I build lots of outdoor trellis, benches, picnic tables, garden arches, etc for family and friends. Even with a dust collector and air filter in my girage, I never use pressure treated lumber. The sawdust is extremely irritating and all the woodworking mags advise against cutting anywhere but out doors.
Jeannette Polowski Webboard User Reg: 03-12-2002
Posts: 732
Loc: Hudson Valley of NY
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Thanks for the post, great info to share. I am familiar w/ the info also.
My husband just ripped up out pressure treated front deck snd replaced it w/ stone and Ipe wood( also known as Ironwood, Diamond decking, Pao Lope)which is a Brazilian hardwood from sustainable forestry that is fire rated same as steel,doesn't rot,insect proof, and is used in marine areas for boardwalks(Atlantic City),bridges, etc.
It is sooooo beautiful, a rich chocolate brown, and is so hard you have to use a carbide blade to cut it and stainless steel fasteners(and boy is it heavy!!!!)It will last for 25-50 years untreated w/ any finish,but I am gonna put a UV protecting penetrating oil to keep the gorgeous color!
I recommend it to anyone who wants a long lasting beautiful project!!
No one ever said life was supposed to be easy, life is what you make of it!!
Thanks for nipping the wood-kennel flooring idea in the bud.
hmm...my daughter has a wooden swing-set that we built a few years back for her. Any way to tell or should I just 'presume' that's what was used w/ it??
if you used just regular PT lumber then more than likely it contains arsenic, it should say it on the wood some where if its not worn off that it is.
there was a story line on i think the "Practice" or "Law & Order" regarding swing sets made from arsenic treated wood and how it caused brain damage or birth defects in kids or something along those lines.
i believe even something that is attached to the wood indicates that you wash your hands after handling.
When new, most pressure treated lumber has a green cast to it. If it is painted or stained some say it will be safe. Some also say,as it ages the chamicals leach out of the surface, making it safer. Read all the UBB articles to varify. When I state "some say" this might be manufacturers of product so be cautious.
I printed out the MSDS (Material Safety Data Sheet) for CCA treated lumber, and it says "The effects of industrial exposure to the chromium-copper-arsenic preservative used in CCA wood has been evaluated in three independent epidemiology studies. In each case, the authors concluded that workers exposed on a daily basis to these preservative were at no increased risk of death/disease as a result of exposure." It does advise that ingesting one oz of treated wood or wood dust per 10 lbs. of body weight can result in acute arsenic intoxication. Otherwise, prolonged physical contact with it (like a dog laying on it) has sometimes been known to produce "mild, transient irritation" but apparently a dog's coat is sufficient to protect them from that. It concludes: Health Hazard: Slight, Contact Hazard: Slight.
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