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12-07-2007, 03:34 PM   #1
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## dougtpm

Is there a formula even if it's rough to calculate how much drywall to use in a house if you have the square footage?

12-07-2007, 04:06 PM   #2
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Very Very rough # that I used to use

8' Ceiling = sq.ft. x 3.14

9' Ceiling = sq.ft. x 4

Don't use it as gospel, it will get you close but is not accurate enough to order from, do a manual take off. Those numbers worked for tract homes, but add a closet or extra walls and your number is out.

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Chris

12-07-2007, 04:13 PM   #3
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Quote:
 Originally Posted by dougtpm Is there a formula even if it's rough to calculate how much drywall to use in a house if you have the square footage?
How accurate does this have to be? For ordering,measure each space unless you can get a material list as part of the plans.
Ron

12-07-2007, 06:13 PM   #4
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Quote:
 Originally Posted by dougtpm Is there a formula even if it's rough to calculate how much drywall to use in a house if you have the square footage?
You really need to sit down with the plans and calculate the runs of walls based on their lengths, then factor their ceiling heights = THAT is how you get your sf amounts.
Add sheetrock for the ceiling themselves(sf), then all other areas (above 8' heights, etc.)
I use a highlighter when doing this to mark off walls and sheet-counts as I go.

Re-check your count and the totals at least 3 times.

Remember to figure seperate numbers for 5/8" separation walls, garage, etc.
Moisture resistant sheetrock for bathrooms/washrooms.
Cement board for any areas.

Figure 1 bucket of compound per 10 sheets of sheetrock for starters. Order paper tape by the case. Order corner bead in 8 to 10 foot lengths by the case. Order screws (course thread 1/4" by the 25 lb case). Order nails for the corner bead.

If you are going to sub the drywall out, then just let the drywall contractor figure it all out...

Also, we always do a final onsite sheet count after framing is completed and prior to the final drywall material order being placed.
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