Division 7 Ebook Page 597 ESR-3007, VentSure Ridge Vents

ESR-3007 Most Widely Accepted and Trusted Page 2 of 3 ridge vents to the sheathing. The shingle fasteners must be long enough to meet the fastener embedment requirements of the shingle manufacturer. 4.4 Fire Classified Roof Covering: VentSure ridge vents are limited to installation with nonclassified asphalt shingle roof coverings unless the following conditions are met: 1. VentSure ridge vents must not be installed where roofs are required to have a fire-resistance rating unless the building is equipped throughout with an automatic sprinkler system in accordance with IBC Section 903.3.1.1. 2. The maximum area of a continuous ridge vent is 300 square feet (27.9 m 2 ) and the aggregate area of the vents and any light-transmitting roof panels does not exceed 30 percent of the floor area served. 3. Individual attic vents must be separated from each other and any light-transmitting roof panels by a distance of not less than 4 feet (1220 mm) measured in the horizontal plane, unless the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 of the IBC. 4. VentSure ridge vents must not be installed within 6 feet (1830 mm) of any exterior wall required by Section 705.8 of the 2009 IBC (Section 704.8 of the 2006 IBC) to have protected wall openings. 5.0 CONDITIONS OF USE The VentSure ridge vents described in this report comply with, or are suitable alternatives to what is specified in, those codes listed in Section 1.0 of this report, subject to the following conditions: 5.1 The ridge vents must be installed in accordance with this report and the report holder's published installation instructions. The report holder's published installation instructions must be available on the jobsite at all times during construction. In the event of a conflict between the report holder's published instructions and this report, this report governs. 5.2 VentSure ridge vents are limited to installation on roofs having a minimum slope of 3:12 (25 percent slope), and a maximum slope of 16:12 (133 percent slope). 5.3 VentSure ridge vents are limited to installation with nonclassified asphalt shingle roof coverings unless installed in accordance with Section 4.4. 5.4 Use of VentSure ridge vents is not permitted in Groups H, I-2, and I-3 occupancies. 5.5 Where roof diaphragm continuity is affected by the installation of ridge vents, roof diaphragm nailing requirements must be addressed in accordance with the applicable code, and the vent installation must be approved by the code official. 6.0 EVIDENCE SUBMITTED Data in accordance with the ICC-ES Acceptance Criteria for Attic Vents (AC132), dated February 2010. 7.0 IDENTIFICATION Labels on the packages of ridge vents bear the report holder's name (Owens Corning Roofing and Asphalt, LLC) and address, the VentSure product name, and the ICC-ES evaluation report number (ESR-3007). Each individual vent is identified with the Owens Corning Roofing and Asphalt company name, the ICC-ES evaluation report number, and the net-free ventilation area.

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