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<br /> <br /> <br />Empire Slate Roof System Page 8 of 10 <br />EcoStar LLC Gold Star Spec Updated 02/2021 <br />a. GAF VersaShield underlayment (or an EcoStar approved alternate) must be installed over <br />the entire deck surface including over the Glacier Guard in conjunction with EcoStar Class A <br />Empire Slate tiles for those projects requiring a UL Class A fire rating. GAF VersaShield (or <br />an Ecostar approved alternate) should be installed per manufacturer’s specification. Install <br />Class A underlayment according to the manufacturer’s specifications. If a ridge vent is <br />required, overlap the ridge slot with the Class A underlayment and fold it back over the last <br />row of field tiles before installation of the ridge vent. <br />F. Empire Slate Tile Installation <br /> <br />1. After installing underlayment, and before installing the Empire Slate tiles, clean the surface of <br />debris and dirt. <br /> <br />2. All Empire Slate tiles come with shade variation. EcoStar tiles that have been ordered and <br />supplied to the job site under one EcoStar sales order number are blended at the factory and do <br />not need to be blended on site before installation. It is always the responsibility of the applicator <br />to make frequent inspections from the ground or other vantage point to ensure that random <br />shading occurs. EcoStar will not be held responsible for correcting the appearance of non- <br />random installations. Roofers must inspect the roof frequently to prevent customer <br />dissatisfaction. <br /> <br />NOTE: If EcoStar tiles have been supplied to the job site under two or more EcoStar sales order <br />numbers, all tiles must be blended together on site before installation. Specific blending <br />instructions can be found at www.ecostarllc.com on the “Resource Library” page. EcoStar will <br />not be held responsible for correcting the appearance of unblended installations. <br /> <br />Natural weathering will produce further shade variations, even in tiles appearing to be identical <br />in color when new. <br /> <br />3. Minimum Fastening – No less than 2 EcoStar ring shank fasteners per tile shall be used with a <br />minimum length of 1-1/2” (38 mm). Fasteners should be installed at the designated “nail here” <br />marks on the tile. Failure to fasten the tile at these locations may result in a “lifted” tile that will <br />require removal and replacement. <br /> <br />4. CAUTION: When using a pneumatic nailer, care should be taken to ensure that nails are not <br />over driven causing the tiles to curl upward. If tiles have been installed with over driven nails <br />causing the ends of the tile to curve upward, tiles will never lay flat. Overdriven tiles must be <br />removed and re-nailed properly. Never hold the tile from behind while nailing, as this will cause <br />an upward curl of the tile. <br /> <br />5. Do not install tiles against each other. A minimum gap of 3/8” (9.5 mm) must be maintained <br />between installed tiles. A minimum 3/8” (9.5 mm) gap must be maintained between installed <br />tiles and any sidewalls or roof protrusions. <br /> <br />6. It is the responsibility of the Gold Star Authorized Applicator to ensure that each Empire Slate <br />tile has been flexed to provide a downward curve prior to fastening. Do not install tiles with an <br />upward curve. <br />