§ 1507.3.1. Deck requirements.

Concrete and clay tile shall be installed only over solid structural sheathing boards.

(Ord. 2016-0053 § 20, 2016.)

TABLE 1507.3.7
CLAY AND CONCRETE TILE ATTACHMENT ^{a, b, c}

GENERAL - CLAY OR CONCRETE ROOF TILE
Maximum Nominal Design Wind Speed, V asd f (mph)	Mean roof height (feet)	Roof slope up to <3:12	Roof slope 3:12 and over
85	0 - 60	Minimum slope: 2.5:12 Two fasteners per tile.	Two fasteners per tile.
100	0 - 40
. . .	. . .	. . .

 

INTERLOCKING CLAY OR CONCRETE ROOF TILE WITH PROJECTING ANCHOR LUGS d, e (Installations on solid sheathing with battens)
Maximum Nominal Design Wind Speed, V asd f (mph)	Mean roof height (feet)	Roof slope up to <5:12	Roof slope 5:12<12:12	Roof slope 12:12 and over
85	0 - 60	Minimum slope is 4:12. One fastener per tile.	One fastener per tile. Tiles with installed weight less than 9 lbs/sq. ft. require a minimum of one fastener per tile.	One fastener required for every tile. Tiles with installed weight less than 9 lbs./sq. ft. require a minimum of one fastener per tile.
100	0 - 40
. . .	. . .	. . .

 

INTERLOCKING CLAY OR CONCRETE ROOF TILE WITH PROJECTING ANCHOR LUGS (Installations on solid sheathing without battens)
Maximum Nominal Design Wind Speed, V asd f (mph)	Mean roof height (feet)	Minimum roof slopes 4 units vertical in 12 units horizontal Maximum slope 7 units vertical in 12 units horizontal
. . .	. . .	. . .

 

For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s, 1 pound per square foot = 4.882 kg/m .

^a Minimum fastener size. Hot dipped galvanized ring shank or other corrosion-resistant nails not less than No. 11 gage with / ₁₆ -inch head. Fasteners shall be long enough to penetrate into the sheathing 0.75 inch or through the thickness of the sheathing, whichever is less. Attaching wire for clay and concrete tile shall not be smaller than 0.083 inch and shall be copper, brass or stainless steel.

. . .

(Ord. 2016-0053 § 21, 2016.)