SECTION 09 93 10

HARDWOOD SPORT FLOOR FINISHING AND MAINTENANCE

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Hardwood sport floor finishing and maintenance of the following types
1.	Waterborne finishes and sealers.
2.	Oil-modified finishes and sealers.
3.	Paint.
4.	Sport floor maintenance.
1.2	RELATED SECTIONS
A.	Section 09 64 00 - Wood Flooring.
1.3	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.	Preparation instructions and recommendations.
2.	Storage and handling requirements and recommendations.
3.	Installation methods.
C.	Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.
D.	Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square representing actual product, color, and patterns.
1.4	QUALITY ASSURANCE
A.	Installer Qualifications: Trained in application of the manufacturer's floor products.
B.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
1.	Finish areas designated by Architect.
2.	Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.
3.	Refinish mock-up area as required to produce acceptable work.
1.5	DELIVERY, STORAGE, AND HANDLING
A.	Store products in manufacturer's unopened packaging until ready for installation.
B.	Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.
1.6	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 absolute limits.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Bona US, which is located at: 24 Inverness Place E. Suite 100; Englewood, CO 80112; ASD Toll Free Tel: 800-872-5515; Tel: 303-371-1411; Fax: 303-307-5029; Email: Frank.Coppolino@bona.com; Web: https://www.bona.com
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00.
2.2	WATERBORNE FINISHES AND SEALERS
A.	Finishes:
1.	Product: Bona SuperSport.
a.	Ingredients: Water, polyurethane resin, N-Methyl-2-Pyrrolidone, Dipropylene Glycol Monomethyl Ether and Dipropylene Glycol n-Butyl Ether.
b.	Color: Milky, off white (wet).
c.	pH: 8.3.
d.	Solids: 28 percent.
e.	Viscosity: (#4 Ford cup at 25 degree C) approx. 16 seconds.
f.	Density: 8.52 lbs./gallon (1.02 S.G.).
g.	US Regulatory VOC: 350 g/L.
h.	Gloss Level: (60 degrees) 88+.
i.	Odor: Non-offending.
j.	Stability: 1-year shelf life in unopened container.
k.	Percent Cured After 24 Hours: 70 percent; after 72 hours - 90 percent.
l.	Maximum Cure: 100 percent in one week.
2.	Product: Bona SuperSport Drive. 
a.	Ingredients: Water, polymeric resins, and propylene-base glycol ethers. 
b.	Color: Milky white (wet). 
c.	pH: 8.5. 
d.	Solids:  31 percent. 
e.	Density: 8.60 lbs./gallon (1.03 S.G.). 
f.	Viscosity: 20 to 30 cP. 
g.	US Regulatory VOC: 275 g/L. 
h.	Gloss Level:  60 degrees/ Gloss: 85 or above. 
i.	Odor: Very slight non-offensive odor. 
j.	Stability: 1-year shelf life in unopened container. 
k.	Clarity: Clear and colorless when dry. 
l.	Leveling: Excellent. 
m.	Defoaming: Excellent. 
n.	Drying Time: 2-3 hours. 
o.	Coverage - 500-600 square feet per gallon. 
p.	Percent Cured After 24 Hours: 70 percent, 72 hours - 90 percent. 
q.	Maximum Cure: - 100 percent after 1 week.
3.	Product: Bona SuperSport ONE Finish as manufactured by Bona US.
a.	Ingredients: Water, polymeric resin, Propylene-based glycol ether, levelling and defoaming agents.
b.	Color: Milky white (wet).
c.	Clarity: Clear when dry.
d.	pH: 8.0.
e.	Solids: 32.5 percent.
f.	Viscosity: (#4 Ford cup at 25 degrees C) approx. 17 seconds.
g.	Density: 8.66 lbs./gallon (1.04 S.G.).
h.	US Regulatory VOC: Less than 200 g/L.
i.	Odor: Non-offending.
4.	Product: Bona SuperSport Seal as manufactured by Bona US.
a.	Ingredients: Water, acrylic resin, Dipropylene Glycol Monomethyl Ether, defoamers.
b.	Color: Milky, off white (wet).
c.	Clarity: Clear when dry.
d.	pH: 7.8.
e.	Solids: 35 percent.
f.	Density: 8.66 lbs./gallon (1.04 S.G.).
g.	US Regulatory VOC: 100 g/L.
h.	Gloss Level: N/A.
i.	Odor: Non-offending.
B.	Sealers:
1.	Product: Bona SuperSport DTS as manufactured by Bona US.
a.	Ingredients: Water, polymeric resin, silica derivate, diethylene glycol monoethyl ether, propylene glycol.
b.	Color: Milky white (wet).
c.	Clarity: Clear when dry.
d.	pH: 7.5 to 7.9.
e.	Solids: 31 to 32 percent.
f.	Density: 8.66 lbs./gallon (1.04 S.G.).
g.	US Regulatory VOC: 250 g/L.
h.	Odor: Non-offending.
