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D. Previous Contamination can affect the bond of the resinous flooring and must be removed. Types of contamination are: 1. Oil, grease, or food fats can usually be burned off with a flame gun or removed with a commercial degreasing compound or solvent. 2. Curing compounds, sealers, and other laitance are best removed mechanically with: a. vacuum shotblasting b. scarifying c. sand blasting E. Present Condition 1. Test for moisture: Coating system bond failures on slabs on grade and elevated/lightweight concrete caused by moisture vapor transmission are the industry's largest single problem and result in extreme frustration from owners, clients, and contractors. Epoxy.com recommends testing for moisture vapor transmission. The recognized methods are:a. ASTM-F-1869 – Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride: The maximum allowed water/vapor transmission rate is 3 pounds per 1,000 square feet per 24 hours. b. ASTM F-2170 – Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using In Situ Probes: This test measures the relative humidity in the slab below the surface. If taken over a period of time, it will show the rate of drying in the slab. The maximum relative humidity should be below 80%. c. ASTM-D-4263 – Plastic Sheet Test: This test gives an indication that moisture may be present. 2. Moisture related failures can be prevented through: a. Placing new concrete over an efficient vapor barrier. b. Testing for moisture vapor transmission as prescribed above prior to resinous flooring application. c. Applying a moisture vapor transmission reduction system where moisture content is too high for successful resinous flooring applications. 3. A clean surface is necessary to establish a strong bond between the resinous flooring and concrete. 4. Resinous flooring systems are only as sound as the concrete they are applied to. All unsound concrete should be repaired or replaced prior to resinous flooring applications. Consult your EpoxySystms’ Technical Service Department for specific information. 5. Resinous flooring materials should be applied to level concrete substrates. Grind or fill high and low spots prior to application. 6. Repair cracks prior to resinous flooring applications. [Previous] [NEXT] |
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Proper mixing and installation is critical to the optimal success of all product. See Installation Tips, Techdata, & MSDS for more details on our products. Be sure to contact us with any questions and/or concerns that you have. For more information please contact: Epoxy.com Office Hours: 9AM-4PM Eastern Time (6AM-1PM Pacific Time). 321-206-1833 Customer Service - Ordering and Order Status 714-657-3826 Technical Support 352-489-1625 Fax line to all Departments Website: www.epoxy.com 24 hour Hazmat Emergency Telephone Response Service -1-800-633-8253
Copyright © 1994-2011 EPOXY.COM a division of Epoxy Systems, Inc. - Florida and Vermont. All rights reserved. Unless other wise agreed upon in writing, buyer is responsible for the cost of shipping. This information is presented in good faith to assist in determining whether this product is suitable for application. No warranty or representation, however, is intended or made, nor is protection from any law or patent to be inferred, and all patent rights reserved. Epoxy.com a division of Epoxy Systems, Inc. warrants its products (when properly stored) for the period of time as follows: Epoxies, Product #315, Product #315BC, and Product #316 one (1) year; Polyesters, Methyl Methacrylates (normal) two (2) months and Polyurethanes Four (4) months; Power Tools and Equipment 90 days; Vinyl Esters, High Molecular Weight Methacrylates (HMMA) and all other resins (not specifically mentioned above) 30 days; hand tools (non-power tools) 30 days. Epoxy.com warrants that its products will be free of manufacturing defects and will be in conformity with published specifications when handled, stored, mixed and applied in accordance with recommendations of Epoxy.com. If any product fails to meet this warranty, the liability of Epoxy.com will be limited to replacement of any non-conforming material if notice of such non-conformity is given to Epoxy.com within the warranty period for the material (as indicated above), or within 1 year of the delivery of materials (whichever is sooner). Epoxy.com may in its discretion refund the price received by Epoxy.com in lieu of replacing the material. No customer, distributor, or representative of Epoxy.com is authorized to change or modify the published specifications of this warranty in any way. No one is authorized to make oral warranties on behalf of Epoxy.com. In order to obtain replacement or refund the customer must provide written notice containing full details of the non-conformity. Epoxy.com reserves the right to inspect the non-conforming material prior to replacement. EXCEPT FOR THE EXPRESSED WARRANTY STATED ABOVE, THERE ARE NO OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE. Epoxy.com 'S OBLIGATION SHALL NOT EXTEND BEYOND THE OBLIGATIONS EXPRESSLY UNDERTAKEN ABOVE AND Epoxy.com SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO THE PURCHASER OR ANY THIRD PARTY FOR ANY LOSS, COST, EXPENSE, DAMAGE OR LIABILITY, WHETHER DIRECT OR INDIRECT, OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. All quotes and sales subject to availability. Many of our products are made on an individual order basis. Unless authorized in writing by Epoxy.com a division of Epoxy Systems, Inc. in writing before the material is made, there are no returns on items purchased from us, once the order has been processed, and the material made. In the event of authorized returns a restocking charge will be charged in the amount of 30% of the value of the material returned or $150 whichever is greater. No returns on non-list priced items. All Returns are for merchandise (store) credit only, no cash or credit card credits. In the event of a return, buyer is responsible for the cost of shipping and handling in both directions.
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