This wood-framed mechanical unit support detail accommodates a maximum 1500-pound unit over a ten-foot maximum span. The framing utilizes 4x10 number 2 Douglas Fir-Larch members connected with Simpson joist hangers in three typical places, tied into joists and subpurlins sized per plan. The unit curb is secured to the framing using 14-inch by 3-inch screws at each corner.
PLAN 10'-0" MAX 1500lb MAX UNIT 4x10 #2 DF-L w/ SIMPSON B HANGER TYP (3) PLACES JOIST PER PLAN 10'-0" MAX SUBPURLIN PER PLAN UNIT CURB w/ #14x3" SCREW EA CORNER A
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership