Minimum Roof Curb Height Code

The mall re roofed about 2 years ago and as is typical they installed about 4 inches of insulation which lowered the curbs height from 12 to about 8 inches.

Minimum roof curb height code.

If the curb does not include a counterflashing receiver. Fasteners for asphalt shingles shall be galvanized stainless steel aluminum or copper roofing nails minimum 12 gage 0 105 inch 2 67 mm shank with a minimum 3 8 inch diameter 9 5 mm head of a length to penetrate through the roofing materials and a minimum of 3 4 inch 19 1 mm into the roof sheathing. Comply with local code requirements for minimum curb height but in no case shall curb height be less than 18 inches as measured from top of bar joist to top of curb nor shall curb height be less than 8 inches as measured from top of roof membrane to top of curb. Curb height also is determined by other factors.

In no case should the curb be less than 14 inches in height. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures. 6 inches 3 curb face in height. See figure 6 6.

Roof mounted mechanical units shall be mounted on curbs raised a minimum of 8 inches 203 mm above the roof surface or where roofing materials extend beneath the unit on raised equipment supports providing a minimum clearance height in accordance with table 1509 7. Now the hvac contractor is going to be replacing some of the. The seattle building code sbc provides minimum requirements for design and construction of new buildings. 1 2 inch 5 curb face and apron radius.

Florida building code 2010 building 1509 7 mechanical units. 6 inches 4 curb face slope in six inches. 18 inches 7 gutter thickness. Code interpretations electrical code existing building code elevator code energy code fire code mechanical code residential code what is it.

Contractor called yesterday about the minimum curb height on a roof top unit. 6 inches 8 gutter slope to curb face. Put in 4 curb and permit overhang. In some specific cases i eliminate the use of wheel stops a tripping hazard on parking adjacent to wide islands by adding two feet to the island and reducing the parking space length by two feet.

Such as need for curb side drainage enclosure after repaving. 1 inch 6 gutter width. 1 back wall of curb in height. Bottom flange top flange and drip.

Seattle has adopted the 2015 international building code with amendments specific to our city. 12 inches 2 curb top in width.