Technical Guide

718446-YTG-B-0113
Johnson Controls Unitary Products 31
Roof Curb Cross Section
2
1"
UNIT BASE RAIL
COUNTERFLASHING
CANT STRIP
INSULATION AND ROOFING MATERIAL
ROOF DECK AND ROOFING MATERIAL
INSULATION
CURB FRAME
14"
8" MIN. ABOVE FINISHED ROOF
WOOD NAILER
UNIT BASE
3/4" x 1" WIDE GASKETING FOR CURB FRAME
AND ALL DUCT SUPPORT SURFACES