Remove curb from package and separate parts for top section base section and decks supports.
Hvacmetal roof curbs installation manual.
Complete installation of roofing and flashing per standard practice.
U afert installation of the roof curb and u before installation of the doas.
Read the entire manual carefully to become familia r with the roof curb installation procedures.
Position the clips as shown in the drawings for specific doas models.
Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector.
Mbci offers installation manuals and technical information for our many products visit our resource center for metal roofing and wall installation manuals.
Screws are inserted from outside curb inwards.
As a genera l rule the curb should be placed directly on the roof support members.
Does not address roof penetrations.
Verify curb is square and level per instruc tions above.
See page 7 for renewaire minimum attachment schedule.
Before proceeding with the installation refer to the unit submittal drawings and unit tagging for correct placement of air handler sections.
Secure the curb to the roof support members.
Attach curb to roof surface following industry ac cepted practices.
Install cant strips around the curb.
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.
Use tack welding or other suitable fastening method to secure the roof curb in place.
Remove any twist within the cu rb due to roof supports and square the curb.
In all cases the necessary installation work should be done by and under the supervision of skilled and qualified personnel.
Install insulation cant strip roo fi ng materials fl ash ing and counterfl ashing in accordance with the es.
Attach 2 sides and 2 ends.
Nail felt into place.
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Use 14x3 4 tek screws in each corner to assemble.
During the coronavirus pandemic the pate company has continued normal manufacturing sales shipping receiving and administrative operations.
Place assembled curb in proper position over roof opening.
Install 2 inch thick boards or rigid insulation around the curb.
Bring field supplied roofing felt up to the top of the curb nailing strips.
The precise steps to be taken with respect to a specific curb roof penetration or sealing may vary according to particular circumstances job con ditions and manufacturer s specifications.
Failure to review the submittal drawings could result in performance or assembly problems.
A good penetration requires more than supplying just any roof curb.
This manual includes the assembly instructions for performance air handler roof curbs.
Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems.
