Finishes Manufacturer's Product Guide Vol. 1 | Page 278

Product Data Sheet EUROSPAN® EOS CEILING SYSTEM PART 1 GENERAL 1.1 Work in this section shall be subject to drawings, general conditions, schedules, addenda and other contract documents. 1.2 The extent of the system is shown on the drawings and in the schedules. 1.3 Submit samples of each type of system as shown on the drawings and in schedules and include appropriate technical information including test data and maintenance instructions. Submit fabric selector cards from manufacturer’s standard or custom finishes. 1.4 Components shall be installed according to manufacturer’s recommendations and instructions. 1.5 Installation of components shall not begin until all wet work (plastering, concrete, etc.) is completed and dry. The panels are designed for installation under standard occupancy conditions from 60°F to 85°F and not more than 80% relative humidity (RH) in an enclosed building. 1.6 The contractor shall be responsible for the examination and acceptance of all surfaces and conditions prior to the system installation, and will furnish all necessary hardware and accessories for the complete job installation. 1.7 Substitutions or changes will only be permitted by prior approval by the architect. PART 2 MATERIALS 2.1 Eurospan EOS fabric ceiling System shall include the EOS textile with a light polyurethane coating that can be cleaned with water or solvent based cleaners. 2.2 Acoustical core shall be constructed of a composite core construction of 1” thick, medium density glass fiber core with 12 mil thick face sheet of white/translucent glass mat thermally bonded to the base core finish surface. Other glass fiber cores of ½", ¾", 1", 1½", 2", 3", and 4” thickness; with various densities are available to meet specific acoustical requirements. 2.5 Acoustical Performance – in accordance with ASTM C 423 (Type E 400 Mounting) components shall have a minimum NRC of: .80 (1" thick). In accordance with ASTM C 423 (Type A Mounting) components shall have a minimum NRC of: .85 (1" thick) and .95 (2" thick). 2.6 Flammability – All system components shall meet a 25/50 Class A rating in accordance with ASTM E 84. PART 3 EXECUTION 3.1 Manufacturer’s Instructions – Comply with the instructi ۜ