SECTION 03 3511
CONCRETE FLOOR FINISHES
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Surface treatments for concrete floors and slabs.
B. Clear coatings.
C. Clear penetrating sealers.
D. Polished concrete.
1.02 ADMINISTRATIVE REQUIREMENTS
A. Coordinate the work with concrete floor placement and concrete floor curing.
1.03 SUBMITTALS
A. Product Data: Manufacturer's published data on each finishing product, including information
on compatibility of different products and limitations.
B. Product Data: Manufacturer's published data and installation instructions for concrete polishing
system and finishing products, including manufacturer's installation instructions, information on
compatibility of different products, and limitations.
C. Maintenance Data: Provide data on maintenance and renewal of applied finishes.
1.04 MOCK-UP
A. For coatings, construct mock-up area under conditions similar to those that will exist during
application, with coatings applied.
B. Mock-Up Size: 10 feet square.
C. Locate where directed.
D. Mock-up may remain as part of the work.
1.05 DELIVERY, STORAGE, AND HANDLING
A. Deliver materials in manufacturer's sealed packaging, including application instructions.
1.06 FIELD CONDITIONS
A. Maintain light level equivalent to a minimum 200 W light source at 8 feet above the floor surface
over each 20 foot square area of floor being finished.
B. Maintain ambient temperature of 50 degrees F minimum.
1.07 WARRANTY
A. Correct defective work within a o ne-year period commencing on the Date of Substantial
Completion.
B. Finish Warranty: Provide five-year manufacturer warranty against excessive degradation of
finish. Include provision for replacement of units with excessive fading, chalking, or flaking.
PART 2 PRODUCTS
2.01 CONCRETE FLOOR FINISH APPLICATIONS
A. Salt Inhibiting Concrete Sealer:
1. Use at following locations:.
a. Maintenance Garage: Storage Bays.
B. Penetrating Clear Sealer:
1. Use at following locations:
a. Storage Bays.
C. Clear Coating:
1. Use at following locations: Storage Bays.
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2.02 DENSIFIERS AND HARDENERS
A. Salt Inhibiting Concrete Sealer: Penetrating chemical compound that reacts with concrete,
filling the pores and dustproofing; for application to concrete p rior to set.
1. Products:
a. CreteDefender, P2; www.cretedefender.com.
2.03 COATINGS
A. Low Gloss Clear Coating: Transparent, nonyellowing, acrylic polymer-based coating.
1. Composition: Solvent-based.
B. Penetrating Sealer: Transparent, nonyellowing, water- or solvent-based coating.
2.04 POLISHED CONCRETE SYSTEM
A. Polished Concrete System: Materials, equipment, and procedures designed and furnished by a
single manufacturer to produce dense polished concrete of the specified sheen.
1. Acceptable Systems:
a. LATICRETE L&M; FGS Permashine Concrete Polishing System:
www.lmcc.com/#sle.
b. W. R. Meadows, Inc; Induroshine and Bellatrix Concrete Enhancer:
www.wrmeadows.com/#sle.
c. Scofield: Formula One Guard S:www.scofield.com.
d. Substitutions: See Section 01 6000 - Product Requirements.
PART 3 EXECUTION
3.01 EXAMINATION
A. Verify that floor surfaces are acceptable to receive the work of this section.
B. Verify that flaws in concrete have been patched and joints filled with methods and materials
suitable for further finishes.
3.02 GENERAL
A. Apply materials in accordance with manufacturer's instructions.
B. Grinding: typical grit sequence.
1. 50/70 Metal
2. 100/120 Metal
3. 30/50 Resin
C. Repairs to surface imperfections.
D. Application of densifier.
E. Honing: typical grit sequence.
1. 100/120 Resin
2. 200/220 Resin
3. 400 Resin
F. Polishing: typical grit sequence.
1. 800 Resin
2. 1500 Resin
3. 3000 Resin
G. application of an impregnation microfiliming product.
3.03 COATING APPLICATION
A. Verify that surface is free of previous coatings, sealers, curing compounds, water repellents,
laitance, efflorescence, fats, oils, grease, wax, soluble salts, residues from cleaning agents,
and other impediments to adhesion.
B. Protect adjacent non-coated areas from drips, overflow, and overspray; immediately remove
excess material.
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C. Apply coatings in accordance with manufacturer's instructions, matching approved mock-ups
for color, special effects, sealing and workmanship.
3.04 CONCRETE POLISHING
A. Execute using materials, equipment, and procedures specified by manufacturer, using
manufacturer approved installer.
1. Final Polished Sheen: Satin finish; other sheens are included as comparison to illustrate
required sheen; final sheen is before addition of any sealer or coating, regardless of
whether that is also specified or not.
2. Satin Finish: Reflecting images from side lighting.
B. Protect finished surface as required and as recommended by manufacturer of polishing system.
END OF SECTION
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