Box Truss > 20.5" x 20.5" Universal Box Truss

Allowable Uniform Loading
Span Load (PLF) Total Load Deflection
10' 890 8,900 lbs. 0.050"
20' 250 5,000 lbs. 0.263"
30' 110 3,300 lbs. 0.520"
40' 53 2,120 lbs. 0.980"
Allowable Center Point Loading
Span Total Load Deflection
10' 4,900 lbs. 0.056"
20' 2,475 lbs. 0.251"
30' 1,580 lbs. 0.530"
40' 1,105 lbs. 1.025"

Load tables are from engineering data developed by Terry - Dziadosz Associates, Inc.
Load tables and engineering data are based on load tests performed on October 11, 1995.

Copyright 2005 by Universal Manufacturing Company