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- SECTION 03530
-
- CONCRETE TOPPING
-
- NOTE ** This section is based on Keystone Kool Deck and
- Marquee concrete topping compounds manufactured by
- Mortex Manufacturing Company, Inc., with Corporate
- Headquarters at the following address:
- NOTE ** 1818 West Price Street
- NOTE ** Tucson AZ 85705
- NOTE ** Telephone 1-800-338-3225
- NOTE ** FAX 520-293-8884
- NOTE **
- NOTE ** Both Keystone Kool-Deck and Marquee toppings
- provide traffic surfaces that stay cooler than non-
- surfaced concrete for outdoor pedestrian and
- vehicular traffic surfaces.
- NOTE **
- NOTE ** SECTION 03530 - CONCRETE TOPPINGS, Copyright 1996,
- The Architect's Catalog, Inc.
-
- PART 1 GENERAL
-
- 1.1 SECTION INCLUDES
- NOTE ** Delete items below not required for project.
-
- A. Concrete Topping Compound, Standard-Traffic Service.
-
- B. Concrete Topping Compound, High-Traffic Service.
-
- C. Products to Apply and Finish Concrete Toppings.
- NOTE ** Delete the following Article if specifying concrete
- topping on existing concrete substrates.
-
- 1.2 RELATED SECTIONS
-
- A. Section 03300 - Cast-In-Place Concrete.
-
- 1.3 REFERENCES
- NOTE ** Delete references from the list below that are not
- actually required by the text of the edited
- section.
-
- A. ASTM C 109/C 109M - Standard Test Method for Compressive
- Strength of Hydraulic Cement Mortars (Using 2-in. or 50-
- mm Cube Specimens).
-
- B. ASTM C 150 - Standard Specification for Portland Cement.
-
- C. ASTM C 666 - Standard Test Method for Resistance of
- Concrete to Rapid Freezing and Thawing.
-
- D. ASTM C 672 - Standard Test Method for Scaling Resistance
- of Concrete Surfaces Exposed to Deicing Chemicals.
-
- E. ASTM C 944 - Standard Test Method for Abrasion Resistance
- of Concrete or Mortar Surfaces by the Rotating-Cutter
- Method.
-
- 1.4 SYSTEM DESCRIPTION
-
- A. Performance Requirements: Concrete topping; mixed,
- applied, and cured in accordance with concrete topping
- compound manufacturer's printed instructions:
- NOTE ** Retain the following paragraph if specifying
- Keystone Kool Deck topping compound.
- 1. Concrete Topping, Standard-Traffic Service:
- a. Compressive strength, when tested in accordance
- with ASTM C 109; 2-inch cube specimens:
- 1) 1300 pounds per square inch after 7 days
- curing time; within two standard deviations.
- 2) 1800 pounds per square inch after 14 days
- curing time; within two standard deviations.
- 3) 2800 pounds per square inch after 28 days
- curing time; within two standard deviations.
- b. Resistance to rapid freezing and thawing, when
- tested in accordance with ASTM C 666: Beginning
- of failure of flat areas after 70 cycles.
- c. Abrasion resistance, when tested in accordance
- with ASTM C 944:
- 1) Maximum 1 gram loss under 2 gram load, with
- 50 percent flat texture.
- 2) Maximum 3 grams loss under 6 gram load, with
- 50 percent flat texture.
- NOTE ** Retain the following paragraph if specifying
- Marquee topping compound.
- 2. Concrete Topping Compound, High-Traffic Service:
- a. Compressive strength, when tested in accordance
- with ASTM C 109; 2-inch cube specimens:
- 1) 2100 pounds per square inch after 3 days
- curing time; within two standard deviations.
- 2) 2900 pounds per square inch after 7 days
- curing time; within two standard deviations.
- 3) 4000 pounds per square inch after 28 days
- curing time; within two standard deviations.
- b. Resistance to rapid freezing and thawing, when
- tested in accordance with ASTM C 666: Beginning
- of failure of flat areas after 110 cycles; no
- delamination after 300 cycles.
- c. Resistance of concrete surfaces exposed to de-
- icing chemicals, when tested in accordance with
- ASTM C 672: Beginning of failure of flat areas at
- edges after 45 cycles.
- d. Abrasion resistance, when tested in accordance
- with ASTM C 944:
- 1) Maximum 1 gram loss under 10 kilogram load,
- with 50 percent flat texture.
- 2) Maximum 3 grams loss under 20 kilogram load,
- with 50 percent flat texture.
-
- 1.5 SUBMITTALS
-
- A. Submit under provisions of Section 01300.
-
- B. Product Data: Manufacturer's descriptive literature for
- concrete topping compound.
- NOTE ** Delete the following paragraph if specifying custom
- colors or finishes.
