22R0069_Attachment J.1.D_Product Specifications.pdf

Attachment J.1.D: Approved Product List

SOLVENT-BASED ELASTOMERIC ROOF COATING MANUFACTURERS

Provide a high-performance base primers, intermediate coatings, and topcoats made of a proprietary blend of solvent-based polymers (SBS, SEBS, PMMA); that are from single source manufacturer. All accessory materials shall be compatible with one another and with the substrate for application.

GSA Schedule Vendors which meet the specifications include but are not limited to:

• Architectural Roof Coatings Rowlett, TX USA

• Karnak Clark, NJ USA

• US Ply Fort Worth, TX USA

• SIKA Corporation Garhoud, Dubai UAE

• Alternate Manufacturer

Substitutions shall equal these product specifications.

MATERIALS AND ACCESSORIES

Top and Base Coat: Single-component high solids polymer elastomer. The coating forms a non-breathing, high tensile strength and a highly elastic membrane which is designed to provide heat reduction, cold weather flexibility, chemical, weather and water resistance. Brush, roller, or spray grade. Gray Base Coat and Bright white Topcoat in colors:

• DynaSHIELD Lo-Odor Coating by Architectural Roof Coatings

• RC-W Elasto-Kote by KARNAK

• All Season SEBS Roof Coating by US Ply

• Silkalistic 614 by Sika

Physical Properties:

• Solids by Weight (D1644): 50 ± 2%

• Solids by Volume (D2697): 37 ± 2%

• Weight per Gallon: 9.1 lbs.

• Reflectance (Initial/Aged): 82% / 61%

• Emittance (Initial/Aged): 0.95 / 0.91

Primer Coat for adhesion to metal substrate surfaces.: Single-component high solids polymer elastomer;

brush, roller, or spray grade; gray or clear in color:

• Rust Inhibitor Primer Coating by Architectural Roof Coatings

• RC-W Elasto Kote by KARNAK

• All Season Hi-Performance Primer by US Ply

• Sikalastic metal Primer by Sika

Physical Properties:

• Solids by Weight (D1644): 8 ± 2%

• Solids by Volume (D2697): 11 ± 2%

• Weight per Gallon: 7 lbs.

Flashing Cement: Trowel grade single component, block copolymer elastomeric mastic that forms as a tough and durable elastomeric membrane. The mastic has elongation properties, cold weather pliability, UV and water resistance, chemical resistance and a highly reflective finish. May also be used in sealing interfaces with accessories such as drains, scuppers, and pitch pans.

• DynaSHIELD Flashing Grade by Architectural Roof Coatings

• 502 RC-W Elasto-Kote Seam Sealer by KARNAK

• All Season SEBS Flashing Grade by US Ply

• Sikalastic 500 Flash by Sika Physical Properties:

• Solids by Weight (calculated): 68 ± 2%

• Solids by Volume (calculated): 52 ± 2%

• Weight per Gallon: 9.4 lbs.

Polyester Reinforcing Fabric and Tape: Flexible 100% stitch bond polyester fleece sheet product of high tear strength and elongation and type or composition recommended by manufacturer for embedment of elastomeric coating. White in color. Weight: 0.9 pounds/100 SF. Size: 100mm, 150mm, and 1000mm (40 inch) width rolls:

• Topester by GAF/TopCoat

• M600 Polyester Fabric" by MEGA Industries.

• 3036 Poly-Mat by KARNAK

• Sikalastic 625 N by Sika

Physical Properties:

• Tensile Strength (ASTM D-1682): 57 lbs.

• Elongation (ASTM D-1682): 61.5%

• Mullen Burst (ASTM D-3786): 175 lbs

Accessories and Cleaners: Supplied and/or recommended by manufacturer for product installation.

• Power Washer: minimum 3500 PSI / 250cc gasoline powered engine mounted on wheels with 10-meter hose and adjustable spray pressure nozzle

• Power Drill & Mixing Paddle: heavy duty for cement, plaster, or paint. Such as Nordstrand PWTPM01 Pro Mixer Stirring Tool; 6 Speed; 1800Watt with 120mm round steel mixing paddle bit.

• Caulking: Single component, non-sag elastomeric polyurethane sealant, as recommended or supplied by membrane manufacturer for use in making airtight and watertight seals such as Dynatrol I by Pecora Corp., white color.

• Cleaning Solvent: 100% hydrocarbon for diluting solvent-based coating products and cleaning

• Mineral Spirits for thinning solvent-based coatings

• Roller Frames and Roller Sleeves; 225mm

• Brushes; 50mm, 100mm, 150mm widths

• Long stiff shop brooms

• Long soft shop brooms for embedding fabric

Membrane Repair Ply: Smooth-surfaced, fiberglass/polyester reinforced, torch grade plastic film on bottom surface asphalt modified bitumen rolled sheet. ASTM D 5147

Metal Patching: Galvanized steel 24 gage, form into continuous sheets with integral drip edge, fasteners at 100mm on center

Miscellaneous Fasteners: Appropriate for purpose intended, length required for thickness of material.

Replacement fasteners may be one size larger in diameter and depth. Select fastener finish metal to be compatible or of same metal as substrate.

Leveling and Patching Aggregate: Silica sand shall be washed, kiln-dried, and dust-free, suitable for troweling or pourable self-leveling, round grain or angular for voids ¼” to 2” in depth: 0.7 - 1.2 mm. Mixing Proportions shall be a ratio of resin to sand at 1:2 by volume.

SUBSTITUTIONS AND PRODUCT OPTIONS

Contractor's Representation: Request for substitution constitutes a representation that Contractor:

• Has investigated proposed product and determined that it is equal to or superior in all respects to that specified.

• Shall coordinate installation of accepted substitution into Work and make such other changes as may be required for Work to be complete in all respects.

• Waives all claims for additional costs, under his responsibility, related to substitution which subsequently becomes apparent.

• If substitution is not approved or accepted, Contractor shall furnish specified product.

Requests for substitutions supported with complete data, drawings, and appropriate samples shall include data listed below:

• Product description, performance and test data, and applicable reference standards.

• Changes required in other elements of Work because of substitution.

• Effect on construction schedule.