Many today want to install a hot tub on their existing deck, if your deck was not built will the weight consideration of a hot tub chances are your existing deck will not support a hot tub even though a hot tub may only weigh 400 to 500 lbs they may hold 300 gallons of water a 7 pounds per gallon or and additional 2100 pounds add that to the weight of the tub and add the weight of the occupants you can see the weight per square is quite high. In most cases you deck can be redesigned to hold a hot tub by adding extra support check with your local building department or a qualified person to make sure the chances will support our new tub.
Today there are many choices in deck materials from the traditional cedar and redwood, to pressure treated pin and the new man made materials. The most cost effective of these choices is the pressure treated pine there are three levels of treatment and it is measured by the amount of preservative per cubic foot f lumber the bottom of these is the above grade or ground use at .15 to .25 lbs per foot use this rating for pieces that will not be in contact with the ground. The next level is for pieces that will or might be in contact with...