-
- C. Selection Samples: Two sets of color chips representing
- concrete topping compound manufacturer's full range of
- available colors.
-
- D. Verification Samples: Two samples, minimum size 6 inches
- square, representing actual color and finish of product
- to be installed.
-
- E. Quality Assurance Submittals:
- 1. Test Reports: Certified reports from independent
- testing laboratory supporting compliance of concrete
- topping to specified requirements.
- 2. Manufacturer's instructions:
- a. Printed mixing and application instructions for
- each product.
- b. Manufacturer's Safety Data Sheets (M.S.D.S.) for
- each product.
-
- 1.6 QUALITY ASSURANCE
-
- A. Obtain copy of concrete topping compound manufacturer's
- instructional videotape; ensure that applicator views
- videotape before beginning construction activities of
- this section.
-
- 1.7 DELIVERY, STORAGE, AND HANDLING
-
- A. Storage and Protection:
- 1. Store products of this section in manufacturer's
- unopened packaging until installation.
- 2. Maintain dry, heated storage area for products of
- this section until installation of products.
-
-
- PART 2 PRODUCTS
-
- 2.1 MANUFACTURERS
-
- A. Acceptable Manufacturer of Concrete Topping Compound(s):
- Mortex Manufacturing Company, Inc.; Corporate
- Headquarters at 1818 West Price Street, Tucson AZ 85705;
- Telephone 1-800-338-3225, FAX 520-293-8884.
- NOTE ** Delete one of the two following paragraphs;
- coordinate with Division 01 requirements.
-
- B. Requests for substitutions will be considered in
- accordance with provisions of Section 01600.
-
- C. Substitutions: Not permitted.
-
- 2.2 MATERIALS
-
- A. Concrete Topping Compound, Standard-Traffic Service:
- 1. Acceptable Product: Keystone Kool Deck.
- 2. Characteristics: Composed of synthetic iron-oxide
- pigments and natural organic materials, meeting
- performance requirements specified in SYSTEM
- DESCRIPTION Article of this section.
- NOTE ** Determine method of color selection; retain one of
- following three paragraphs. Coordinate selection
- method with requirements for Samples in SUBMITTALS
- Article of Part 1. If more than one color
- required, retain third paragraph below and
- coordinate with SCHEDULES Article of Part 3.
- 3. Color: Selected from full range of manufacturer's
- standard colors.
- 4. Color: _________________.
- 5. Color: Specified in SCHEDULES Article of this
- section.
-
- B. Concrete Topping Compound, High-Traffic Service:
- 1. Acceptable Product: Marquee.
- 2. Characteristics: Composed of synthetic iron-oxide
- pigments, Portland cement, limestone, crystalline
- quartz, and natural organic materials; meeting
- performance requirements specified in SYSTEM
- DESCRIPTION Article of this section.
- NOTE ** Determine method of color selection; retain one of
- following three paragraphs. Coordinate selection
- method with requirements for Samples in SUBMITTALS
- Article of Part 1. If more than one color
- required, retain third paragraph below and
- coordinate with SCHEDULES Article of Part 3.
- 3. Color: Selected from full range of manufacturer's
- standard colors.
- 4. Color: _________________.
- 5. Color: Specified in SCHEDULES Article of this
- section.
- NOTE ** Retain the following paragraph if specifying
- Marquee topping.
-
- C. Concrete Curing Compound:
- 1. Acceptable Product: Mor-Cure.
- 2. Characteristics: Liquid curing compound supplied by
- manufacturer of concrete topping compound for use
- with high-traffic service concrete topping compound;
- water-soluble, self-dissipating.
- NOTE ** Retain the following two paragraphs if specifying
- Kool-Deck topping; delete both if specifying
- Marquee topping.
-
- D. Portland Cement: ASTM C 150, Type I; white color.
-
- E. Sand: Ground marble composition, passing size number 20
- sieve.
-
- F. Water: Clean, potable; containing no contaminants which
- would impair appearance or performance of products in
- this section.
- NOTE ** Retain the following paragraph if specifying
- application of topping over existing concrete
- substrate.
-
- G. Bonding System:
- 1. Acceptable Product: Mortex PTA System.
- 2. Characteristics: Materials for bonding concrete
- topping mix to existing concrete substrates supplied
- by manufacturer of concrete topping compound.
-
- 2.3 MIXES
-
- A. Proportion concrete topping materials in accordance with
- concrete topping compound manufacturer's instructions;
- addition of materials other than those specified therein
- is not permitted.
-
- B. For application at temperatures below 45 degrees F, use
- hot water in concrete topping mix; for application at
- temperatures above 90 degrees F, or application under
- windy conditions, use ice water in concrete topping mix.
-
- C. Mix concrete topping materials in paddle-type plaster
- mixer in accordance with procedures specified in concrete
- topping compound manufacturer's instructions; add
- materials in specified order, maintaining specified
- mixing periods.
