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 Div. 03050 Meadows  
U.S. Spec. Product Data

Guide Spec. No. 368

SEALTIGHT® VOCOMP®-20

Specifier Notes: This guide specification is written according to the Construction Specifications Institute (CSI) Format. The section must be carefully reviewed and edited by the Architect or Engineer to meet the requirements of the project. Coordinate this section with other specification sections and the drawings.

SECTION 03050

CONCRETE CURING AND SEALING COMPOUND

Specifier Notes: W.R. Meadows SEALTIGHT VOCOMP-20 Water-Base Acrylic Curing and Sealing Compound is a ready-to-use, water-base, curing and sealing compound for use on new interior and exterior concrete surfaces. 

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Acrylic curing and sealing compound for interior and exterior concrete.

1.2 RELATED SECTIONS

Specifier Notes: Edit the list of related sections as required for the project. List other sections dealing with work directly related to this section. 

A. Section 03300 - Cast-in-Place Concrete.

1.3 REFERENCES

A. AASHTO M 148 - Liquid Membrane-Forming Compounds for Curing Concrete.

Specifier Notes: Delete the following sentence if a potable water approved curing and sealing compound is not required. 

B. ANSI/NSF 61 - Drinking Water System Components - Health Effects.

C. ASTM C 309 - Liquid Membrane-Forming Compounds for Curing Concrete.

D. ASTM C 1315 - Liquid Membrane-Forming Compounds Having Special Properties for Curing and Sealing Concrete.

1.4 SUBMITTALS

A. Comply with Section 01330 - Submittal Procedures.

B. Submit manufacturer's product data and application instructions.

Specifier Notes: Delete the following sentence if a potable water approved curing and sealing compound is not required. 

C. Submit potable water approval in accordance with ANSI/NSF 61.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying product name and manufacturer.

B. Storage: Store materials in a clean dry area in accordance with manufacturer's instructions. Keep containers sealed until ready for use. Keep from freezing.

C. Handling: Protect materials during handling and application to prevent damage or contamination.

1.6 ENVIRONMENTAL REQUIREMENTS

A. Do not apply curing and sealing compound when concrete temperature is below 40 degrees F (4 degrees C).

PART 2 PRODUCTS

2.1 MANUFACTURER

A. W.R. Meadows, Inc., PO Box 338, Hampshire, Illinois 60140-0338. (800) 342-5976. (847) 683-4500. Fax (847) 683-4544. Web Site www.wrmeadows.com.

2.2 MATERIALS

A. Acrylic Concrete Curing and Sealing Compound: SEALTIGHT VOCOMP-20 Water-Base Acrylic Curing and Sealing Compound.

1. Compliance:

a. ASTM C 309, Type 1, Class B.

b. AASHTO M 148, Type 1, Class B.

c. Ultraviolet Light Degradation-Yellowing Classification: ASTM C 1315, Class A, Section 6.4.1.

d. Adhesion: ASTM C 1315, Section 8.9.

e. Potable Water Approved: ANSI/NSF 61.

Specifier Notes: Delete the above sentence if a potable water approved curing and sealing compound is not required. 

2. USDA accepted.

3. VOC Content: Meets maximum VOC content limit of 350 g/L for concrete curing compounds as required by US EPA Architectural Coatings Rule.

4. Nonyellowing.

PART 3 EXECUTION

3.1 EXAMINATION

A. Examine concrete surfaces to receive curing and sealing compound. Notify Architect if surfaces are not acceptable. Do not begin application until unacceptable conditions have been corrected.

3.2 APPLICATION

A. Apply curing and sealing compound to new concrete surfaces in accordance with manufacturer's instructions.

B. Ensure application equipment is clean and free of previously used materials.

C. Do not dilute curing and sealing compound.

D. Apply curing and sealing compound in a uniform film. Avoid puddling in low areas.

E. Apply curing and sealing compound when surface water disappears and concrete surface will not be marred by walking workmen.

F. Cure concrete surfaces as specified in Section 03300.

G. May be applied to colored concrete, but mottling may occur.

H. Do not use on brick, stone, and masonry which are not uniform in porosity or have a nonporous surface.

3.3 PROTECTION

A. Protect horizontal surfaces from foot traffic for a minimum of 12 hours after application of curing and sealing compound.

END OF SECTION
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