2.4 The noses of all ridge, hip and rake tiles shall be set in a bead of approved roofer's mastic.

3 In snow areas, a minimum of two fasteners per tile are required, or battens and one fastener.

4 On slopes over 24 units vertical in 12 units horizontal (200% slope), the nose end of all tiles shall be securely fastened.

5 Underlayment shall comply with ASTM D 226-97.

APPENDIX B

TABLE 15-D-2

CLAY OR CONCRETE ROOFING TILE APPLICATION INTERLOCKING TILE WITH PROJECTING ANCHOR LUGS— MINIMUM ROOF SLOPE 4 UNITS VERTICAL IN 12 UNITS HORIZONTAL (33.3% SLOPE)

ROOF SLOPE 4 UNITS VERTICAL IN 12 UNITS HORIZONTAL (33.3% SLOPE) AND OVER

1. Deck requirements Per Table 15-D-1

2. Underlayment

In climate areas subject to wind-driven snow, roof, ice or Solid sheathing one layer of Type 30 6 felt lapped 3 inches special wind regions as shown in Chapter 16, Figure 16-1. (76 mm) horizontally and 6 inches (152 mm) vertically, except that extending from the eaves up the roof to line 24 inches (610 mm) inside the exterior wall line of the building, two layers of the underlayent shall be applied shingle

fashion and solid cement together with approved cementing material.

Other climates For solid sheathing, one layer of Type 30 6 felt lapped 3 (76 mm) horizontally and 6 inches (152 mm) vertically.

3. Attachment 1

Type of fasteners Hot dipped galvanized ring shank or other approved corrosion resistant nails not less than No. 11 gage, 5/16 inch (7.9 mm) head. Fasteners shall comply with the requirements of Chapter 23, Division III, Part III. Fasteners shall be long enough to penetrate through the battens 2 and into sheathing ¾ inch (19 mm) or through the thickness of the sheathing, whichever is less. Attaching wire for clay or concrete tile shall not be smaller than 0.083 inch (2.11 mm) (No. 14 B.W. gage). Horizontal battens are required on solid sheathing for slopes 7 units vertical in 12 units horizontal (58.3% slope) and over. 2 Horizontal battens are required for slopes over 7 units vertical in 12 units horizontal (58.3% slope). 2

No. of fasteners One fastener per tile.

4. Tile headlap 3-inch (76 mm) minimum

5. Flashing Per Sections 1508.4 and 1509.

1 In areas designated by the building official as being subject to repeated wind velocities in excess of 80 miles per hour (129 km/h) or where the roof height exceeds 40 feet (12 192 mm) above grade, all tiles shall be attached as set forth below: