants to install an unfinished, thin, hardwood floor over pressure treated plywood. The moisture difference between the two materials needs to be within 2% to 4%. The plywood tests at almost 20%, the hardwood between 4-6%. We need a vapor...

What's the best waterproofing agent for plywood (ceiling material)? Are there commercially available plywood/wood that have been pre-treated with waterproofing agents?

My dumb neighbor built a bunch of plywood planters and put them out in the yard where my dogs could get them. I know pressure treated wood is deadly if dogs chew it and was wondering if there is a way I can tell if it is pressure treated or not?

Anyone know any place that sell cheap treated plywood in the U.K?

there's 12-18 in. of the plywood exposed (between the ground and the siding) would using tom sons water sealer help the wood ?

I'm build a skateboard fun box and I already have the dimensions drawn out and everything but does anyone know a strong water resistant plywood that would last a long time?