Section 03511
Self-Leveling Concrete Floor Underlayment
RECOMMENDED SPECIFICATION FOR LEVEL-RIGHT® PLUS SELF-LEVELING UNDERLAYMENT
PART 1 GENERAL
1.01 SUMMARY
A. This is the recommended specification for Level-Right® PLUS Cementitious Self-Leveling Floor Underlayment for topping concrete
floors.
1.02 SECTION INCLUDES
A. Level-Right PLUS Cementitious Self-Leveling floor Underlayment
B. Manufacturer Approved Primer
1.03 QUALITY ASSURANCE
A. Installer's qualifications: Installation of Level-Right PLUS shall be by an applicator authorized by Maxxon Corporation using approved
mixing and pumping equipment.
1.04 DELIVERY, STORAGE AND HANDLING
A. General Requirements: Materials shall be delivered in their original, unopened packages, and protected from exposure to the elements.
Damaged or deteriorated materials shall be removed from the premises.
1.05 SITE CONDITIONS
A. Environmental Requirements: Before, during and after installation of Level-Right PLUS, building interior shall be enclosed and maintained
at a temperature above 40 degrees F (4.5 degrees C) and below 100 degrees F (37.7 degrees C) until structure and subfloor temperature
are stabilized.
PART 2 PRODUCTS
2.01 MATERIALS
A. Self-Leveling Cementitious Poured Floor Underlayment: Floor underlayment compound shall be Level-Right PLUS Cementitious
Self-Leveling Floor Underlayment as manufactured by Maxxon Corporation, Hamel, MN.
B. Mix Water: Potable, free from impurities
C. Concrete Primer: Manufacturer Approved primer
D. Sealer: manufacturer Approved Sealer
2.02 MIX DESIGNS
A. General Requirements: Level-Right PLUS mix proportions and methods shall be in strict accordance with product manufacturer
recommendations.
PART 3 EXECUTION
3.01 PREPARATION
A. Condition and Cleaning of Subfloor: Subfloor shall be structurally sound. Steel trowel concrete, concrete sealed with curing compounds, or
slick or smooth substrate surfaces must be shotblast or scarified. General Contractor shall clean subfloor to remove mud, oil, grease, and
other contaminating factors before arrival of the Level-Right PLUS underlayment crew.
B. Leak Prevention: fill cracks and voids with a quick-setting caulk or patching material where leakage of Level-Right PLUS could occur.
C. Priming Subfloor: prime concrete subfloor using manufacturer Approved Primer. Priming instructions vary according to the porosity of the
concrete; multiple coats may be necessary.
D. Expansion Joints: Allow joints to continue through the Level-Right PLUS at the same width.
3.02 APPLICATION OF SELF-LEVELING FLOORING
A. Scheduling: Application of Level-Right PLUS shall not begin until the building is enclosed including roof, windows, doors and other
fenestration. Install after drywall installation unless tenant finish requirements identify partitioning after the pour.
B. Application: Place Level-Right PLUS from 0-1½" (0-38 mm). Spread and float Level-Right PLUS to a smooth surface. Except at
authorized joints, place Level-Right PLUS as continuously as possible until application is complete so that no Level-Right PLUS slurry is
placed against Level-Right PLUS product that has obtained its initial set.
C. Drying: General Contractor shall provide continuous ventilation and adequate heat to remove moisture from the area until the Level-Right
PLUS is dry. General contractor shall provide mechanical ventilation if necessary.
3.03 PREPARATION FOR INSTALLATION OF GLUE-DOWN FLOOR GOODS
A. Floor Goods Attachment: See the brochure "Procedures for Attaching Finished Floor Goods to Maxxon Underlayments" for guidelines for
installing finished floor goods. This procedure is not a warranty and is to be used as a guideline only.
3.04 FIELD QUALITY CONTROL
A. Field Samples: At least one set of 3 molded cube samples shall be taken from each day's pour during the Level-Right PLUS application.
Cubes shall be tested as recommended by Maxxon Corporation in accordance with modified ASTM C 109. Test results shall be available to
architect and/or contractor upon request from applicator.
3.05 PROTECTION
A. Protection from heavy Loads: During construction, place temporary wood planking over Level-Right PLUS wherever it will be subject to
heavy wheeled or concentrated loads.
END OF SECTION
For customized CSI specs for all Level-Right PLUS applications, contact Maxxon® Corporation at 1-800-356-7887.
For more information:
1-800-356-7887
E-mail: info@maxxon.com
http://www.maxxon.com
Another superior product from
Maxxon® Corporation
920 Hamel Road, Hamel, MN 55340 USA
1-612-478-9600  Fax: 1-612-478-2431
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