2.3	OIL-MODIFIED FINISHES & SEALERS
A.	Finishes:
1.	Product: Bona Sport Poly 350 as manufactured by Bona US.
a.	Ingredients: Oil-modified polyurethane resin, mineral spirits (solvent), driers.
b.	Color: Amber.
c.	Clarity: Clear when dry.
d.	Solids: 52-55 percent.
e.	Viscosity: (#4 Ford cup at 25 degrees C) approx. 22 to 26 seconds.
f.	Density: 7.6 lbs./gallon (.91 S.G.).
g.	US Regulatory VOC: 350 g/L.
h.	Gloss Level (60 degree): 90+.
i.	Odor: Mineral spirits.
j.	Flash Point: 104 degrees F (40 degrees C).
k.	Stability: 2-year shelf life in unopened container.
l.	Percent Cured After 24 Hours - 50 percent.
m.	Maximum Cure - 2 weeks.
2.	Product: Bona Sport Poly 275 as manufactured by Bona US. 
a.	Ingredients:  Oil-modified polyurethane resin, mineral spirits (solvent), silicone fluid (solvent), driers. 
b.	Color:  Amber. 
c.	Clarity:  Clear when dry. 
d.	Solids:  57 to 59 percent. 
e.	Viscosity:  (#4 Ford cup at 25 degrees C) approx. 18-24 seconds. 
f.	Density:  7.6 lbs/gallon (0.91 S.G.). 
g.	US Regulatory VOC:  275 g/L  
h.	Gloss Level (60 degree):  90+. 
i.	Odor: Mineral spirits. 
j.	Flash Point:  104 degrees F (40 degrees C) 
k.	Stability:  1-year shelf life in unopened container. 
l.	Percent Cured After 24 Hours:  50 percent. 
m.	Maximum Cure:  2 weeks.
3.	Product: Bona All Court Poly as manufactured by Bona US.
a.	Ingredients - Oil-modified polyurethane resin, mineral spirits (solvent), driers.
b.	Color: Light amber.
c.	Clarity: Clear when dry.
d.	Solids: 43 percent.
e.	Viscosity: (#4 Ford cup at 25 degrees C) approx. 14-16 seconds.
f.	Density: 7.3 lbs./gallon (0.9 S.G.).
g.	US Regulatory VOC: 500 g/L.
h.	Gloss Level (60 degree): 90+.
i.	Odor: Mineral spirits.
j.	Flash Point: 103 degrees F (39 degree C).
k.	Stability: 2-year shelf life in unopened container.
l.	Percent Cured After 24 Hours - 50 percent.
m.	Maximum Cure - 2 weeks.
4.	Product: Bona Sport Poly as manufactured by Bona US.
a.	Ingredients: Oil-modified polyurethane resin, mineral spirits (solvent), driers.
b.	Color: Light amber.
c.	Clarity: Clear when dry.
d.	Solids: 50 percent.
e.	Viscosity: (#4 Ford cup at 25 degrees C) approx. 21 to 24 seconds.
f.	Density: 7.5 lbs./gallon (.90 S.G.).
g.	US Regulatory VOC: 450 g/L.
h.	Gloss Level (60 degree): 90+.
i.	Odor: Mineral spirits.
j.	Flash Point: 110 degrees F (40 degrees C).
k.	Stability: 2-year shelf life in unopened container.
l.	Percent Cured After 24 Hours - 50 percent
m.	Maximum Cure - 2 weeks
B.	Sealers:
1.	Product: Bona Sport Seal as manufactured by Bona US.
a.	Ingredients: Oil-modified polyurethane resin, mineral spirits (solvent), driers, defoamers.
b.	Color: Light amber.
c.	Clarity: Clear when dry.
d.	Solids: 43 percent.
e.	Density: 7.3 lbs./gallon (.88 S.G.).
f.	US Regulatory VOC: 500 g/L.
g.	Viscosity: (#4 Ford cup at 25 degrees C) approx. 17 seconds.
h.	Odor: Mineral spirits.
i.	Flash Point: 110 degrees F (42 degree C).
j.	Stability: 2-year shelf life in unopened container
2.	Product: Bona Sport Seal 350 as manufactured by Bona US.
a.	Ingredients: Oil-modified polyurethane resin, mineral spirits (solvent), polysiloxane, driers, defoamers.
b.	Color: Light amber.
c.	Clarity: Clear when dry.
d.	Solids: 51 to 54 percent.
e.	Viscosity: (#4 Ford cup at 25 degrees C) approx. 22 to 26 seconds.
