The basic term for describing the design strength of a sign. Standard windload is 30 PSF (pounds per square foot), which can withstand winds up to approximately 90 MPH. Heavy windload is 55 PSF, which can withstand approximately 110 MPH.
The basic term for describing the design strength of a sign. Standard windload is 30 PSF (pounds per square foot), which can withstand winds up to approximately 90 MPH. Heavy windload is 55 PSF, which can withstand approximately 110 MPH.