On Feb 17, 4:20*pm, KC wrote:
Halleluiah! * ACQ PT lumber is on it's way out of circulation. *The
new PT lumber is called MCQ and eliminates all the corrosion problems
of ACQ. *Any exterior rated hardware can be used with it. *It's color
is barely darker than natural wood with just a slight hint of green.
Ground contact rated (0.40) has a lifetime warranty.

http://www.canfor.com/products/wood/...lumber/mcq.asp

Southern "Yella" wood has already changed over and is on the market.
Georgia Pacific is in the process of swapping out their ACQ for MCQ.
Look for the big box stores to continue selling ACQ to unknowledgeble
homeowners until all supplies are sold.

KC

What was the old stuff ACC? It lasted, and this new MCQ nobody knows
about yet. So it has a warranty The original stuff worked, the
replacement rotted and had a Lifetime bs warranty. And if its from
China you know it will rot fast.