f.	Density: 7.7 lbs./gallon (.92 S.G.).
g.	US Regulatory VOC: 350 g/L.
h.	Odor: Mineral spirits.
i.	Flash Point: Greater than 104 degrees F (PMCC).
j.	Stability: 2-year shelf life in unopened container
3.	Product: Bona DriFast Sport Seal as manufactured by Bona US.
a.	Ingredients: Mineral spirits (solvent), urethane resins, silica, driers.
b.	Color: Wet - amber; Dry - light amber.
c.	Solids: 37 percent.
d.	Density: 7.21 lbs./gallon (.866 S.G.).
e.	US Regulatory VOC: 550 g/L.
f.	Odor: Mineral spirits.
g.	Flash Point: 103 degrees F (39 degrees C).
h.	Clarity: Clear.
i.	Stability: 2-year shelf life in unopened container.
2.4	PAINT
A.	Court Sport Floor Paint:
1.	Product: Bona CourtLines Sport Floor Paint as manufactured by Bona US.
a.	Ingredients: Alkyd resins, odorless mineral spirits, pigments, driers, titanium dioxide.
b.	Base Colors: Red, yellow, green, lt. blue, dark blue, orange, brown, black, white, gold, maroon, purple, lt. beige, gray, NC blue. Refer to drawings and finish schedule.
c.	Odor: Non-offending low odor.
d.	Solids: Colors - 47-51 percent; White - 66 percent.
e.	Flash Point: 100 degrees F (TCC).
f.	Density: Colors - 7.6 to 7.9 lbs./gallon; White - 11.1 lbs./gallon.
g.	US Regulatory VOC: Does not exceed 490 g/L.
h.	Stability: 2-year shelf life in unopened container
i.	Color: Light Blue.
j.	Color: Red.
k.	Color: Green.
l.	Color: White.
m.	Color: Black.
n.	Color: Orange.
o.	Color: Dark Blue.
p.	Color: Yellow.
q.	Color: Brown.
r.	Color: Purple.
s.	Color: Gold.
t.	Color: Maroon.
u.	Color: Grey.
v.	Color: Light Beige.
w.	Color: NC Blue.
2.	Product: Bona SuperSport Paint
a.	Ingredients: Polymer, Water, Dipropylene glycol n butyl ether, Dipropylene glycol monoethyl ether, and Pigments.
b.	Odor: Non-offending low odor.
c.	Solids: Colors: 32 - 46 percent.
d.	Density: Colors: 8.8-10.2 lbs./gallon; White: 9.9 lbs./gallon.
e.	US Regulatory VOC: Does not exceed 150 g/L.
f.	Stability: 18 months shelf life in unopened container.
g.	Drying Time: 3-4 hours before coating with waterborne finish, 12-16 hours for oil-modified. A second coat of paint can be applied within 30-90 minutes.
h.	Color: Light Beige.
i.	Color: Black.
j.	Color: Dark Blue.
k.	Color: League Blue.
l.	Color: NC Blue.
m.	Color: Brown.
n.	Color: Gold.
o.	Color: Gray.
p.	Color: Green.
q.	Color: Light Green.
r.	Color: Maroon.
s.	Color: Orange.
t.	Color: Purple.
u.	Color: Red.
v.	Color: White.
w.	Color: Yellow.
x.	Color: Light Yellow.
B.	Stains:
1.	System: Bona DriFast Stain.
a.	Ingredients: Wood tones: Oil-modified resins, mineral spirits (solvent), pigments, driers. White: Oil-modified resins, mineral spirits (solvent), titanium dioxide, fillers.
b.	Colors: Wood tones: Natural, Golden Oak, Nutmeg, Early American, Provincial, Special Walnut, Rosewood, Red Mahogany, Jacobean, Graphite, Medium Brown, Antique Brown, Puritan Pine, Cherry, Sedona Red, Spice Brown, Grey, Ebony, Bark, Cocoa, Driftwood, Birch, Aged Pewter, Twig and Sand Dune.
c.	Pastel: White (Not recommended on white oak due to excessive color variation).
d.	Solids: 5-47 percent
e.	Density: Wood tones: 7.2-7.5 lbs.s/gallon (0.86-0.90 s.g.), White: 8.7-9.0 lbs.s/gallon (1.04-1.8 s.g.)
f.	US Regulatory VOC: 550 g/L
g.	Odor: Mild solvent odor
h.	Stability: Two-year shelf life in unopened container
i.	Flashpoint: 116.6 degrees F (47 degrees C)
j.	Clarity: Semi-transparent (dry)
k.	Drying Time: 2 hours for wood tones, 6 hours minimum for white and 12-18 hours for Ebony, Spice Brown, Bark and Cocoa under ideal conditions of 60 degrees - 80 degrees F (16 degrees - 27 degrees C) with 35-75 percent relative humidity.
