5/4 in. x 6 in. x 16 ft. Ground Contact Pressure-Treated Premium Pine Decking Board

Good question,,, One would think its kiln dried before its pressure treated so as to have the wood with less moisture in it,,, making it easier to accept and adsorb the pressure treat solution But this contradicts KDAT meaning Kiln Dried After Treatment So,,, I'm not sure ------------------------------------------------------------------------------- See americanpoleandtimber web site

Dear Chuck, On the span, its 12” on diagonal, or 16” span for perpendicular.

Tony, Unfortunately, this is not a question that we can answer for you. We suggest that you call Home Depot's customer service number. That is 1 (800) 466-3337. A representative should be able to help you with this.

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Dear CSLDeckFixer, Most decking screws are 8-gauge and, while 2 1/2 inches is the minimum length needed to hold decking boards to the joists, 3-inch screws are commonly used to provide extra holding power against the upward pressure of shrinking or warping boards. Decking screws are coated for corrosion resistance, are sharp, tapered, and self-sinking. Make sure the box says it is rated for ACQ treated wood use. Hope this helps you.

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They typically will if they have the industrial size equipment in the lumber dept. Call your local store first.

It’s stamped KD but what I found was the boards were soaked wet (saturated) with wood preservative so no you wouldn’t say they were dry.

The pressure treated 16' or 8' lengths of wood are heavy. By not removing the damp wood below, you will be significantly adding to the weight of the fence and likely shortening it's lifespan. Let it dry out-and clean it. This year I replaced several top boards on my 16 x 16 pressure treated deck. I removed the old boards completely. However, there was an old 8x8 " landing" which I did not remove originally when building the deck as it was a brand new pressure treated deck. It would provide additional support for my new larger deck without concern for rotting underneath, Some ot the 16' top boards have since needed to be replaced. Some of them ran over that existing landing I previously referred to. I was happy to see the original deck underneath was still in excellent condition and had no rot. However, before placing any wood over it, I cleaned it thoroughly of any debris, and let the sun dry the wood completely before putting any new wood over it again, I would suggest you consider doing the same thing. Let that old wood dry before you put any new wood on top of it. Cover it with plastic on rainy days, Give it at least one solid week in sunny weather before you attempt to cover the old wood with new wood -and make sure the old wood is clean. Use a screw driver and hammer and see if it goes right through the wood. If it does, pull it off-period. I am not a professional - just used some common sense-or at least what appeared to be good sense to me.

Rac, Here's some fun math for you to think about while on your floating dock made of that pressure-treated pine: (1.5x5.5)/144 = 0.0573 ft^2 area 16 feet length 0.0573 x 16 = 0.9167 ft^3 0.9167 ft^3 x 62.4 x 0.55 = 31.46 lbs -and- (1.125x5.5)/144 = 0.0430 ft^2 area 16 feet length 0.0430 x 16 = 0.6875 ft^3 0.6875 ft^3 x 62.4 x 0.55 = 23.60 lbs The wood boards are 31.46 and 23.60 pounds, respectively.