You don't want to make physical contact with this material, It's suppose to be buried in walls or dirt...
Treated Lumber is Treated Lumber lots of information out there and there are only 4 kinds... ALL of them carry the same warnings, Wear a mask and gloves then shower afterward... It's chemicals and the manufacturers have to protect themselves from lawsuits, so keep it out of your body... No slivers, no eating while working with it all the normal common sense stuff that courts disregard as common sense, is what you find on the sheets... The treatment is a form of Chemical Copper, so you may end up with red-headed children... Treated lumber should be used where it is in contact with soil or concrete, other wise use something else, and if it's exposed to the weather or your kids, paint it...
Buy them individually. Large order may get a discount by calling local store.
yes it is.
I have used them for my fence posts. It has been 4 years and overall not cracked or warped. I have stained/sealed the fence as well. All are still sturdy. Sun can bleach them after 2 years if not stained again.
They will NOT cut pressure treated wood. Only non-treated wood
An engineering design study. Retaining walls hold back a tremendous amount of pressure and even more weight when the ground is wet. Do some research for anything higher than 2 feet.
Absolutely and they will last more than 15 years.