ICBO Evaluation Service, Inc. 5360 WORKMAN MILL ROAD • WHITTIER, CALIFORNIA 90601-2299 A subsidiary corporation of the International Conference of Building Officials

Filing Category: ROOF COVERING AND ROOF DECK CONSTRUCTION - ROOF COVERING (202)

"S" TILE, NAPA "S" TILE, TWO-PIECE MISSION TILE, BAJA MISSION TILE, EUROBAJA TILE AND ROMAN TILE REDLAND CLAY TILE POST OFFICE BOX 430 TECATE, CALIFORNIA 91980

1.0 SUBJECT

"S" Tile, Napa "S" Tile, Two-piece Mission Tile, Baja Mission Tile, Eurobaja Tile and Roman Tile.

2.0 DESCRIPTION

2.1 Two-piece Mission Tile:

The tiles are composed of vitrified clay, machine-formed and kiln-fired to various temperatures for different burnt-on colors. Top and pan tiles are curved to approximately one third of a circle, and have widths at the large and small ends of approximately 8-1/2 and 7 inches (216 and 178 mm), respectively. An attachment hole is provided in the small end of the top tile and in the large end of the pan tile. Tiles are approximately 1/2 inch (12.7 mm) thick, 20 inches (508 mm), long, and are installed with a maximum 11-inch (279 mm) center-to-center spacing, and a minimum head lap of 3 inches (76 mm). The tiles have a vertical exposure of 17 inches (432 mm) and have an installed weight of 10.7 pounds per square foot (52.2 kg/m²). The tile may be used to trim hips, ridges and rakes, provided they are embedded in mortar or roofing mastic.

2.2 Two-piece Baja Mission Tile:

The tiles are similar to the two-piece Mission tile, except that the widths at the large and small ends are approximately 6-3/4 and 6 inches (171 and 152 mm), respectively. Tiles are installed in the same manner as identically to the two-piece Mission tile, except the horizontal spacing is 9 inches (229 mm) with a minimum head lap of 3 inches (76 mm). The installed weight of the tiles, when installed with a 9-inch (229 mm) center-to-center spacing, and a minimum head lap of 3 inches (76 mm), is 9.4 pounds per square foot (45.9 kg/m²).  

2.3 "S" Tile:

The tiles are manufactured in a manner similar to the two-piece Mission tile, except they are 18 inches (457 mm) long, 12 inches (305 mm) wide and 1/2 inch (12.7 mm) thick, with two nail holes in the pan side and one nail hole in the cover side. Various accessory tiles are available for ridges, hips ad rakes. The installed tile weight is approximately 9 pounds per square foot (43.9 kg/m²) when installed with an 11-inch (279 mm) center-to-center spacing and with a 3-inch (76 mm) head lap. See Figure 2 for details.

2.4 Eurobaja Tile:

The tiles are manufactured in a manner similar to the two-piece Mission tile, except they are flat pan-shaped with two side lips which flare out. The tiles are 17-1/2 inches (444 mm) long, and have a width of 6-3/4 inches (171 mm) tapering to 6-1/4 inches (159 mm), and are 1/2 inch (12.7 mm) thick and 2 inches (51 mm) in height to the outer edge of the side lip. An attachment nail hole is located approximately 2 inches (51 mm) from the head and the nose. The cover tile and pan tile are similar except that the nail holes are located on opposite ends. The installed weight is approximately 9.9 pounds per square foot (48.3 kg/m²) when installed with a 9-inch (229 mm) center-to-center spacing and with a minimum 3-inch (76 mm) head lap. See Figure 3 for details.

2.5 Roman Tile:

The tiles are similar to the Eurobaja tile except they are 17-3/4 inches (451 mm) long, 11 inches (279 mm) wide, 5/8 inch (15.9 mm) thick and 2-3/8 inches (60 mm) in height to the outer edge of the side lip. Two attachment nail holes are located approximately 1-1/2 inches (38 mm) from the tile head and spaced 5-1/4 inches (133 mm) apart. The cover tile and pan tile are similar except that the nail holes are located on opposite ends. The tiles are installed in the same manner as the Eurobaja tile. The tiles are installed in the same manner as the Eurobaja tile. The installed weight of the tiles is 10.1 pounds per square foot (49.3 kg/m²) when installed with an 18-inch (457 mm) center-to-center spacing, and with a minimum head lap of 3 inches (76 mm). See Figure 3 for details.

2.6 Napa "S" Tile:

The Napa "S" tile is approximately 13-3/4 inches (349 mm) long, 10-1/2 inches (267 mm) wide and 1/2 inch (12.7 mm) to 5/8 inch (15.9 mm) thick. The barrel portion of the tile rises 2.3 inches (58.4 mm) over a span of 6.45 inches (164 mm). The tile has a flat pan section approximately 2.3 inches (58.4 mm) wide, and the edge ends in a 45-degree flared lip. Two nail holes are located on the pan side and one nail slot is located on the barrel. The installed weight of the tiles is 10.5 pounds per square foot (51.3 kg/m²) when installed with an 8-1/2 inch (216 mm) center-to-center spacing, and with a minimum 3-inch (76 mm) head lap. See Figure 4.

2.7 Installation:

The tiles are installed in accordance with Table 15-D-1 of the code except as noted in this report. Nails are minimum No. 11 gage, 5/16-inch-head (7.9 mm), corrosion-resistant roofing nails having sufficient length to penetrate the sheathing at least 1 inch (25.4 mm), or extend through the sheathing, whichever is less. Approved tile ties may be used as alternates to nailing. On roof slopes over 21:12, the bottom edge of each tile must be secured with an approved clip.

Sheathing is minimum 1/2-inch-thick (12.7 mm) plywood, or code-complying solid sheathing, nailed in accordance with the code. A 1-inch-by-2-inch (25.4mm by 51 mm) cant strip is placed at the eave and fastened to the sheathing with 5d corrosion-resistant common nails. Where used, mortar must comply with requirements for Type O mortar in Chapter 21 of