Valspar Flooring August, 2006

1191 Wheeling Rd

Chicago, Illinois 60090

Toll-Free: (800) 637-7793

Phone: (847) 541-9000

Fax: (847) 541-2752

www.valsparflooring.com

Specifier Notes: This product guide specification is written according to the Construction Specifications Institute (CSI) Format, including MasterFormat (1995 Edition), SectionFormat, and PageFormat, contained in the CSI Manual of Practice.
The section must be carefully reviewed and edited by the Architect to meet the requirements of the project and local building code. Coordinate with other specification sections and the drawings.
Delete all "Specifier Notes" when editing this section.

SECTION 03 9920

EC-11 Epoxy Aggregate Binder

Specifier Notes: This section covers Valspar Flooring “EC-11 Epoxy Aggregate Binder.”
EC-11 is a clear, pigmentable binder for epoxy mortar systems (1/8" to 1/4") used to overlay, resurface and repair worn or eroded concrete floors in light- to heavy-duty industrial use. Low odor. Two component.
The graded aggregate is furnished separately.
EC-11 conforms to USDA guidelines for use in federally inspected meat and poultry plants.
Consult Valspar Flooring for assistance in editing this section for the specific application.

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Epoxy aggregate binder to be mixed with graded aggregate to patch, resurface and repair interior concrete floors.

1.2 RELATED SECTIONS

Specifier Notes: Edit the following list as required for the project. List other sections with work directly related to the floor coating.

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

B. Section 03930 - Concrete Rehabilitation.

1.3 REFERENCES

Specifier Notes: List standards referenced in the section, complete with designations and titles. This article does not require compliance with standards, but is merely a listing of those used.

A. ACI 503R - Use of Epoxy Compounds With Concrete.

B. ASTM C 307 - Tensile Strength of Chemical-Resistant Mortar, Grouts, and Monolithic Surfacings.

C. ASTM C 580 - Flexural Strength and Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes.

D. ASTM C 597 - Pulse Velocity Through Concrete.

E. ASTM D 635 - Rate of Burning and/or Extent and Time of Burning of Self-Supporting Plastics in a Horizontal Position.

F. ASTM D 2240 - Rubber Property - Durometer Hardness.

G. ASTM D 2794 - Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact).

H. ASTM D 4258 - Surface Cleaning Concrete for Coating.

I. ASTM D 4259 - Abrading Concrete.

J. ASTM D 4260 - Acid Etching Concrete.

K. ASTM D 4262 - pH of Chemically Cleaned or Etched Concrete Surfaces.

1.4 SUBMITTALS

A. Comply with Section 01330 - Submittal Procedures.

B. Product Data: Submit manufacturer's product data, including physical properties and colors available.

C. Maintenance Instructions: Submit manufacturer's maintenance instructions, including maintenance procedures and materials, procedures for stain removal and surface repair, and recommended schedule for cleaning.

1.5 QUALITY ASSURANCE

A. Qualifications:

1. Applicator: Use applicator experienced in application of specified materials for a minimum of 5 years on projects of similar size and complexity. Provide list of completed projects including project name and location, name of architect, name of material manufacturer, and approximate quantity of materials applied.

2. Applicator's Personnel: Employ persons trained for application of specified materials.

Specifier Notes: Describe requirements for a meeting to coordinate the application of the floor coating and to sequence related work.

B. Preapplication Meeting: Convene a preapplication meeting [2] [ ______] weeks before start of application of floor coating. Require attendance of parties directly affecting work of this section, including Contractor, Architect, applicator, and manufacturer's representative. Review surface preparation, priming, application, curing, protection, and coordination with other work.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly identifying product name, manufacturer, batch or lot number, and date of manufacture.

B. Storage:

1. Store materials in accordance with manufacturer's instructions.

2. Keep containers sealed until ready for use.

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

1.7 ENVIRONMENTAL CONDITIONS

A. Do not apply materials if floor or air temperature is below 60 degrees F or above 90 degrees F.

B. Do not apply materials if relative humidity is above 85 percent.

PART 2 PRODUCTS

2.1 MANUFACTURER

A. Valspar Flooring, 1191 Wheeling Road, Wheeling, Illinois 60090. Toll Free: (800) 637-7793. Fax: (847) 541-2752. Email: .

