Pitched Roof Curb Detail

There are many options available to make sure all building requirements are met.

Pitched roof curb detail.

Top of all roof curbs shall be level with pitch built into curb when deck slopes. Roof curb shall be internally reinforced with angles 48 on center and factory installed wood nailer. This problem is rarely addressed and roof curbs go uninsulated causing condensation problems. Hoodmart pitched curbs for roof mounted exhaust fans.

They can be selected to fit the specific type of roof such as flat pitched or ridged. Custom hoods can also be made to your specifications with quick delivery. All micrometl adjustable pitch curbs are designed to pitch up to 1 in 12 inches in any direction. Curbs ship in 3 5 business days.

Mounting curbs for the exhaust fans are made of 18 gauge galvanized steel and can be ordered as wall roof flat or roof pitched. Heights to be 8 above finished roof deck or as detailed. All curb flanges shall be pre punched at 3 max centers with 1 4 holes 1 in from outside edge of flanges. It is less expensive than a fixed welded pitch curb and offers job site flexibility.

Roof curbs are support structures for fans and ventilators. Top of all curbs for roof top equipment shall be level with pitch built into curbs. Figure 4 dunnage steel details roof curbroof curb 1x4 nailer1x4 nailer 0 438 typ 0 438 typ. Minimum curb height is 8 on shortest vertical height standard height is 12 2 x 2 treated wood nailer.

Custom sizes with any roof pitch. Self flashing features 2 self flashing base for single pitch type fcsp. The adjustable pitch curb allows an installer to inventory less curbs allows. Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.

Meaning they will set level on a roof which the roof pitch increases or decreases 1 inch in height for every 12 inches of roof extension or run. Pitched to match roof configuration allows equipment to stay level saves installation time and money by eliminating shimming provides uniform loading surface unlike shimmed curbs which rely on point loading. Height shall be a minimum of 8 above the plane of the roof panel or as detailed. 1 500 typ 1 5 0 typ curb restcu rb est gasket neoprenegasket neoprene 0 25 thk x 1 25 0 25 thk x 1 25 standard standard racewayraceway wall panelwall panel 4 084 typ 4 084 typ.