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#1
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Approx Weight of treated 4 x 6 ??
Anyone have any idea of the approximate weight of a pressure-treated 4 x 6 timber, 8 ft long ? These are treated at .40 rating. I assume they are made of yellow pine ?? I know the weight would vary by how long the posts have been outside, asorbing air moisture, etc etc, but I am looking for an approximation, based on posts that are 3 -4 months aged. Thanks for any info !! --james-- |
#2
Posted to alt.building.construction,alt.home.repair
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Approx Weight of treated 4 x 6 ??
James wrote: Anyone have any idea of the approximate weight of a pressure-treated 4 x 6 timber, 8 ft long ? These are treated at .40 rating. I assume they are made of yellow pine ?? I know the weight would vary by how long the posts have been outside, asorbing air moisture, etc etc, but I am looking for an approximation, based on posts that are 3 -4 months aged. Southern Yellow Pine weighs in at a little over 40 pounds per cubic foot. Your 4x6 8 footer is just over a cubic foot. So an untreated dried piece would weigh about 40-45 pounds. If it's treated and still partially wet, you'd be looking at another 10 pounds or so. R |
#3
Posted to alt.building.construction,alt.home.repair
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Approx Weight of treated 4 x 6 ??
RicodJour wrote: James wrote: Anyone have any idea of the approximate weight of a pressure-treated 4 x 6 timber, 8 ft long ? These are treated at .40 rating. I assume they are made of yellow pine ?? I know the weight would vary by how long the posts have been outside, asorbing air moisture, etc etc, but I am looking for an approximation, based on posts that are 3 -4 months aged. Southern Yellow Pine weighs in at a little over 40 pounds per cubic foot. Your 4x6 8 footer is just over a cubic foot. So an untreated dried piece would weigh about 40-45 pounds. If it's treated and still partially wet, you'd be looking at another 10 pounds or so. From my experience, very wet PT lumber almost doubles in weight. Something to consider if weight is a factor. Bob |
#4
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Approx Weight of treated 4 x 6 ??
On Mon, 12 Jun 2006 22:31:59 -0400, "James"
wrote: Anyone have any idea of the approximate weight of a pressure-treated 4 x 6 timber, 8 ft long ? These are treated at .40 rating. I assume they are made of yellow pine ?? I know the weight would vary by how long the posts have been outside, asorbing air moisture, etc etc, but I am looking for an approximation, based on posts that are 3 -4 months aged. about 70 pounds, +/- 20. http://www.reade.com/Particle_Briefings/spec_gra2.html says that southern yellow pine should be around 45 pounds per cubic foot. http://www.treatedwood.com/products/generalfaq.html says that freshly treated wood may have as much as 38 pounds of water per cu.ft, which will eventually dry out leaving around 0.40 pounds per cubic foot of actual preservative. a an 8' 4x6 is actually about 3.5 x 5.5 x 96 inches, which works out to about 1.07 cubic feet. |
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