O'Brill Company

Construction Specialty Suppliers

       6626 N. Milwaukee Ave.

Niles, IL 60714

773-775-1122 or 847-647-0005

FAX 847-647-7819

Since 1967

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NO. 369

VOCOMP-25 (formerly VOCOMP-25-1315)

Seals, cures and enhances the beauty of concrete in one quick and easy application.

Technical Description
SEALTIGHT VOCOMP-25 Water-Base Acrylic Concrete Sealer is a ready-to-use Concrete Curing and Sealing Compound formulated of special acrylic polymers in a true water-base carrier. VOCOMP-25 provides improved resistance to rain, sun, freezing temperatures, most acids and industrial chemicals, petroleum, deicing salts, cleaning agents (except aromatic solvents), diluted caustics and other pollutants.

Color-wise, Vocomp-25 appears "milky-white" in the container and when first applied leaves a "bluish" cast on the concrete for easy visual coverage. VOCOMP-25 dries clear to provide a transparent sheen finish. The sheen can be controlled by the number of coats applied. VOCOMP-25 dries clear to provide a transparent sheen finish. The sheen can be controlled by the number of coats applied. VOCOMP-25 meets maximum VOC content limits of 700 g/L for Concrete Curing and Sealing Compounds as required by the U.S. EPA Architectural Coatings Rule.

A potable water approved product (in accordance with Standard ANSI/NSF 61-1997B 69RL) is available upon request. A copy of this approval is also available upon request.

VOCOMP-25 may be used wherever a medium or high sheen is desired to bring out the natural beauty of concrete without discoloring, checking, or peeling. It may be applied to simultaneously seal, cure and dustproof new and old, interior and exterior, horizontal and vertical concrete surfaces. VOCOMP-25 is ideal for curing, sealing and dustproofing driveways, sidewalks, patios, swimming pool areas and commercial and industrial floors.

Horizontal surfaces protected with VOCOMP-25 offer excellent wearing qualities for foot and vehicular traffic. If, after prolonged usage, traffic patterns appear, the surface can be washed clean and recoated to restore the original beauty. Good concrete and good concreting practices should be used as VOCOMP-25 is not a cure-all for improperly mixed or placed concrete.

Features and Benefits

bulletProvides a ready-to-use, non-yellowing, water-base compound that seals and protects concrete in one quick and easy application
bulletDries quickly on new concrete to provide a clear, tough, easy-to-clean sheen finish
bulletApplicable for use on new, old, interior, exterior, horizontal and vertical concrete surfaces
bulletOffers improved resistance to most chemicals, petroleum, abrasives and mortar droppings
bulletApplication tools can be cleaned with soap and water
bulletVOC-compliant...meets the U.S. EPA Architectural Coatings Rule requirements

Application tools can be cleaned with soap and water.

Application Tools

Manual Sprayer

SURFACE PREPARATION...OLD CONCRETE: Surface preparation is extremely important. Concrete must always be clean and dry, with all stains, oil, grease, dust and dirt removed prior to application. If not, they will be amplified by the transparent sheen finish. CAUTION: If a liquid compound other than VOCOMP-20, VOCOMP-25, CS-309-25 or TIAH has been used, do not apply VOCOMP-25 until all traces of the compound ahve been completely removed and the surface is clean and dry.
NEW CONCRETE: Once the concrete will accept walking workmen without marring, then the surface is ready for the application of VOCOMP-25.

APPLICATION METHOD...VOCOMP-25 is ready to use from the container. A typical commercial sprayer provides an easy, economical method of application. Use a Chapin 8001 spray tip that produces a flow of 1/10th of a gallon per minute. VOCOMP-25 should be sprayed on in a fine, fog pattern without spurts and dribbles to form a thin, continuous film. AVOID PUDDLING in low areas...if puddles occur, brush or roll them out.

DRYING TIME: VOCOMP-25 dries quickly. Drying times may be extended depending on temperature, humidity andproject conditions. Restrict foot traffic for at least 4 hours; 12 hours is preferable.

NOTE: For added protection and a greater sheen on new or old concrete, we recommend two (2) coats of VOCOMP-25 be applied at right angles.Additional coats of VOCOMP-25 may be applied after the first coat has thoroughly dried; again, this may vary depending on temperature, humidity and project conditions.

CLEANUP: While VOCOMP-25 is still wet, equipment may be cleaned with soap and water. Once dried, the material may be removed with a solvent such as Xylene or Toluene.

NOTE: Concrete floors properly sealed with VOCOMP-25 meet Section 8.9 "Adhesion of Tile Cements" of ASTM C 1315.

1 gallon (3.79 liter) Units (4 per case)
5 gallon (18.93 liter) Pails
55 gallon (208.20 liter) Drums

Broomed Surface: Approximately 300 ft./gal. (7.35m/L).
Troweled Surface: Approximately 500 ft./gal. (12.26m/L).

ASTM C 309, Type 1, Class B
ASTM C 1315, Type I, Class A
AASHTO M 148, Type 1, Class B
USDA Accepted
Potable water approved product available upon request

Limitations / Precautions
DO NOT DILUTE. Keep material from freezing. Do not apply if the temperature of the concrete is less than 40F (4C). Do not paint or apply resilient flooring over VOCOMP-25 without first checking the specifications and securing the approval of the paint or resilient flooring manufacturer. May be applied to colored concrete, bu tmottling may occur. Do not use on non-porous surfaces or surfaces which are not uniform in porosity, i.e. brick,stone, masonry, etc. Do not use VOCOMP-25 as a waterproofing sealer on masonry surfaces. Specifier and user shall determine suitability of the product for specific applications and assume all responsibilities in connection herewith.

Health Hazards
Direct contact may result in mild irritation. Avoid exposure or contact between edible items and fumes or vapors from VOCOMP-25. Refer to Material Safety Data Sheet for complete health and safety information.

This material last updated December, 2001.

W. R. MEADOWS, INC. warrants that, at the time and place we make shipment, our materials will be of good quality and will conform with our published specifications in force on the date of acceptance of the order. THE FOREGOING WARRANTY SHALL BE EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTY, EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER WARRANTIES OTHERWISE ARISING BY OPERATION OF LAW, COURSE OF DEALING, CUSTOM OF TRADE OR OTHERWISE. As the exclusive remedy for breach of this Warranty, we will replace defective materials, provided, however, that the buyer examine the materials when received and promptly notify us in writing of any defect before the materials are used or incorporated into a structure. Three (3) months after W. R. MEADOWS, INC. has shipped the materials, all our Warranty and other duties with respect to the quality of the materials delivered shall conclusively be presumed to have been satisfied, all liability therefore terminates, and no action for breach of any such duties may thereafter be commenced. W. R. MEADOWS, INC. shall in no event be liable for consequential damages. Unless otherwise agreed to in writing, no warranty is made with respect to materials not manufactured by W. R. MEADOWS, INC. We cannot warranty or in any way guarantee any particular method of use or application of the performance of materials under any particular condition. Neither this Warranty nor our liability may be extended or amended by our salesmen, distributors or representatives, or by our distributor's representatives, or by any sales information or drawings.

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Copyright 2002 O'Brill Company
Last modified: August 09, 2004