Specifier’s Note: the following CSI section describes the athletic wood flooring system to be installed on the specific project. The number and title of the section may be changed if the specifier deems necessary; but in any circumstance it will belong to the general Section 09640: Wood Flooring.

Athletic wood flooring system. Accessories required for installation. 

Specifier Note:  the following CSI sections of the project manual are a guide to what is the essential information needed to determine the acceptability of the site conditions and details of the installation of Heritage Sport Floors, LLC products. The Specifier may choose to include other sections he/she deems necessary.

Section 03050: Basic Concrete Materials and Methods

Section 06050: Basic Wood and Plastic Materials and Methods

Section 07050: Basic Thermal and Moisture Protection Materials and Methods

Section 07100: Dampproofing and Waterproofing

Section 11480: Athletic, Recreational, and Therapeutic Equipment

A. The Wood Flooring Manufacturer’s Association (NOFMA)

B. APA- The Engineered Wood Association [former American Plywood Association (APA)]

C. Canadian Lumberman’s Association (CLA)

D. Deutches Institut fur Normung (DIN)

Provide a ventilated athletic wood flooring system consisting, in general, of wood laminate sub-flooring, maple flooring, vapor retarder, finishes, painted game lines, and wall base.

Provide an athletic wood flooring system, which has been manufactured to maintain performance criteria, stated by the manufacturer without defects, damage or failure.

Specifier Note: the following are typical submittals. The Specifier should change, add or omit whatever he/she deems necessary.

Product data, including the manufacturer’s information for specified products. Selection and verification of samples for finishes, colors and textures.

Shop drawings showing layout, profiles, product components & finishing details.

Installation and maintenance instructions as published by the manufacturer.

The manufacturer must have experience in the manufacturing of ventilated athletic wood flooring systems for a period of no less than (5) years.

Installer must have performed installations of the same scale in the last (5) years.

Installer shall be recognized and approved by the flooring manufacturer.

Materials must be delivered in manufacturer’s original, unopened and undamaged containers with manufacturer’s identification labels intact.

Store material protected from exposure to harmful weather conditions, on a clean, dry, flat surface protected from all possible damage.

Recommended environmental conditions for storage are a relative temperature in the range of 65o F to 75o F (18o C to 24o C), and ambient humidity in the range of 35% to 50%.

Material shall be stored in the area where the installation is to take place, a week (7 days) prior to installation or whatever time is deemed necessary, so that it can acclimate to area conditions.

Material should not suffer excessive damage during handling (i.e. edge chipping, excessive warping, etc.)

Maintain stable room and sunflower environmental conditions for a period of seven (7) days prior, during and seven (7) days after installation.

-Recommended temperature range: 65o F to 75o F (18o C to 24o C).

-Recommended relative humidity range: 35% to 50%.

Installation to be carried-out no sooner than the specified curing time of concrete subfloor (normal density concrete curing time is approximately 30 days for development of design strength).

Moisture vapor emission content of the concrete slab must not exceed 7 lbs/1000 ft2 per 24 hours when using the Calcium Chloride test as per ASTM F 1869-98.

Installation of athletic wood flooring will not commence unless all other finishes in the building have been completed and the HVAC systems are operational and able to sustain stable environmental conditions (as specified).

Provide manufacturer’s standard warranty.

The athletic wood flooring is warranted to be free from manufacturing defects for a period of one (1) year from the date of shipment from the manufacturer.

Provide additional amount of approximately 2% of the total floor surface, of each type. Repair material must be from the same lot as material supplied for initial installation. Maintain surface as per NOFMA published recommendations for wood floor maintenance.

Heritage Sport Floors, LLC ∙ P.O. Box 241798 ∙ Montgomery, Alabama 36124

Phone: (334) 293-9989 ∙ Fax: (334) 293-9092

“PRO AIR CUSH” by Heritage Sport Floors, LLC

Ventilated, low profile, cushioned, wood athletic floor system as manufactured by Heritage Sport Floors, LLC or approved equal. System will be comprised of two layers of plywood crossed and tacked with cushioning pads affixed to the bottom of the first layer. Heritage Sport Floors, LLC CAV spacers will be affixed to the top of the plywood. Maple strip flooring will then be affixed to the top of wood flooring assembly.

Specifier Note: specify wood finish type, grade and size.

1. Wood flooring to be [Second & Better] [options 1st grade & 3rd grade] continuous tongue & groove, end-matched Northern Hard Maple, graded, marked and stamped by the manufacturer.

