Product Data Sheet

Product Data Sheet Edition: 01/2013 Version no: 0006 Sikaflex 1 a Overview: Sikaflex-1a is a premium-grade, high-performance, moisture-cured, one- component polyurethane-based, non-sag elastomeric sealant used in certain Sika Samafil roofing or waterproofing system flashing details. Typi- cal applications include wall, curb drain terminations, pipe pentrations and under certain metals. It can also be used as a pitch pocket sealant. Composition: See Material Safety Data Sheet for Composition. Sikaflex-la cures to a light gray or white color with a smooth texture. VOC Content: 40 g/L Features: Sikaflex-la bonds well to Sika Samafil PVC membranes and to common building materials. It is easy to apply and has excellent workability charac- teristics. Sikaflex-la is USDA-approved, NSF-approved for potable water contact, jet fuel resistant and has high elasticity curing to a tough, durable, flexible consistency with exceptional cut and tear resistance. It meets Federal Specification TT-S-0023C, Type II, Class A. It is paintable with water-, oil- and rubber-based paints. Sikaflex-la is VOC compliant in California and has excellent weatherability and resistance to degradation by ultraviolet light. Packaging: Sikaflex-la (in light gray) is packaged in 10.3 fluid oz (305 ml) disposable cartridges (24 per case). A cartridge covers approximately 12.4 linear ft (3.8 m) based on a 1/2 in (12.7 mm) bead. The actual coverage rate will vary depending on the size of the bead. A case weighs 25 lbs (11.3 kg). The shelf life is 12 months in an unopened cartridge. Sikaflex-la (in white) is packaged in 20 fluid oz (604 ml) uni-pac sausage seals (20 per case). A sausage covers approximately 24 linear ft (7.3 m) based on a 1/2 in (12.7 mm) bead. The actual coverage rate will vary de- pending on the size of the bead. A case weighs 45 lbs (20.4 kg). The shelf life is 12 months in an unopened cartridge. Installation: The recommended application temperature for Sikaflex-la is between 40°F (4°C) and 100°F (38°C). For cold weather applications, condition cartridges at approximately 70°F (21°C) and maintain that temperature until just prior to use. Do not apply over damp surfaces as this will affect adhesion and may lead to bubbling within the sealant. Clean all surfaces. Substrate must be sound, dean, dry, frost-free, and free of oil and grease. Use with adequate ventilation. Sikaflex-la is easy to apply with conven- tional caulking equipment. Avoid air entrapment when applying sealant. Do not tool with detergent or soap solutions. Material becomes tack free in about 3-4 hours'. Final cure is achieved in 4-7 days depending on temperature and humidity'. Avoid contact with alcohol and other solvent cleaners during cure. Use open cartridges the same day. Store the material in a dry area be- tween 40°F (4°C) and 95°F (35°C). 'Longer cure times when used as a pitch pocket sealant. Sarnafil® EFTA01130827 Availability: Sikaflex-1a is available directly from Sika Samafil Authorized Applica- tors when used within a Sika Samafil Roofing or Waterproofing System. Contact Sika Samafil or visit our website usa.sarnafil.sika.com for further information. Warranty: Sika Samafil will replace defective Sikafiex-la material provided the defect is identified by the Sika Sarnafil Authorized Applicator and acknowledged by Sika Samafil during the time of original installation and application. Main- tenance of this sealant or of any other sealant after original installation and application is not covered by Sika Samafil's Warranty. Maintenance: Sikaflex-la must be maintained. Sika Sarnafil recommends that the Owner or Owner's designated representative inspect the sealant at least twice a year and after each storm. Technical: Sika Samafil provides technical support. Technical staff is available to advise applicators as to the proper installation method. Technical Data: Material and curing conditions @ 73°F (23°C) and 50% R.H. Shelf Life Service Range Curing Rate Tear Strength Shore A Hardness Tensile Properties Elongation at Break Tack-free Time Tack-free to Touch Final Cure ASTM D-624 ASTM D-2240 ASTM D-412 Chemical Resistance 12 months -40°F (40°C) to 170°F (77°C) 4 hours 3 hours 4 to 7 days 55 Ibfin (9.6 N)mm) 40±5 @ 21 days Tensile Stress @ 21 days 175 psi (1.21 MPa) 550% Good resistance to water and diluted acids and alkalines Corporate Office Sika Sarnafil A Division of Sika Corporation 100 Dan Road Canton, MA 02021 Tel.: (781) 828-5400 1-800-451-2504 Fax: (781) 828-5365 Web: usa.samafil.sika.com Email: [email protected] Canada Office Sika Sarnafil A Business Unit of Sika Canada 6915 Davand Drive Mississauga, ON L5T 1L5 Tel.: (905) 670-2222 1-800-268-0479 Fax: (905) 670-5278 Web: can.sika.com Disclaimer: Alt information provided by Sika Corporation (' Sae, cu ong Sika products. including but not limited to. any recommendations and advice relating fo the application and use of Sika products. is given in good faith based on Sika's current experience and knowledge of its products when properly stored. handled and applied under normal conditions in accordance with Sika's instructions. In practice. the differences in materials. substrates. storage and handling conthans, actual site conditions and other factors outside of Sika's control are such that Sika assumes no liability for the provision of such information. advice. recommendations or instructions related:O ifs products nor shall any legal relationship be created by or Wise from the provision of such information. advice. recommendations or instructions related to ifs products. The user of the Sacs product(s) must test the products) for suitabikty for the intended application and putpose before proceeding with the full application of the product(s). Silva reserves the right to change the properties of as products without notice. All sales of Sika products) are subject to itscurrent leans and conditions of sale which are available at usa.samafil.sika.com or by carting 800-451-2504. Prior to each use of any Sika product the user must always read and follow the warnings and instruckins on the products most current Technical Data Sheet product label and Material Safely Data Sheet which are available at usasarnafitsika.com or by contacting 800-451-2504. Nothing contained in any Via materials relieves the user of the obligation to read and follow the warnings and instruction for each Sika product as set forth in the current Technical Data Sheet product label and Material Safety Data Sheet prior to product use. EFTA01130828