SECTION 03 54 01

SELF-LEVELING CEMENTITIOUS UNDERLAYMENT

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Cementitious self-leveling floor underlayment.
1.2	RELATED SECTIONS
A.	Section 03 54 00 - Cast Underlayment.
1.3	REFERENCES
A.	ASTM International (ASTM):
1.	ASTM C 109M - Standard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube Specimens).
2.	ASTM C 348 - Standard Test Method for Flexural Strength of Hydraulic-Cement Mortars.
1.4	SUBMITTALS
A.	Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.	Product Data: Manufacturer's data sheets on each product to be used, including:
1.	Data substantiating compliance with specified physical properties.
2.	Storage and handling requirements and recommendations.
3.	Surface preparation instructions and recommendations.
4.	Details of terminations and interfaces with other materials.
5.	Installation requirements and methods.
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in providing products of the type specified in this section, with minimum of 5 years documented experience with products in use.
B.	Applicator Qualifications: Authorized by manufacturer, using manufacturer approved mixing and/or pumping equipment.
1.6	DELIVERY, STORAGE, AND HANDLING
A.	Materials shall be delivered in their original, unopened packages, and protected from exposure to the elements.
B.	Damaged or deteriorated materials shall be removed from the premises.
C.	Store products in manufacturer's unopened packaging until ready for installation.
1.7	PROJECT CONDITIONS
A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Maxxon Corp., which is located at:<BR />920 Hamel Rd., P. O. Box 253<BR />Hamel, MN 55340<BR />Toll Free Tel: 800-356-7887<BR />Tel: 763-478-9600<BR />Email: request info (info@maxxon.com);Web: http://www.maxxoncorporation.com 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2	MATERIALS
A.	Cementitious Underlayment: Maxxon Commercial Level EZ Floor Underlayment for Topping Concrete by Maxxon Corp.
1.	Material: Polymer Modified Cementitious Underlayment.
2.	Attributes: No mechanical preparation required in most applications; fast setting, ready for foot traffic in 4 hours; compatible with in-floor radiant heating systems.
3.	Working Time: 15 to 18 minutes.
4.	Coverage at 1/4 inch (6 mm) thickness: 21 sq.ft. (1.9 sq.m.)
5.	Levels: From 1/4 to 2 inches (6 to 51 mm).
6.	Compressive Strength, per modified ASTM C 109M, at 28 days: 4500 psi (31.0 MPa).
7.	Flexural Strength: ASTM C 348, at 28 days: 1000 psi (6.9 MPa).
8.	Sand Aggregate:
a.	Material: Washed masonry or plaster sand.
b.	Particle Size: 1/8 inch (3.2 mm) or less.
c.	Compliance: Maxxon Sand Specifications 101.
9.	Mix Water: Potable, free from impurities and from a domestic source.
B.	Floor Primer at All Locations: Maxxon Acrylic Sealer.
C.	Vapor Mitigation: Aquafin Vaportight Coat SG2, SG3 or SG4 as recommended by manufacturer.
D.	Mix Designs: Mix proportions and methods shall be in strict accordance with product manufacturer recommendations.
PART 3    EXECUTION
3.1	EXAMINATION
A.	Do not begin installation until substrates have been properly prepared.
B.	If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding
3.2	PREPARATION
A.	Clean surfaces thoroughly prior to installation.
B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
C.	Concrete shall be structurally sound and free of mud, oil, grease, and other contaminating factors. Shot blast or scarify as required by manufacturer.
D.	Fill cracks and voids with a quick setting patching or caulking material where leakage of topping could occur.
E.	Prime concrete using the manufacturer approved primer in accordance with manufacturer's instructions according to the porosity of the concrete. Provide multiple coats if necessary.
F.	Allow joints to continue through the underlayment at the same width.
3.3	INSTALLATION
A.	Install in accordance with manufacturer's instructions.
1.	Application 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.
2.	Fill cracks and voids in subfloor where leakage of slurry could occur.
3.	Prime substrate according to manufacturer's recommendations.
4.	Comply with manufacturer's recommended dry time before installing flooring.
3.4	PROTECTION
A.	Protect installed products until completion of project.
B.	During construction, place temporary wood planking over toppings wherever they will be subject to heavy wheeled or concentrated loads.
C.	Touch-up, repair or replace damaged products before Substantial Completion

END OF SECTION