2.2 MATERIALS

Specifier Notes: Consult Valspar Flooring for assistance in determining proper coating for the specific application.

A. Epoxy Aggregate Binder for Interior Concrete Floors: EC-11 Epoxy Aggregate Binder.

1. Description: Two-component, 100 percent solids, epoxy binder to be mixed with a graded aggregate at various ratios to form concrete patch and overlayment.

2. Compressive Strength, ASTM C 597: 9,200 psi.

3. Tensile Strength, ASTM C 307: 1,520 psi.

4. Flexural Strength, ASTM C 580: 3,280 psi.

5. Impact Resistance, ASTM D 2794: 160 inch-pounds.

6. Hardness, ASTM D 2240, Shore D: 87 to 90.

7. Bond Strength, ACI 503R-5 Adhesion Properties, ACI 503R-25, A.1 Surface Adhesion: Greater than 400 psi. 100 percent concrete failure.

8. Flammability, ASTM D 635: Film is self-extinguishing.

Specifier Notes: EC-11 Epoxy Aggregate Binder is available in standard clear or a variety of colors when used in combination with Valspar Epoxy Color Additive.

9. Color: [Clear] [ ______].

PART 3 EXECUTION

3.1 EXAMINATION

A. Examine surfaces to receive epoxy aggregate binder system. Notify Architect if surfaces are not acceptable. Do not begin surface preparation or application until unacceptable conditions have been corrected.

3.2 SURFACE PREPARATION

A. Prepare surfaces in accordance with manufacturer's instructions and ASTM D 4258.

B. Remove dirt, oil, grease, wax, laitance, curing compounds, water soluble concrete hardeners, and other surface contaminants.

C. Remove sealers, finishes, and paints with PC-43 Wash Off Remover or PC-46 Dry Eze.

D. Remove unsound concrete by scarifying, sand blasting, shot blasting, or high pressure water blasting.

E. Chemical Surface Preparation:

1. Apply chemicals to concrete surface in accordance with manufacturer’s instructions.

2. Remove dirt, oil, and grease with PC-40 Dynomite.

3. Acid-etch with PC-42 Acid Conditioner to remove laitance and to give concrete surface a uniform texture of medium grit sandpaper.

4. Remove acid residue.

5. Rinse thoroughly and let dry.

6. Conform to ASTM D 4260 and D 4262.

F. Mechanical Surface Preparation:

1. Mechanically abrade concrete surface in accordance with manufacturer's instructions, if chemical surface preparation cannot be used.

2. Leave concrete surface with a uniform texture of medium grit sandpaper.

3. Remove concrete dust.

4. Conform to ASTM D 4259.

3.3 PRIMING

A. Apply EC-7 Epoxy Shop Floor Resurfacer as a primer in accordance with manufacturer's instructions.

B. Apply epoxy aggregate binder system to wet primed surface.

3.4 APPLICATION

A. Mix and apply epoxy aggregate binder system in accordance with manufacturer's instructions.

B. Fill in holes, cracks, and crevices with epoxy aggregate binder system.

C. Spread epoxy aggregate binder system to required thickness.

D. Finish surface to a smooth texture, free of trowel marks and without open areas.

E. Minimum Thickness: 1/8 inch.

F. Do not add thinners to materials.

3.5 RECOATING

Specifier Notes: Delete this article if recoating is not required.
Consult Valspar Flooring for assistance in determining recoating requirements for the specific application.

A. Apply subsequent coats of the specified material and other materials within 12 to 24 hours, under normal curing conditions.

B. Recoat in accordance with manufacturer’s instructions.

3.6 PROTECTION

Specifier Notes: The following cure times are based on an air temperature of 75 degrees F. For lower or higher air temperatures, consult Valspar Flooring for minimum cure times.

A. Protect patched areas during curing from traffic and chemical spillage.

1. Foot Traffic: Minimum of 5 to 6 hours.

2. Light Traffic: Minimum of 18 to 24 hours.

3. Heavy Wheeled Traffic: Minimum of 3 days.

4. Chemical Spillage: Minimum of 3 days

END OF SECTION

© Copyright 2006 Valspar Corporation. | SPEC-Morritex_EC11 | Rev 08/08/06

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