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ESR-2528 Page 2 of 19 <br />3.1 Flat Tile: <br />The Flat tiles are approximately 11/2 inches (38 mm) high and are classified as Type II tiles in accordance with <br />ASTM C1492. Two nail holes are provided at the top portion of each tile, with protruding head lugs on the <br />underside to provide mechanical attachment over battens. The tiles are installed with a head lap of 3 inches <br />(76 mm) and a side lap of 1.35 inches (34 mm), and have an installed weight of 101/2 psf (51 kg/m2). See <br />Figure 1 for tile profile and dimensions with matching ridge, rake and hip units. <br />3.2 Venetian Tile: <br />The Venetian tiles are approximately 3 inches (76 mm) high and are classified as Type I tiles in accordance <br />with ASTM C1492. Two nail holes are provided at the top portion of each tile, with protruding head lugs on the <br />underside to provide mechanical attachment over battens. The tiles are installed with a head lap of 3 inches <br />(76 mm) and a side lap of 1.27 inches (32 mm), and have an installed weight of 91/2 psf (46 kg/m2). See <br />Figure 2 for tile profile and dimensions with matching ridge, rake and hip units. <br />4.0 INSTALLATION <br />4.1 General: <br />Except as otherwise noted in this report, the tiles must be installed in accordance with the Concrete and Clay <br />Roof Tile Installation Manual for Moderate Climate Regions, published by the Tile Roofing Institute, Inc., and <br />the Western States Roofing Contractors Association (herein referred to as the TRI/WSRCA installation <br />manual), dated March 2010. This report and the current TRI/WSRCA installation manual must be available at <br />the jobsite at all times during installation. <br />4.2 Adhesively Attached Systems: <br />The Flat and Venetian concrete roof tiles may be installed with roof tile adhesives that are described in a <br />current ICC-ES evaluation report for use in concrete roof tile applications. Installation of tiles using these <br />adhesively attached systems must be in accordance with the adhesive manufacturer’s ICC-ES evaluation <br />report. <br />4.3 Roof Slope Limitations: <br />Tiles must be installed on roof slopes of between 21/2:12 (21 percent) and 21:12 (175 percent). <br />4.4 Underlayment: <br />For adhesively attached systems, underlayment must be in accordance with the adhesive manufacturer’s ICC- <br />ES evaluation report. <br />4.5 Fire Classification: <br />4.5.1 2021, 2018, 2015, 2012 and 2009 IBC and IRC: When installed in accordance with this report, the Flat <br />and Venetia concrete roof tiles are Class A roof coverings in accordance with Exception 2 to IBC Section <br />1505.2 and Exception 2 to IRC Section R902.1. <br />4.5.2 2006 IBC and IRC: When installed in accordance with this report, the Flat and Venetian concrete roof <br />tiles are Class A roof coverings in accordance with the exception to IBC Section 1505.2 and IRC Section <br />R902.1. <br />4.6 Wind Resistance: <br />4.6.1 2021 IBC and 2018 IBC: For maximum basic design wind speeds of 130 mph (209 km/h) or less and <br />mean roof heights of 60 feet (18.3 m), tiles must be installed in accordance with the perspective parameters <br />of IBC Table 1507.3.7. <br />4.6.2 2021 IRC and 2018 IRC For ultimate design windspeeds of 130 mph(209 km/h) or less and mean roof <br />heights of 60 feet (18.3 m) for the IBC and mean roof heights of 40 ft (12.2m) for the IRC, tiles must be installed <br />in accordance with the perspective parameters of IBC Table 1507.3.7 or IRC Section R905.3.7. <br />4.6.3 2015 IBC, 2015 IRC and 2012 IBC: For ultimate design wind speeds (Vult) of 130 mph (209 km/h) or <br />less and mean roof heights of 60 feet (18.3 m) or less under the IBC and mean roof heights of 40 feet (12 192 <br />mm) or less under the IRC, tiles must be installed in accordance with the prescriptive parameters of IBC Table <br />1507.3.7 or IRC Section R905.3.7, as applicable. For applications beyond these prescriptive parameters, the <br />tiles and fastening systems must be designed in accordance with Appendix A of this report, Design <br />Consideration for High Wind Applications. Under the 2015 IBC and IRC and the 2012 IBC and IRC (ASCE 7- <br />10) [hereinafter referred to as Appendix A]. <br />302 E Santa Clara Ave <br />9/25/2024