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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1200 - White




NO. 371


Provides concrete surfaces with excellent curing and protection from the heat-producing rays of the sun.

SEALTIGHT 1200-WHITE Water-Base, Resin-Base Concrete Curing Compound is a ready-to-use, true water-base compound that when properly applied, provides an impermeable film which optimizes water retention.

Technical Description
SEALTIGHT 1200-WHITE, Water-Base, White-Pigmented Concrete Curing Compound is a resin-base dispersion with selected white pigments formulated that, when properly applied, provides an impermeable film which optimizes water retention. The white pigment reflects heat-producing sun rays to help keep the concrete surface cooler and prevent excessive heat build-up which can cause thermal cracking. SEALTIGHT 1200-WHITE is a true water-base product that meets maximum VOC content of 350 g/L for Concrete Curing Compounds as required by the U.S. EPA Architectural Coatings Rule.

SEALTIGHT 1200-WHITE is ideal for application on exterior, horizontal surfaces such as street and curb paving for excellent curing when protection from the sun's heat is desired.

Advantages and Benefits

bulletWhen properly applied, provides an impermeable film which optimizes water retention
bulletProtects by reflecting the sun's rays to keep the concrete surface cooler and prevent excessive heat buildup which can cause thermal cracking
bulletFurnished as a ready-to-use, true water-base compound
bulletProduces hard, dense concrete...minimizes hair-checking, thermal cracking, dusting and other defects
bulletEnhances the functional capabilities of concrete by "sealing in" the performance assets of strength and long life
bulletOffers a compressive strength significantly greater than improperly cured concrete
bulletIncreases tensile strength for greater resistance to cracking and surface crazing
bulletImproves abrasion resistance and minimizes corrosive action of salts and chemicals... minimizes shrinkage
bulletApplies quickly and easily with conventional, commercial spray equipment
bulletVOC-compliant meets the U.S. EPA Architectural Coatings Rule requirements

Application Tools

Manual Sprayer

Power Sprayer

Paving Train


PREPARATION: Application equipment must be clean and free of any previously used materials.

MIXING: Any settling in the drums can be easily redispersed with gentle agitation prior to use. Do not mix excessively to avoid foaming. NOTE: DO NOT MIX "WATER-BASE" COMPOUNDS WITH ANY COMPOUND CONTAINING SOLVENT.

METHOD OF APPLICATION: Spray on in one even coat with a hand or power sprayer as soon as the surface water disappears from horizontal concrete surfaces. Use a Chapin 8005, or equivalent, spray tip that produces a flow of 1/2 gallon (1.89 liters) per minute under 40 psi (.276 MPa) of pressure.

COVERAGE: Approximately 200 ft./gal. (4.9m/L).

CLEANUP: Clean application equipment with soap and water while the material is still wet.


5 gallon (18.93 liter) Pails
55 gallon (208.20 liter) Drums

Physical Properties
DRYING TIME: Depends on weather conditions and coverage, but will generally dry in 3 to 4 hours. Restrict foot traffic until completely dry.
FLASH POINT: Greater than 212F (100C).

ASTM C 309, Type 2, Class B
AASHTO M 148, Type 2, Class B
F.A.A. Item P-610-2.11
Formulated specifically for Federal, State, County and Municipal highway and airport paving projects

Do not use on patios, sidewalks or other areas where there is no wheel traffic to abrade white film surface. Do not use on surfaces that are later to be painted, tiled, hardened, sealed or treated in any manner. Do not apply when the temperature of the concrete is less than 40F (4C). DO NOT MIX WITH COMPOUNDS CONTAINING SOLVENT. DO NOT ADD OR DILUTE WITH ANY OTHER COMPOUND. KEEP FROM FREEZING. Refer to Material Safety Data for complete health and safety information.

This material last updated January, 2000.


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