Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer.
Mechanical roof curb detail.
If the roof curb will be mounted on a new building it can be assembled at any convenient location and installed as soon as the roof support members are in place.
Instructions supplied with the unit curb.
Specify prefabricated roof curbs and related products by a roof curb manufacturer not with or by the equipment manufacturer.
This guide does not address roof penetrations.
Use tack welding or other suitable fastening.
Roof curb and curb adapter specialists serving north america.
Internally insulated with 1 1 2 thick 3 lbs.
As a general rule the curb should be placed directly on the roof support members.
When you install adapter curbs welded rtu rooftop unit curbs or equipment supports for your rooftop hvac package unit going with the wrong curb adapter company can cost you big money and time.
Include a footnote in the mechanical and skylight sections that reads all roof curbs are specified in 07720 curb installation should be a part of the roof deck not on top of insulation or roofing materials.
Specify roof curbs in section 07720.
Top of all roof curbs shall be level with pitch built into curb when deck slopes.
Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems.
Become familiar with the roof curb installation procedures.