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# Force on Temporary Polywall

## Force on Temporary Polywall

(OP)
I have a CAE that needs to maintain a 0.04"WC DP across a temporary poly-wall divider while construction is being done. I need to calculate the lbs of force per square foot so I know if this is possible. The wall will be 122'Lx10'H. I think this is a simply P=F/A but what I am coming up with doesn't make sense.
Replies continue below

### RE: Force on Temporary Polywall

What are you coming up with?

Here is what I get:

1 psi = 27.78 "WC
so, 1" WC = 1/27.78 psi

so, 0.04" WC = 0.04/27.78 psi, which is 0.00144 psi.

Multiply by 144 to get psf. 0.00144 x 144 = 0.2073 psf

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