SECTION 09732

URETHANE FLOORING

PART	GENERAL

SECTION INCLUDES

Fluid applied polyurethane elastomeric flooring.

PRODUCTS FURNISHED BUT NOT INSTALLED UNDER THIS SECTION

Section [______-____________]: Placement of [perimeter edging.] [________.]

PRODUCTS INSTALLED BUT NOT FURNISHED UNDER THIS SECTION

Section [______-____________]: Perimeter edging.

Section [______-____________]: Recessed plumbing access cover frames.

Section [______-____________]: Recessed electrical access cover frames.

RELATED SECTIONS

Section [______-____________]: Concrete subfloor with [broom] [________] finish.

Section [______-____________]: [Wood] [________] subfloor.

Section 07900 - Joint Sealers: Joint between base and wall surface.

[Section [______-____________]: Termination edging of adjacent floor finish.]

Section [______-____________]: Recessed floor accessories.

Section [______-____________]: Wall materials to receive application of base.

Section 09705 - Resinous Flooring.

Section 09726 - Seamless Stone Chip Flooring.

Section 09727 - Seamless Vinyl Chip Flooring.

Section 09735 - Neoprene-Hypalon Flooring.

REFERENCES

ASTM D395 - Rubber Properties - Compression Set.

ASTM D412 - Rubber Properties in Tension.

ASTM D1044 - Resistance of Transparent Plastic Materials to Abrasion.

ASTM D2240 - Rubber Property - Durometer Hardness.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Product Data: Provide data on specified products, describing physical [and performance] characteristics; sizes, patterns and colors available; and [________].

Samples: Submit [two] [_______] samples, [____x____] inch ([____x____] mm) in size illustrating color and pattern for each floor material for each color specified.

Manufacturer's Installation Instructions: Indicate special procedures, perimeter conditions requiring special attention, and [________].

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [three] [_______] years [documented] experience.

Applicator: Company specializing in performing the work of this section [with minimum [__________] years [documented] experience] [approved by manufacturer].

Supervisor: Trained by product manufacturer [, under direct full time supervision of manufacturer's [own] [plant trained] foreman].

REGULATORY REQUIREMENTS

Conform to [applicable] [___________] code for flame/smoke rating requirements of [____/____] in accordance with ASTM E84.

MOCKUP

Provide mockup of flooring [and base] under provisions of Section [01400.] [________.]

Provide [________] mockup, [10] [____] sq ft ([1] [____] sq m) of flooring [and [3] [____] ft ([1] [____] m) of base].

Locate [where directed.] [________.]

Mockup may [not] remain as part of the Work.

DELIVERY, STORAGE, AND HANDLING

Deliver, store, protect and handle products to site under provisions of Section [01600.] [________.]

Store materials in a dry, secure area.

Maintain minimum temperature of [55] [____] degrees F ([13] [____] degrees C).

Store materials for three days prior to installation in area of installation to achieve temperature stability.

ENVIRONMENTAL REQUIREMENTS

Maintain ambient temperature required by manufacturer three days prior to, during, and 24 hours after installation of materials.

WARRANTY

Provide [three] [____] year warranty under provisions of Section [01700.] [________.]

Warranty: Include coverage against flooring delamination from substrate, degradation of surface finish, and [________].

MAINTENANCE DATA

Submit under provisions of Section [01700.] [________.]

Maintenance Data: Include maintenance procedures, recommended maintenance materials, procedures for stain removal, repairing surface, and suggested schedule for cleaning.

EXTRA MATERIALS

Furnish under provisions of Section [01700.] [________.]

Provide [2] [____] gal ([8] [____] l) of flooring material, of each color selected, for building maintenance purposes.

PART	PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

[__________________________________] Product [_________].

[__________________________________] Product [_________].

Substitutions: Under provisions of Section [01600.] [________.]

MATERIALS

Base Coat: Fluid applied polyurethane, [________] color [as selected].

Top Coat: Fluid applied polyurethane, clear color.

Flooring: Conform to the following:

Property	ASTM Test	Result

Tensile Strength	D412	[200 - 900] [____] psi ([1.4 - 6.2] [____] MPa)

Moisture Absorption	[0.5 - 2.5] [________] percent

Compression Set	D395	[95] [____] percent

Elongation	D412	[100 - 300] [________] percent

Hardness	D2240

Shore D	[55 - 65] [________]

Abrasion Resistance	D1044	Maximum Weight loss of [____] gm/1000 cycles

Primer: As recommended by flooring material manufacturer.

Cant Strips: [1 x 1] [________] x 45 degrees, [of dense sponge rubber compatible with floor materials.] [bent galvanized sheet metal with nailing flanges for attachment.]

Sealant: [________] type, [compatible with flooring materials.] [Specified in Section [07900] [________].]

ACCESSORIES

Subfloor Filler: [White premix latex] [________]; type recommended by flooring material manufacturer.

Primers and Adhesives: Waterproof; types recommended by flooring manufacturer.

COLORS

Matrix: [________] color [as selected].

PART	EXECUTION

EXAMINATION

Verify that surfaces are smooth and flat with maximum variation of [1/4] [____] inch in 10 ft ([6] [____] mm in 3 m), and are ready to receive work.

Verify concrete floors [have cured a minimum [28] [____] days,] are dry to a maximum moisture content of [7] [____] percent, and exhibit negative alkalinity, carbonization, or dusting.

****** [OR] ******

Verify wood floors are dry to a maximum moisture content of [12] [____] percent.

Verify floor [and lower] wall surfaces are free of substances that may impair adhesion of new adhesive and finish materials.

PREPARATION

Remove subfloor ridges and bumps. Fill low spots, cracks, joints, holes, and other defects with subfloor filler.

Apply, trowel, and float filler to achieve smooth, flat, hard surface. [Grind irregularities above the surface level.] Prohibit traffic until filler is cured.

Vacuum clean substrate.

Apply primer to prepared substrate to a dry film thickness of [____] mils ([____] mm).

INSTALLATION - FLOORING

Apply in accordance with manufacturer's instructions.

Apply base coat to a minimum thickness of [1/4] [3/8] [____] inches ([6] [9] [____] mm) [each].

Apply game lines over base coat in accordance with diagram on [shop] drawings to a minimum thickness of [____] mils ([____] mm). Apply top coat to a minimum thickness of [____] mils ([____] mm) [each].

****** [OR] ******

Apply first top coat to a minimum thickness of [____] mils ([____] mm) [each]. Apply game lines over base coat in accordance with diagram on [shop] drawings to a minimum thickness of [____] mils ([____] mm). Apply second top coat to a minimum thickness of [____] mils ([____] mm).

Apply first top coat to a minimum thickness of [____] mils ([____] mm) [each]. Apply second top coat to a minimum thickness of [____] mils ([____] mm).

Extend primer, base and top coats up intersecting and perimeter vertical surfaces, [4] [____] inches ([100] [____] mm). Terminate top edge clean, straight, and level.

[Cove] [Fillet and cove] at vertical surfaces.

[Apply sealant to junction of base screed and wall surface.]

Install flooring in pan type floor access covers.

PROTECTION OF FINISHED WORK

Protect finished Work under provisions of Section [01500.] [________.]

Prohibit traffic on floor finish for 48 hours after installation.

Barricade area to protect flooring until cured.

SCHEDULE

Mechanical Room 1420: One base coat of 'Hazen Blue' color, and one clear top coat, 6" base height in matching color.

Games Room: Three base coats of 'Light Brown', one clear top coat, game lines in red, blue and yellow as detailed, and two clear top coats over game lines.

END OF SECTION