Technical Specifications
Eective 1 May 2015
TRAINING
17
SPAN CHART FOR STIFFNESS/BOUNCE
MAXIMUM
SPANS BELOW
4×2
TOP & BOTTOM
CHORDS & WEBS
LLTC=LIVE LOAD TOP CHORD (PEOPLE, FURNITURE) = 40
DLTC=DEAD LOAD TOP CHORD (FLOORING MATERIAL) = 10
LLBC=LIVE LOAD BOTTOM CHORD (STORAGE) = 0
DLBC=DEAD LOAD BOTTOM CHORD (CEILING MATERIAL) = 5
TOTAL 55# PSF
SPAN CHART FOR L/360
DEPTH ON CENTER SPACING
12" 16" 19.2" 24"
4×2 WOOD
188-4167 * 9.25" 18' 5" 18' 2" 16' 10" 13' 6"
188-4170 * 11.25" 22' 5" 21' 5" 20' 1" 17' 7"
188-4173 12" 23' 11" 21' 10" 20' 5" 19' 0"
188-4199 * 14" 27' 4" 24' 10" 23' 2" 21' 4"
188-4212 * 16" 30' 0" 27' 5" 25' 11" 23' 9"
188-4238 * 18" 32' 9" 29' 8" 28' 0" 26' 3"
188-4254 20" 35' 7" 32' 0" 30' 1" 28' 0"
188-4270 22" 37' 11" 34' 5" 32' 3" 29' 8"
188-4296 24" 40' 0" 36' 10" 34' 5" 31' 9"
* DEPTHS AVAILABLE FOR CUSTOM TRIMMABLE FLOORS.
* CUSTOM TRIMMABLE FLOORS CAN BE SINGLE OR DOUBLE END TRIMMABLE.
NOTE ON ORDER.
Floor Truss Girders
Many building designs require Floor Truss Girders. Floor Truss Girders are most often used around stairway
openings, open to below areas around Foyers and Great Rooms as well as for individual Point Loads.
Midwest Manufacturing Truss Plant must quote oor Truss Girders on a case-by-case basis.
Please call 1-715-876-3204 or 1-800-826-7126 for more information.
SPAN CHART FOR L/480
DEPTH ON CENTER SPACING
12" 16" 19.2" 24"
4×2 WOOD
188-4167 * 9.25" 18' 2" 16' 5" 15' 4" 13' 6"
188-4170 * 11.25" 21' 5" 19' 4" 18' 0" 16' 8"
188-4173 12" 22' 7" 20' 4" 19' 0" 17' 6"
188-4199 * 14" 25' 6" 23' 0" 21' 7" 19' 10"
188-4212 * 16" 28' 3" 25' 6" 23' 11" 22' 1"
188-4238 * 18" 30' 10" 27' 10" 26' 1" 24' 1"
188-4254 20" 33' 4" 30' 2" 28' 3" 26' 1"
188-4270 22" 35' 9" 32' 4" 30' 4" 28' 0"
188-4296 24" 38' 0" 34' 5" 32' 3" 29' 10"