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. 364

TIAH (formerly TIAH-1315)

Enhances the beauty of most cementitious materials by providing improved resistance to weather, stains and abrasion, combined with dustproof protection.

SEALTIGHT TIAH Acrylic Concrete Sealer is a transparent, non-yellowing acrylic
co-polymer solution designed to seal and enhance the beauty of most cementitious materials.

Technical Description
SEALTIGHT TIAH Acrylic Concrete Sealer is an acrylic co-polymer solution that dries to a transparent film which improves abrasion resistance of the concrete. TIAH will not after-yellow or change the natural color of concrete. It is specially formulated to enhance the beauty of most cementitious materials. TIAH provides improved weather and stain resistance combined with a dustproof sealer.

TIAH meets maximum VOC content limit of 700 g/L for Concrete Curing and Sealing Compounds as required by the U.S. EPA Architectural Coatings Rule.

SEALTIGHT TIAH Acrylic Concrete Sealer is used on driveways, patios, industrial floors, loading docks, swimming pool areas and exposed aggregate as well as any exterior surface where protection and sealing of concrete is desired (dries to a low medium sheen).

TIAH brings out the beauty of concrete, offering improved resistance to rain, sun, freezing temperatures, stains, most acids and industrial chemicals, oil, grease, de-icing salts, cleaning agents (except aromatic solvents) and caustics, as well as airborne soot, dust and other pollutants.

Features and Benefits

bulletApplies easily...dries to the touch in 30 minutes and to traffic in one hour
bulletProvides a clear, tough, easy-to-clean film which improves abrasion and stain resistance
bulletOffers improved resistance to rain and sun, freezing temperatures, most acids and industrial chemicals, oil, grease, deicing salts, cleaning agents (except aromatic solvents), caustics, airborne soot, dust and other pollutants
bulletSeals and enhances the beauty of many cementitous surfaces for years
bulletOffers excellent foot or vehicular traffic wearing qualities
bulletRecoat after thorough surface cleaning to restore the original beauty
bulletUse in conjunction with SEALTIGHT CS-309 Curing Compound to produce an outstanding, complete concrete cure/seal system
bulletConcrete sealed with TIAH can later be painted (consult reputable paint manufacturer for compatibility) or covered with resilient flooring or carpeting, if desired
bulletDried film is USDA Accepted
bulletVOC compliant...meets the U.S. EPA Architectural Coatings Rule requirements

Application Tools

Hand Sprayer


SURFACE PREPARATION: Concrete must be clean and dry prior to application. Oil stains, grease, etc. must be removed. CAUTION: If a liquid membrane curing compound (other than CS-309) has been used, DO NOT APPLY TIAH until all traces of the compound have completely dissipated and the surface is clean and dry. We recommend SEALTIGHT ULTRITE DEGREASER for cleaning.

APPLICATION METHOD...NEW CONCRETE...For ultimate protection, use the SEALTIGHT complete cure and seal system. First, apply a uniform film of SEALTIGHT CS-309 Acrylic Curing and Sealing Compound as soon as possible after the surface water has disappeared and the concrete surface will not be marred by walking workmen. (After the first coat of CS-309 has thoroughly dried, then apply TIAH using a manual sprayer or short-nap roller.) OLD CONCRETE...Surface must be clean and dry before applying TIAH. Old stains not removed from the surface will be visible after the film dries. Do not apply TIAH if the temperature of the concrete is below 40F (4C).

SEALTIGHT TIAH should not be applied during high temperature conditions in direct sunlight. These conditions cause rapid evaporation, which does not allow the film to form properly. Under these conditions, the film may peel, bubble and/or turn white (blush).

SEALTIGHT TIAH should not be applied to concrete exposed to excessive moisture. Entrapped moisture may cause the film to peel, and/or turn white (blush).

DRYING TIME...TIAH dries quickly on new concrete...drying times may be extended on previously cured new concrete, and on old concrete. Restrict foot traffic for at least four hours...12 hours is preferable.

NOTE...For added protection and a greater sheen on the concrete, multiple coats of TIAH may be applied after the first coat of CS-309 has thoroughly dried. Naturally, this may vary depending on temperature, humidity, and project conditions.

CLEAN UP...Application equipment should be cleaned promptly after us with Xylene or Toluene.

1 gallon (3.79 liter) Cans
5 gallon (18.93 liter) Pails
55 gallon (208.20 liter) Drums

ASTM C 309, Type 1, Class B
AASHTO M 148, Type 1, Class B
ASTM C 1315, Type I, Class A
Dried film is USDA Accepted

Broomed Surface: 300 ft./gal. (7.36m/L)
Troweled Surface: 500 ft./gal. (12.27m/L)
(Coverage is approximate depending on the porosity of the surface.)


Do not apply TIAH if the temperature of the concrete is below 40F (4C). TIAH may also be applied to colored concrete, but mottling my occur. Do not paint or apply resilient flooring over TIAH without first checking the specifications and securing the approval of the paint or resilient flooring manufacturer. Do not use on non-porous surfaces or surfaces which are not uniform in porosity, i.e. brick, stone, masonry, etc. Do not use TIAH as a waterproofing sealer on masonry surfaces. The specifier and user shall determine suitability of product for specific applications and assume all responsibilities in connection therewith.

NOTE: Current use of increased amounts of various fillers, extenders or additives in the concrete mix can result in the concrete mass and finished surface having a higher than normal porosity and some very porous hot-spots. Coverage ratios must be adjusted to compensate for the resulting penetration and the additional coats required to provide proper surface treatment. Refer to Material Safety Data Sheet for complete health and safety information.

Health Hazards
Avoid direct contact with this product, as it may cause irritation of the skin and/or eyes. Inhalation of vapors may result in transient central nervous system depression. TIAH is combustible (flash point 105F).

TIAH should not be utilized in locations where food items are present.

This material last updated September, 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