RENEW COAT

1 Single component RENEW coat . LAMBERT CORPORATION Revision: July 2011. polymer modified 20 N. COBURN AVENUE, ORLANDO, FLORIDA 32805 Supersedes all previous cementitious PHONE: (407) 841-2940 TOLL FREE: 800-432-4746. publications FAX: (407) 839-1890. resurfacing and WEBSITE: patching material. Advantages: Product Description There are four key steps to the successful installation of RENEW coat . Rapid set times open to foot traffic in 2-3 RENEW coat is a high quality, factory 1. Proper surface preparation hours prepared cementitious repair and resurfacing 2. Proper liquid/powder ratio material requiring only water to mix. It is Two formulas Fine 3. Pre-dampened substrate (F) and Coarse (C) composed of a specially formulated polymer resin, a blend of dry powder cement 4.

2 Uniform application Provides Like New ingredients and other proprietary additives appearance over old Surface Preparation designed to provide high strength and concrete reduced cracking. The resin is a high solids Improper surface preparation can result in TM. acrylic polymer that gives a better bond, less than acceptable RENEW coat . Easily placeable and performance. It is very easy to blame trowellable from 2- increased water resistance, chemical inch (C) ( ) down resistance, tensile strength, and improved adhesion problems that occur on the product to featheredge (F) flexibility over standard portland cement when poor surface preparation is really where concretes.

3 The fault lies. Increase water resistance RENEW coat is available in two To ensure proper RENEW coat . adhesion and maximum durability, the concrete Coverage: formulations; the difference being only a gradation of sand. RENEW coat - C surface must be sound - free of laitance, (Coarse) is produced with a mixture of fine cleaned of all dirt, dust, salts, loose plaster, RENEW coat F 40. and coarse sands that make it suitable for mold, mildew, algae, etc. Surface must be at lb ( ) unit yields 60-80 ft2 ( ) at broom finishing, while RENEW coat - F least 30 days old to allow for proper cement 1. /16-inch ( ) (Fine) is produced using only fine sands that hydration and release of mineral salts.

4 Salts allow for smoother more uniform finishing break down the bond of cement products such RENEW coat C 40 as RENEW coat . These salt areas need lb ( ) unit yields capabilities on shallow depth applications below -inch ( ). to be water blasted, sand blasted, or acid 70-90 ft2 ( ) at 1 etched to produce an acceptable sound and /16-inch ( ). open surface for bonding. Deep holes, See Coverage Installation cavities, and cracks must be filled prior to section for full Before using this product, please refer to placing. details the Material Safety Data Sheet for additional Water blasting with low-pressure jets may be information. Proper handling precautions effective in some cases.

5 High pressure water Packaging: MUST be followed. The conditions of use, blasting is very effective. Use a high-pressure handling, and application of this product and pump of 2000-3000 PSI ( ) - to 40 lb ( ) pail information (whether verbal or written), produce a rough surface. If pressure cleaning, including any suggested formulations and do not acid wash. recommendations, are beyond Lambert Corporation's control. Therefore, it is Acid etching has been used widely to imperative that testing be performed to remove salts, laitance and dirt from concrete. determine satisfaction and suitability for If acid etching is to be used, the surface should intended use and health, safety, and be pre-cleaned to remove any build-up of dirt environmental issues.

6 The following or other contaminants. Acid will not penetrate a information is meant as a guideline of best build-up of these materials. Correct acid industry practices. While Lambert etching procedure is as follows: Mix one part Corporation does suggest adherence to by volume muriatic or phosphoric acid into 10. these guidelines, unforeseeable variables parts water. Apply acid with plastic sprinkling and/or developed successful installer container to a pre-dampened surface. After practices may cause variation in methods application immediately brush with a stiff bristle and/or results. street broom or brush to spread the acid solution evenly over the surface, thoroughly 2003-2009 - Lambert Corporation All rights reserved.

7 RENEW coat PAGE 2 OF 2. working the surface. Wait 10 minutes or until foaming stops, water. Surface should have a profile of miniature ridges and then thoroughly rinse/flush with clean water. The rinse/flush valleys that give concrete "teeth" to form a successful bond. operation is most important in order to remove reactive Concrete substrates to be repaired must be pre-dampened but products and loose cement/aggregate. If hard/smooth no standing water should remain. Insufficient moisture at the concrete exists, a stronger acid solution may be required. bond or glue line can result in a weakened bond. Where strong acid solutions are used, it is imperative that surface be rinsed thoroughly with a 10% ammonia and water Unsealed RENEW coat is susceptible to black-marking.

8 Wash to ensure proper neutralization. from the rubberized wheels of traversing motorized vehicles. LAMBERT CORPORATION suggests the use of a silicate- . NOTE: Acid, if not neutralized, will bleed through and may based penetrating sealer such as Gardseal to prevent cause delaminating or deterioration of the RENEW coat . potential issues. Joints or cracks in the base concrete will The final (pH) of the cleaned, etched surface should be neutral telegraph through RENEW coat . For best results, install (7) or slightly alkaline. Properly etched concrete produces a new joint system, especially in larger surface areas. sandpaper finish that has the "teeth" to form a successful bond.

9 If this is not achieved, repeat etching process. Proper RENEW coat is a proven system as packaged. It is not protective clothing, such as goggles, rubber gloves and boots for use in conjunction with other dry cement mixes or with other are recommended when handling acids. If RENEW coat is concrete bonding agents. to be used to re-surface a previously painted surface, the surface should be sand blasted removing all paint. Technical Data Application - Mixing Compressive Strength 2 cubes ASTM C-109. Add clean water into a mixing container and then add the 6 Hours 1522 PSI ( ). RENEW coat to the water. Add only enough RENEW . coat to bring the mix to a smooth, lump-free consistency; 1 Day 2217 PSI ( ).

10 Approximately 40 pounds ( ) of dry mix to 3 quarts ( ). of water. Mix for 2 minutes until the material is fluid and free of 7 Days 4123 PSI ( ). lumps. If the sides of the mixer develop powder build-up, 28 Days 5271 PSI ( ). scrape sides and continue mixing until powder and lumps break up in the mix. If area to be covered is small, a 1/2-inch Set Time ( ) drill and a mixing paddle with a 5 gallon ( ) pail Initial Set 10-20 Minutes are sufficient. The 1/2-inch ( ) drill must be a variable speed drill to control the shear and mixing speed. Final Set 2 Hours 15 Minutes Bond Strength (ASTM C-882). Application - Push Broom, Trowel Test 7 Days The substrate should be misted/pre-dampened with water 2 2.