Building/Construction Permit Application Information
Building Code for Windows and Door – Section 10.52 Paragraph (5)
Window requirements for all structures shall be in accordance with the International Building Code, except all windows and doors shall have Design Pressure Rating (DP) both positive and negative of at least 35 in buildings with a mean roof height equal to or less than 29 feet in height.
Any building with a mean roof height of more than 29 feet in height shall be required to have a minimum Design Pressure Rating (DP) of at least 45.
In addition, all emergency egress or rescue windows from sleeping rooms when applicable must comply with Section 1030 of the IBC 2015 Code and IRC 2015 Code Section R310.