Hvacmetal Roof Curbs Installation Manual
Remove curb from package and separate parts for top section base section and decks supports.
Hvacmetal roof curbs installation manual. Attach 2 sides and 2 ends. Install cant strips around the curb. 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. Place assembled curb in proper position over roof opening.
Install 2 inch thick boards or rigid insulation around the curb. As a genera l rule the curb should be placed directly on the roof support members. Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector. Before proceeding with the installation refer to the unit submittal drawings and unit tagging for correct placement of air handler sections.
Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems. Screws are inserted from outside curb inwards. Use tack welding or other suitable fastening method to secure the roof curb in place. Pate offers roof products custom curbs metal building roof curbs equipment support rails pipe supports skylights smoke vents and isolation bases.
Skip to main content shop. Read the entire manual carefully to become familia r with the roof curb installation procedures. Install insulation cant strip roo fi ng materials fl ash ing and counterfl ashing in accordance with the es. During the coronavirus pandemic the pate company has continued normal manufacturing sales shipping receiving and administrative operations.
Remove any twist within the cu rb due to roof supports and square the curb. Attach curb to roof surface following industry ac cepted practices. This manual includes the assembly instructions for performance air handler roof curbs. Mbci offers installation manuals and technical information for our many products visit our resource center for metal roofing and wall installation manuals.
Use 14x3 4 tek screws in each corner to assemble. As shown in ill. 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. U afert installation of the roof curb and u before installation of the doas.
See page 7 for renewaire minimum attachment schedule. Curbs as a component are widely available but york. Verify curb is square and level per instruc tions above. Position the clips as shown in the drawings for specific doas models.
Secure the curb to the roof support members. Failure to review the submittal drawings could result in performance or assembly problems. Nail felt into place. A good penetration requires more than supplying just any roof curb.
Does not address roof penetrations.