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TRI-BUILT MATERIALS GROUP CREEKSynthetic Underlayments TECHNICAL SERVICES, LLC APPLICATION INSTRUCTIONS Deck Type: The roof deck shall be constructed of closely fitted, solid sheathing for new or existing construction. Sheathing shall be installed in accordance with FBC requirements. New construction in the HVHZ shall be minimum 19/32-inch plywood. Roof decks shall have no more than 1/8-inch gap at abutting joints. Attachment method Underlayment shall be attached in accordance with the FBC Table 1507.1.1 and (non-HVHZ): manufacturer's installation instructions. Attachment method Underlayment shall be installed with a minimum 4-inch head lap and minimum 6-inch (HVHZ): end lap and be fastened as specified in FBC Section 1518.2. Allowable roof coverings Mechanically attached roof systems as prescribed in FBC Section 1507.1.1. (Non-HVHZ): Allowable roof coverings Underlayment shall be used with mechanically attached asphalt shingles, metal roof (HVHZ): panels and shingles,composite shingles and wood shingles and shakes LIMITATIONS 1) Fire Classification is not within the scope of this evaluation. 2) Wind uplift resistance is not within the scope of this evaluation. 3) Installation of the evaluated product shall comply with this report,the FBC,and the manufacturer's published application instructions. Where discrepancies exist between these sources, the more restrictive and FBC compliant installation detail shall prevail. 4) Deck substrates shall be clean, dry, and free from any irregularities and debris. All fasteners in the deck shall be checked for protrusion and corrected prior to underlayment application. 5) Roof slope limitations shall be in accordance with FBC requirements. 6) All underlayments shall be installed with the roll length parallel to the eave, starting at the eave, and lapped in success courses installed up the deck in a manner that effectively sheds water from the deck. 7) The underlayment may be used as described in other current FBC product approval documents. 8) Roof coverings shall not be adhered directly to the underlayment. Roof coverings shall be mechanically fastened through the underlayment to the roof deck. 9) The underlayment shall not be installed over existing roof coverings. 10) The underlayment shall be exposed on the roof deck for a maximum 30 days unless otherwise stated. 11) All products listed in this report shall be manufactured under a quality assurance program in compliance with Rule 61 G20-3. TBM16001.1 FL21553-R1 Page 2 of 3 This evaluation report is provided for State of Florida product approval under Rule 61G20-3. The manufacturer shall notify CREEK Technical Services,LLC of any product changes or quality assurance changes throughout the duration for which this report is valid. This evaluation report does not express nor imply warranty, installation, recommended use, or other product attributes that are not specifically addressed herein.