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ESR-1715 I Most�dely Accepted and Trusted Page 2 of 5 building. In jurisdictions using the UBC, two layers of Limited to a minimum 15/32-inch-thick (11.9 mm) code- nonperforated, Type 15 felt applied shingle-fashion must complying plywood deck; one layer of minimum '/4-inch be installed and solid-cemented together with approved (6.35 mm) G-P Gypsum DensDeck�mechanically fastened cementing material between the plies, and must extend with all joints staggered a minimum of 6 inches from the from the eave up the roof to a line 36 inches inside the plywood joints; and one ply of Type 30 felt. exterior wall line of the building. Limited to a minimum 15/32-inch (11.9 mm) plywood or 3.6 Flashing: APA rated series OSB deck with one or more plies of Elk Flashing materials must be copper or stainless steel with a VersashieldT"' or Atlas FR 50 underlayment. minimum thickness as prescribed in Section 15072.9 of 4.5.2 Class C: To achieve a Class C rating, EcoStarT"' the IBC, Section R905.2.8 of the IRC, or Sections 1508 Majestic Slate and Seneca Cedar Shake roof tiles must be and 1509 of the UBC, as applicable. installed as noted in Sections 4.1 through 4.4. 4.0 INSTALLATION 4.6 Reroofing: 4.1 General: Existing roof coverings must be removed and the Majestic Installation of EcoStarT"' Majestic Slate and Seneca Cedar Slate or Seneca Cedar Shake products must be installed Shake roof tiles must comply with this report and the as described for new construction in Sections 4.1 through manufacturer's published installation instructions. The 4.5. manufacturer's published installation instructions must be available at the jobsite at all times during installation. 4.7 Wind Resistance: These roofing tiles must only be applied to roofs with The allowable wind uplift pressure for EcoStarT"' Majestic ventilation complying with Section 1503.5 of the IBC, Slate and Seneca Cedar Shake roof tiles as part of Section R806 of the IRC, or Section 1505.3 of the UBC, as assemblies are noted in Table 1. applicable, on solid wood, plywood or OSB sheathing, complying with the applicable code, and on roofs having a 5.0 CONDITIONS OF USE minimum slope of 3:12 (25%) for Majestic Slate Roof Tile products and 4:12 (33%) for Seneca Cedar Shake Roof The EcoStarT"' Majestic Slate and Seneca Cedar Shake Tile products, and a maximum slope of 21:12(175°/o). roof tiles described in this report complies with, or is a suitabie alternative to what is specified in, those codes 4.2 Underlayment Application: listed in Section 1.0 of this report, subject to the following Severe climate underlayment complying with Section 3.5.2 conditions. must be installed at all valleys, eaves, rake edges, vertical 5.1 Installation must comply with this report and the flashing and areas where venting is to be installed. A manufacturer's published installation instructions. In single layer of underlayment complying with Section 3.5.1 must be applied over the remaining roof deck area. the event of a conflict between the manufacturer's instructions and this report, the instructions in this 4.3 Shingle Application: report must govern. Fasteners must be in accordance with Section 3.4. 5.2 Wind uplift pressure on any area, including edge and Beginning at the eave, one layer of tile is installed with two corner zones, must not exceed the allowable wind nails per tile(in a location shown on the tiles). This layer of pressure given in Table 1. tile becomes the starter row. A second layer is similarly fastened directly over the first row (no exposure) with a The allowable wind uplift pressures given in Table 1 horizontal offset of a half tile. Subsequent tiles are similarly are for the roof covering only. The deck and framing installed up the roof slope with a 6- or 7-inch (152 or to which the covering is attached must be designed 178 mm)exposure for Majestic Slate Roof Tile products or for the applicable components and cladding wind a 7-or 8-inch(178 or 203 mm)exposure for Seneca Cedar loads in accordance with the applicable code. Where Shake Roof Tile products, and a minimum 3/8-inch required by the applicable code, the calculations must (9.5 mm) and maximum '/2-inch (13 mm) gap between be sealed by a registered design professional, and tiles. See Figure 3 for further details. presented to the code official for approval. 4.4 Hip and Ridge Units: 5.3 The tiles are manufactured in Holland, New York Prior to installation of the hip and ridge tiles field under a quality control program with inspections by underlayment, complying with Section 3.5.1, is installed Underwriters Laboratories Inc. (AA-668). so that it laps the peak of the hip or ridge a minimum of 6.0 EVIDENCE SUBMITTED 4 inches (102 mm) each way, resulting in a double layer of underlayment when a ridge vent is not used. If a ridge Data in accordance with the ICC-ES Acceptance Criteria vent is used, the underlayment is terminated at the ridge for Special Roofing Systems(AC07), dated April 2007. vent in accordance with the vent manufacturer's �0 IDENTIFICATION recommendations. Hip and ridge tiles are installed with a 6-inch (152 mm) exposure, using two fasteners located as Each tile must be identified with the EcoStarT"' name and shown in Figure 2. Fasteners attaching hip and ridge phone number, the product name (Majestic Slate or tiles must be long enough to penetrate a minimum of Seneca Cedar Shake) and the production date. Each 3/a inch (19.1 mm) into or through the sheathing, whichever bundle of tile must be labeled with the number of tiles in is less. the bundle, color of the tile, the evaluation report number 4.5 Fire Classification: (ESR-1715) and the name of the inspection agency (Underwriters Laboratories Inc.). Each pallet of bundles 4.5.1 Class A: To achieve a Class A rating, EcoStarT"^ (Majestic Slate or Seneca Cedar Shake)must be identified Majestic Slate and Seneca Cedar Shake roof coverings with the product name, production code, and color. must be installed in accordance with Sections 4.1 through 4.4 and either(a)or(b), below: