It depends upon the species as weights can very greatly, even among softwoods, such as pine, fir, or especially cedar or cypress. Additionally, moisture content and treatments can impact the finished weight. Southern Yellow pine, fresh cut varys from 36 lbs/cubic foot (20% moisture) to 53 lbs/cubic foot for fresh cut (green). Pressure treating also adds additional moisture, thus weight.
If the lumber is from a lumber yard, not treated, kiln dried, dimensional pine lumber would typically weigh 37 lbs / cubic foot, so a 16' 2 x 4, actually 16' 1.5" x 3.5" would be:
1.5 X 3.5 X 192 = 1008 cubic inches
1728 cubic inches in a cubic foot so:
1008 / 1728 = 0. 583 cubic feet
weight of pine = 37 lbs/cubic foot X 0.583 = 21.58 lbs for a 16' 2" x 4".
or
1 1/2" = 0.125 cubic feet
3 1/2" = 0.292 cubic feet
.125 X .292 X 16 = 0.583
Depends on the kind of lumber, example 1 board-foot of white ash is 4 lbs.
1x8x16' is 42 lbs on average
A 2X6 (dry Douglas fir) weighs 2lbs per foot. Thus a 20ft 2X6 would weigh 40 lbs. Other types of lumber such as pine weighs more and all lumber is heaver when wet or if it has been treated.
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My reference says that Dry California Spruce weighs 42 pounds per cubic foot
form_title= Composite Lumber form_header= Become a handyman with composite lumber. What is the project? *= _ [50] How much lumber do you need?*= _ [50] Does the lumber need to be pretreated?*= () Yes () No
A 2 by 4 (lumber) will have a weight based on the density of the wood. Pine, fir, redwood, treated or untreated will have different densities.
A smoke tarp, about 20 - 30 lbs. A steel tarp, 50 - 80 lbs. Lumber tarps, 120 - 150 lbs.
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My husband is a lumber grader and made 59,000 last year!
10% Of how much it cost
how much lumber would i need to build a 12x20x8 shed
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