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post #1 of 7 (permalink) Old 06-25-2015, 04:24 PM Thread Starter
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Default Board feet

not sure if this is correct place to post this but here goes! Is there a program to figure board feet needed when you have the overall dimensions for a building? Example: my woodworking shop is 16' by 20' long with 8' high walls. It also has two gable ends but I would not include their size in computing the BF. So I am looking for how many board feet are in a area 16' x 20' x 8' tall. Does someone with more knowledge than I have able to provide me with some direction?
Thanks for all assistance!!!
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post #2 of 7 (permalink) Old 06-25-2015, 04:46 PM
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Board feet of what?
Are you talking about siding, Claude?
There are most definitely online calculators for siding. But you need to know exactly what you're trying to cover. There's overlap for instance, and if it's a T&G or shiplap type, there's losses due to the measurement of the material itself.
You're safer figuring out the net sq. footage of coverage you require and then working from that. Don't forget there's going to be wastage to be calculated in.
For sure include the gable ends in the calc; there's lots of wastage there!

Check these out...
https://www.google.ca/search?q=wood+...N9SiyASd3Y3wAQ
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post #3 of 7 (permalink) Old 06-25-2015, 04:48 PM
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I forgot to mention that the thickness of your material is critical to the calculation, if you're using BF measure.
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post #4 of 7 (permalink) Old 06-25-2015, 04:51 PM
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Figure the area of the walls and add them together. 16'x8'x2 + 20'x8'x2 = 256 sq. ft + 320 sq. ft. = 576 sq. feet surface area for the walls.

A board foot is 1' wide x 1' long by 1" thick and is usually the measurement when buying hardwoods.

When building a building, you need to think of 4'x8' dimensions, so that you can sheath it with 4'x8' sheathing. The short sides will take 4 sheets, the long sides will take 5, so you will need 18 sheets of 4x8 material to cover the walls (not counting cutouts for doors and windows. I would get a couple extra just in case. The number of sheets for the gable ends will depend on the pitch of the roof... but you can calculate that as well.

Then siding would normally go on the outside of the sheathing, depending on type.

Good luck! it's too hot here to be outside (for us wimps!)
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post #5 of 7 (permalink) Old 06-25-2015, 05:03 PM Thread Starter
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Thanks to Dan & Dan!!! Appreciate your responses. Helps a lot. Good advice.
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post #6 of 7 (permalink) Old 06-25-2015, 05:24 PM
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Oops! I forgot about Cedar shingles as siding. Whole 'nuther discussion re coverage rates. But make s a superb exterior cladding.

Maxwell: Cedar shingles a long-lasting and Canadian siding choice | Toronto Star
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post #7 of 7 (permalink) Old 06-25-2015, 05:25 PM
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Claude
If you are going to build a building this size most lumber yards or big box store will figure every thing for you including roofing a # nails doors windows
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