-
- D. Test concrete topping mix prior to application, using
- viscosity cup supplied by concrete topping compound
- manufacturer; adjust mix, if required, to specified
- consistency in accordance with concrete topping compound
- manufacturer's instructions.
-
-
- PART 3 EXECUTION
-
- 3.1 EXAMINATION
-
- A. Verification of Conditions: Test concrete substrate for
- correct condition of substrate for application of
- concrete topping.
-
- 3.2 PREPARATION
-
- A. Protection of Adjacent Surfaces: Mask off adjacent
- surfaces to protect from corrosion by concrete topping
- mix.
- NOTE ** Retain one of the following two paragraphs; first
- paragraph applies to new concrete substrates;
- second paragraph applies to application of topping
- over existing concrete substrates.
-
- B. Surface Preparation: Scarify concrete substrates to
- receive concrete topping, using nylon-bristle push broom
- immediately before application of concrete topping;
- scarify with single broom pass only, to avoid sweeping
- loose sand to surface of concrete substrate.
-
- C. Surface Preparation: Prepare existing concrete
- substrates to receive concrete topping, using specified
- bonding system in accordance with manufacturer's
- instructions.
-
- 3.3 APPLICATION
- NOTE ** Coordinate requirements of Section 03300 with the
- following recommendations from the manufacturer:
- NOTE **
- NOTE ** Concrete containing no admixtures is preferred;
- however, the following are acceptable:
- NOTE **
- NOTE ** Air-entraining admixtures: Master Builders
- Micro-Air; W.R.Grace DAREX II AEA
- NOTE ** Water Reducing Admixtures: Naphthalene or
- Melamine based super plasticizers.
- NOTE ** Reinforcing Fibers: Non-ferrous composition
- only.
- NOTE **
- NOTE ** Admixtures containing the following are not
- acceptable:
- NOTE **
- NOTE ** Lignosulfate.
- NOTE ** Vinsol resin.
- NOTE ** Calcium chloride or chloride ions.
- NOTE **
- NOTE ** Contact manufacturer for acceptability of other
- admixtures.
- NOTE **
- NOTE ** Delete the following two paragraphs if specifying
- topping over existing substrates.
-
- A. Installation of concrete substrate is specified in
- Section 03300.
-
- B. Apply concrete topping mix to concrete substrate when
- substrate surface shows water rise, but no deep
- depression, when walked on.
-
- C. Apply concrete topping mix in two applications in
- accordance with concrete topping compound manufacturer's
- instructions, using one of the following:
- 1. Brush, supplied by concrete topping compound
- manufacturer.
- 2. Sprayer, type recommended by concrete topping
- compound manufacturer.
- 3. Stucco texture machine.
-
- D. Maintain coverage of 300 square feet per unit of concrete
- topping compound mixed.
-
- E. Trowel concrete topping mix, using trowel supplied by
- concrete topping compound manufacturer; perform
- trowelling in accordance with concrete topping compound
- manufacturer's instructions to achieve specified pattern,
- color uniformity, and levelness.
-
- F. Nominal thickness of concrete topping application: 1/8
- inch.
- NOTE ** Retain the following paragraph if specifying
- Marquee topping.
-
- G. Apply specified concrete curing compound to finished high-
- traffic service concrete topping surfaces, using
- construction sprayer; ensure complete uniform coverage of
- surfaces.
-
- 3.4 CLEANING
-
- A. Remove masking from adjacent surfaces.
-
- 3.5 PROTECTION OF INSTALLED PRODUCTS
-
- A. Protect finished concrete topping surfaces during initial
- 72 hours of curing from frost and other inclement weather
- in accordance with concrete topping compound
- manufacturer's instructions.
-
- B. Protect finished concrete topping surfaces during initial
- 12 hours of curing from rain by covering surfaces if rain
- is predicted; if covering surfaces with plastic film,
- remove film as soon as probability of rain, or initial 12
- hour period, has ended to prevent non-uniform curing of
- concrete topping.
-
- C. Allow no traffic on concrete topping for a period of 48
- hours after completing trowelling.
-
- D. Allow only light foot traffic on concrete topping for a
- period of 14 days after initial 48 hour curing period.
-
- E. Using locations where concrete topping has been applied
- for storing or placing waste containers, storage
- containers, or construction materials is not permitted.
- NOTE ** The following Article will assist in specifying
- more than one color or type surfacing; delete if
- not required.
-
- 3.6 SCHEDULES
-
- A. Pool Area: Standard-traffic service concrete topping;
- _______ color.
-
- B. Patio Area: High-traffic service concrete topping;
- ________ color.
-
- C. Walkways: High-traffic service concrete topping;
- ________ color.
-
-
- END OF SECTION
-