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�� <br /> 1.7 REGULATORY REQUIREMENTS <br /> A. Conform to applicable code for fire resistance ratings and surface burning <br /> characteristics. <br /> 1.8 ENVIRONMENTAL REQUIREMENTS <br /> A. Do not apply materials when temperature of substrate material and ambient air is <br /> below 60 degrees F. <br /> B. Maintain this minimum temperature before, during, and for 3 days after installation <br /> of materials. <br /> C. Provide ventilation in areas to receive solvent cured materials. <br /> r in to manufacturer's instructions <br /> PART 2 PRODUCTS (utilize appropnate system acco d g ) <br /> 2.1 SILICONE ELASTOMERIC COMPOUND � <br /> A. Manufacturers: <br /> 1. Tremco Fyre-Sil � <br /> 2. Substitutions: Under provisions of Section 01600, <br /> B. Material: Single component silicone elastomeric compound and <br /> compatible silicone sealant conforming to ASTM E-814, UL 1479, IEEE � <br /> 634. <br /> 2.2 FIBER STLJFFING � <br /> A. Manufacturers: <br /> 1. USG Thermafiber Safrng Insulation System <br /> 2. Substitutions: Under provisions of Section 01600. ,� <br /> 2.3 INTUMESCENT PUTTY <br /> A. Manufacturers: � <br /> 1. IPC Flamesafe FST 900(for(3)hour 1�`Floor floor/ceiling assembly). <br /> 2. Substitutions: Under provisions of Section 01600. <br /> B. Material: Intumescent putty compound which expands on exposure to surface heat <br /> gain; conforming to the following: UL 2552. <br /> 2.4 ACCESSORIES ` � <br /> A. Primer: Type recommended by firestopping manufacturer for specific substrate <br /> surfaces. <br /> B. Dam Material: Permanent: � <br /> 1. Mineral fiber mattmg . <br /> C. Installation Accessories: Clips, collars, fasteners, temporary stops or dams, and <br /> other devices required to position and retain materials in place. � <br /> Division 7-Section 07270 � <br /> Page 2 of 3 <br /> � <br />