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����� ��.� <br /> 4.2 Mechanicallv Fastened Underlavments: <br /> 4 2 1 Deck-ArmorT"' Premium Breathable Roof Deck Protection is a non-woven, spun-bonded <br /> polypropylene laminated polyethylene scrim sheet roof underlayment. <br /> 5. LIMITATIONS: <br /> 5.1 This Evaluation Report is not for use in the HVHZ <br /> 5 2 Fire Classification is not part of this Evaluation Report; refer to current Approved Roofing <br /> Materials Directory for fire ratings of this product. <br /> 5.3 GAF-ELK Roof Underlayments may be used with any prepared roof cover where the product is <br /> specifically referenced within FBC approval documents. If not listed, a re�quest may be made <br /> to the AHJ for approval based on this evaluation combined with supporting data for the <br /> prepared roof covering. <br /> 5.4 Unless otherwise noted below, underlayment / substrate combinations are limited as follows <br /> 5 4.1 For mechanically fastened roof covers: <br /> ➢ Self-Adhering Underlayments / Bond to Deck• Min 15/32-inch plywooci <br /> ➢ Self-Adhering Underlayments / Bond to Mechanically Attached Base Underlayment ASTM <br /> D226, Type II Felt atop FBC Chapter 26 minimum wood structural pane�ls <br /> ➢ Mechanically Attached Underlayments� FBC Chapter 26 minimum wooci structural panels <br /> 5.4 2 For bonded tile roofs: <br /> ➢ Self-Adhering Underlayments / Bond to Deck• Min 15/32-inch plywood <br /> ➢ Self-Adhering Underlayments / Bond to Mechanically Attached Base Underlayment• ASTM <br /> D226, Type II Felt atop min 19/32-inch plywood <br /> ➢ Mechanically Attached Underlayments: Min. 19/32-inch plywood <br /> 5.5 Unless otherwise noted below, allowable roof covers include mechanically attached asphalt <br /> shingles, metal roofing, slate, simulated slate, tile or wood shakes & shinqles <br /> 5.6 Install self-adhering underlayments when ambient temperatures are minimum 45°F and <br /> rising. <br /> 5.7 Decks shall be smooth, dry and free of dirt & debris For self-adhering underlayments, gaps <br /> exceeding '/a-inch require 32 ga sheet metal overlay nailed 3-inch o.c. <br /> 5.8 Liberty'"' SBS Base/Ply Sheet: <br /> 5 8 1 LibertyT"' SBS Base shall not be left exposed for longer than 30-days after installation <br /> 5.9 StormGuardO / StormGuardO Ultra-FiexT"': <br /> 5 9 1 StormGuardO shail not be left exposed for longer than 30-days after instailation <br /> 5 9.2 StormGuardO may be installed as a secondary water barrier using minirrium 4-inch wide rolls <br /> to seal plywood deck joints prior to installation of the primary underlayme°nt system <br /> 5.10 UnderRoof Tile Underlayment: <br /> 5.10 1 UnderRoof Tile Underiayment shall not be left exposed for longer Lhan 180-days after <br /> installation. <br /> Exterior Research and Design, LLC. Evaluation Report 01506.04.08 <br /> Certificate of Autho�ization #9503 FL10626 <br /> Date of Issuance: 04/25/2008 <br /> Page 3 of 9 <br />