Steel Gable Truss Snow load and wind rating engineering example
Design Loads for a 40 ft. Steel Gable Truss with 2X2 Structure purchased from Metal Roofing Wholesalers.
Steel Truss Spacing = 12' Allowable Ground Snow Load = 30 PSF
Steel Truss Spacing = 10' Allowable Ground Snow Load = 35 PSF
Steel Truss Spacing = 8' Allowable Ground Snow Load = 45 PSF
Purlins to be 2x6 #1 Southern yellow pine for 12' truss Spacing
Purlins to be 2x6 #2 Southern yellow pine for 10' & 8' truss Spacing
Design Criteria - IBC 2012, 2015, & 2018
1. Design Loads per ASCE 7-10 & 7-16
2. Requirement for Steel - ASTM A-36
3. Roof Live Load = 20 PSF Dead Load = 5 PSF
4. Design Wind Speed = 115 MPH
5. Wind Risk Category 2
6. Wind Exposure Category B
7. Building Category II
Go to our Steel Truss info page to request pricing or a free quote.
Best Buy Metals Knoxville Formerly Metal Roofing Wholesalers
Phone : 865-379-7777
Fax : 865-982-4222
Hours: 7:30am-5pm ET M-F