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1.6 GUARANTEES <br /> A. Provide Roofer-Contractor joint standard written weather tightness guarantee. <br /> B. Provide roof insulation and membrane manufacturer's combined fifteen(15)years of written guarantee <br /> covering replacement of roof insulation and membrane from defects in materials and installation up to <br /> original cost of installation. <br /> PART 2--PRODUCTS <br /> 2.1 MANUFACTURERS <br /> A. Acceptable Roof Membrane Manufacturers <br /> 1. Carlisle membrane <br /> 2. Firestone membrane <br /> 3. Johns-Manville membrane <br /> 4. Versico <br /> B. Acceptable Roof Insulation Manufacturers <br /> 1. Manufacturers that comply with specification <br /> 2.2 ROOF MEMBRANE SYSTEM <br /> A. Ethylene Propylene Diene Monomer(EPDM)Systems meeting the following requirements are <br /> acceptable: <br /> Physical Properties Test Method Specification <br /> (Metric-SI Units) <br /> Color Grey-Black <br /> Specific Gravity ASTM D297 1.15+/-.03 <br /> Tensile Strength ASTM D412 1300 psi <br /> (90 MPA)Min. <br /> Elongation ASTM D412 300%Min. <br /> Tear Resistance,Die C ASTM D624 150 lbs./in.Mur. <br /> (26.3 KN/m) <br /> Shore A Hardness(5 Second Reading) ASTM D2240 60+/- 10 <br /> Ozone Resistance ASTM D1149 No Cracks <br /> 7 days/100 pphm/ <br /> 104°F(40°C)/50%Ext. <br /> Heat Aging(Accelerated) ASTM D573 Ten.Min. 1200 psi(8.3 MPA) <br /> 7 days/240°F(116°C) Elong.Min.200% <br /> Brittleness Temp. ASTM D746 -49°F(-45°C) <br /> Permeability,Water Vapor ASTM E96 2.0 Perm-Mils <br /> Proc.BW <br /> Minimum thickness of roof membrane for ballasted roof systems is to be 0.060". <br /> Minimum thickness of roof membrane flashings is to be 0.060". <br /> • <br /> B. Provide metal attachments and anchorage compatible with roof membrane. <br /> C. Provide Bonding Adhesives,Splicing Cement,Lap Sealants and Caulking products compatible with <br /> roof membrane. <br /> C13.108617-Orono,MN ROOF SYSTEM • <br /> Water Treatment System Improvements PAGE 07500-2 <br />