2.	Product: Bona DriFast Stain - Metropolitan.
3.	Product: Bona DriFast Stain - Classic.
4.	Product: Bona DriFast Stain - Essentials.
5.	Product: Bona DriFast Stain - Naturals.
C.	Tints and Blends:
1.	Contact manufacturer.
D.	Color Blend Formulas. Contact your Bona Sale Representative or email Paint.Request@bona.com.
2.5	SPORT FLOOR MAINTENANCE
A.	Floor Cleaners:
1.	Product: Bona SuperCourt Cleaner.
a.	Leaves no residue.
b.	Safe for wood floors.
c.	Specifically designed for gym floor cleaning/auto scrubber.
d.	Tilt-n-Measure for easy use.
e.	Concentrated 1:128.
f.	Green Seal Certified.
B.	Accessories:
1.	Bona SuperCourt Athletic Floor Care System
2.	Bona SuperCourt Athletic Floor Care Microfiber Scrubbing Pads.
3.	Bona SuperCourt Athletic Floor Care Microfiber Dry Dusting Pads.
4.	Bona SuperCourt Athletic Floor Care Microfiber Wet Cleaning Pads.
5.	Bona SuperCourt Dispensing Unit.
C.	Sport Cleaner Concentrate:
1.	Product: Bona Pro Series Hardwood Cleaner Concentrate as manufactured by Bona US.
a.	Ingredients: Water, glycol ether solvents, non-ionic and anionic surfactants.
b.	Color: Light purple (wet).
c.	pH: 7.0 to 8.0.
d.	Solids: Less than 1 percent.
e.	Density: 8.34 lbs per gal (1.0 s.g.).
f.	VOC: Less than 1 percent.
g.	Odor: Non-Offending.
h.	Certification: GREENGUARD GOLD for indoor air quality. 
i.	LEED: Complies with USGBC LEED low-VOC requirements. 
D.	Prep System and Recoat Optimizer:
1.	Product: Bona Prep as manufactured by Bona US.
a.	Ingredients: Surfactants, Dipropylene Glycol Monomethyl Ether, Ethylene Glycol Monobutyl Ether, water, other proprietary ingredients.
b.	Color: Amber (wet). 
c.	Clarity: Negligible residue (dry). 
d.	pH: 7.0 to 8.0. 
e.	Solids: Less than 1 percent.
f.	Density: 8.32 lbs./gallon (1.0 S.G.). 
g.	VOC: Less than 2 percent.
h.	Odor: Light antiseptic. 
i.	LEED: Complies with USGBC LEED low-VOC requirements.
PART 3    EXECUTION
3.1	MANUFACTURER'S INSTRUCTIONS
A.	Comply with the instructions and recommendations of the floor finish system manufacturer.
B.	For new installation of floors, use only in structures with humidity and temperature controls. Do not use over channel and clip floor systems in environments not controlled for temperature and humidity.
3.2	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.
3.3	PREPARATION
A.	Protection: Protect adjacent finish surface to prevent damage during sanding and sport floor system application.
B.	Surface Preparation:
1.	Sand and prepare floor using MFMA accepted methods.
2.	For Sport Poly 350 oil modified system, make final sanding cut to 100 - 120 grit paper. Screen with 100 - 120 grit screen.
3.	For Sport Poly 275 oil modified system, make final sanding cut to 100 - 120 grit paper. Screen with 100 - 120 grit screen.
4.	For SuperSport waterborne system, make final cut with 100 - 120 grit sandpaper and screen to 120 - 150 grit.
5.	Vacuum thoroughly.
6.	For Sport Poly 350, tack with mineral spirits.
7.	For Sport Poly 275, tack with mineral spirits, a slightly damp Bona SuperCourt Microfiber Wet Tacking Pad, or a dry Bona SuperCourt Microfiber Tacking Pad
8.	For SuperSport, tack with slightly water dampened Bona Mop or cloth.
3.4	APPLICATION
A.	Specific application methods vary with product. Consult manufacturer and comply fully with manufacturer's application recommendations.
1.	Before using these products, read and understand all directions and the Material Safety Data Sheets (MSDS).
2.	Shake well before using.
3.	Do not thin products.
4.	Keep from freezing.
B.	Finish System: As scheduled or indicated on the drawings.
1.	4-coat system, 1 to 2 coats of a sport sealer, court lines paint (where scheduled or indicated) and 2 to 3 coats of a sport court finish.
3.5	PROTECTION
A.	After application, protect floor finish from damage during subsequent work.
B.	Do not allow foot traffic until floor is sufficiently dried and cured.

END OF SECTION