2. Flooring width to be 1 1/2″ (option 2 1/4″)
3. Flooring to be provided in thickness of 25/32″
4. Wood flooring may be treated by Heritage Sport Floors, LLC with Woodlife F when specified.

1. Vapor barrier shall be 6-mil polyethylene
2. Sub-floor shall be 2 layer of 1/2″ x 4’x8′ CDX plywood
3. Pads shall be 3/8″ [option 7/16″] with fully enclosed air channels
4. Sub-floor fasteners shall be 1″ nails or staples
5. CAV spacers shall be in accordance with Heritage Sports Floors, LLC recommended patented CAV system requirements
6. Flooring fasteners shall be 2″ barbed cleats or 15 gauge coated staples
7. Wall base shall be 4″ x 3″ vented cove base with pre-molded corners

Heritage Sport Floors, LLC CAV spacers for use with the patented CAV System

Call Heritage Sport Floors, LLC (334-293-9989) for details.

Refer to Quality Assurance section 1.4 of this document for information on installers.

The following must be ensured prior to installation of the primary product:

Concrete sub-floor to be placed a minimum of thirty (30) days prior to the installation of floor system.

Inspect concrete slab for proper tolerance and dryness reporting any discrepancies in writing to the general contractor.

All work to put the concrete slab in acceptable condition shall be the responsibility of the general contractor.

The concrete slab shall be broom cleaned by the general contractor.

Concrete slab depression, if any, to be provided by the flooring manufacturer or contractor.

Sub-floor must be clean, free of paint, thick dust, sealer, hardeners, grease, oil, solvents, old adhesive and any other foreign substances.

Sealing of cracks and holes and the smoothing and leveling of rough, uneven surfaces shall be the responsibility of the general contractor and must be carried out using a good quality Portland cement-based leveling compound approved by the manufacturer.

Installation will not be carried out unless above conditions are satisfied.

Report any discrepancies to the general contractor for correction.

Specifier Note: the following is considered common practice wood floor installation procedure. Alter following procedure as required by project description (if necessary).

Cover concrete with 6 mil polyethylene, sealing and lapping joints a minimum of 6″.  Attach 32 resilient pads per sheet of plywood (4′ x 8′), on first layer of plywood at 12″ o.c. in each direction. Install perimeter rows of cushions with no more than 6′ from edge of sheet to center of cushion.

Install first layer of 1/2″ plywood with a 1/4″ spacing between adjoining sheets and 1-1/2″ to 2″ expansion void along perimeter and all vertical obstructions.

Installation of the first layer of plywood shall be across the short dimension of the room, while the second layer shall be laid at a 45o angle to the long dimensions, so that the two layers cross at a 45o angle with each other.

Use a minimum of 1″ staples or nails to fasten the second layer of plywood to the first layer.

Install CAV spacers in accordance with Heritage Sport Floors, LLC recommended patented CAV system requirements.

Install maple flooring over CAV spacers by power nailing, or stapling, with end joints properly driven up and proper spacing provided for the humidity conditions of the local area as recommended by the flooring contractor. Install flooring parallel to main playing court.

If required, size joints between flooring strips [Washer Rows] to allow for immediate expansion in accordance with local humidity conditions.

Specifier Note: Add / change as necessary.

Sand floor using course, medium, and fine grade sand paper.

After sanding, buff entire floor using 100 grit screen disc or equal with heavy-duty buffing machine.

Clean floor before applying first coat of seal.

Inspect entire area of the floor to insure that the surface is acceptable for finishing, and is clean and completely free from sanding dust.

Apply two (2) coats of approved  seal and two (2) coats of approved finish per manufacturer’s instructions.

Buff and clean floor between each coat.

Apply game lines accurately in accordance with drawings and layouts provided by the Architect. Lines shall be straight with sharp edges. Apply between seal and first coat of finish. Allow for sufficient drying time prior to cleaning floor surface.

Affix rubber vent base to walls with recommended anchors or adhesive.

Use pre-molded outside corners and field mintered inside corners.

Heritage Sport Floors, LLC is a company committed to excellence. We continually strive to be the best; using the highest quality materials, sub-floor systems designed to provide optimum play-ability, durability and life span, plus, integrating the use of SMART Sport Floor technology.

It is the policy of Heritage Sport Floors, LLC to continually work to improve and upgrade the products we offer. Because of this continuous effort, we reserve the right to change or modify our products, including specifications and accessories, at any time without any notice or obligation to any purchases or clients.