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http://www.youtube.com/watch?v=O7oWaRPpdKU
---CCA wood is great for outdoor projects, though, especially for the bases of things that sit on the ground. Tool shed floors, and so on. I'm a bit skeptical about whether or not anyone actually became ill from it during the decades when it was used for playground structures. To be on the safe side, if you're using CCA wood for projects that kids will use, confine it to the parts that rest on the ground.
---The disturbing trend among safety-advocates away from focussing on actual, demonstrated hazards, and toward potential dangers or dangers that might occur under some hypothetical circumstances makes it hard to know for sure what to worry about. People have used CCA-treated wood for years on decks and playgrounds, but I never heard of anyone getting sick from unburned CCA-treated wood, and the literature in support of the ban is full of terms like "risk" instead of "illness" and a lot of speculation about potential dangers of arsenic levels that are slightly higher than guidelines beneath CCA-treated structures. The stuff is dangerous to handle in its liquid form, for sure, and plant workers have become very ill. But the literature on the danger of the installed product is full of hype and sensationalism and speculative language, and notably lacking in evidence of actual illness caused by the wood itself.
---Finding ways to recycle CCA-treated wood keeps this non-biodegradable stuff out of landfills. There are zillions of old decks made from it. This kind of wood tends to split and to corrode fasteners, so use self-tapping, coated construction screws made for use on treated lumber.
---Another safety tip: though treated wood dulls saw blades faster than regular wood, don't economize here. Dull blades generate smoke, while sharp blades generate coarse sawdust. The smoke is toxic, and will make you feel a bit nauseated, but the coarse sawdust keeps the chemicals encapsulated in the little chunks of wood, and these drop to the ground instead of going airborne.
---Damn, wouldn't the world be a better place if safety advocates and investigative journalists hadn't compromised their credibility with decades of alarmist hype, misleading sensationalism, and junk science?
Hope to see you there.
Home Repair, Refurbishment, and New Projects
The boards nailed into the blocks are incredibly stubborn and refuse to come out no matter how much force I use. If I use too much, the boards break rather than having the nails give way.
Do you have any suggestions on how to get these boards out without damaging them? The nails are hammered in very deep and are not protruding at all - is there any way to get the nails out? I'd hate to waste all that extra wood.
Thanks! Great instructable!
http://picasaweb.google.com/peter.rabid/Woodworks
picasa