SECTION 09562

HARDWOOD FLOORING - NAILED

PART 1 GENERAL

SECTION INCLUDES

[Sheet vapor retardant] [.] [and] [sleepers.]

Wood flooring.

Surface finishing.

RELATED SECTIONS

Section [_____-__________]: [Recessed] Concrete subfloor surface.

Section [_____-__________]: Wood [overlay] subfloor surface.

Section [_____-__________]: Adjacent floor finish with edging abutting wood strip flooring.

Section [_____-__________]: Cushioned wood gymnasium flooring.

Section 09561 - Hardwood Flooring - Adhesive Applied.

Section 09570 - Wood Parquet Flooring.

[Section 09900 - Painting: Surface Finish to Flooring.]

REFERENCES

MFMA - Maple Flooring Manufacturers Association.

NOFMA - National Oak Flooring Manufacturers Association.

SUBMITTALS

Submit shop drawings under provisions of Section [01300.] [01340.]

Submit shop drawings indicating floor joint pattern and termination details.

Submit product data under provisions of Section [01300.] [01340.]

Submit product data for floor finish materials.

Submit samples under provisions of Section [01300.]

[01340.]

Submit [two] [_____] samples [___x__] inch ([___x___] mm) in size illustrating floor finish, color, and sheen.

Submit [MFMA] [NOFMA] [_____] certificate under provisions of Section [01400] [01405] that [products] [__________] meet or exceed [specified requirements.] [_______________.]

Submit [manufacturer's] [MFMA] [NOFMA] [_____] installation instructions under provisions of Section [01300.] [01340.]

MAINTENANCE DATA

Submit maintenance data under provisions of Section [01700.] [01730.]

Include recommended cleaning methods, cleaning materials, stain removal methods, and polishes and waxes.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the products specified in this Section with minimum [three] [_____] years [documented] experience.

Installer: Company specializing in applying the work of this Section [with minimum [_____] years [documented] experience.] [approved by manufacturer.]

REGULATORY REQUIREMENTS

Conform to [applicable] [__________] code for flame spread rating of finished floor surface.

Provide certificate of compliance from [authority having jurisdiction.] [_______________.]

DELIVERY, STORAGE AND HANDLING

Deliver products to site under provisions of Section [01600.] [01610.]

Store and protect products under provisions of Section [01600.] [01620.]

Deliver materials to permit moisture content to stabilize to ambient conditions.

ENVIRONMENTAL REQUIREMENTS

Do not install wood flooring until wet construction work is completed and ambient air at installation space has moisture content stabilized.

Provide permanent heat, light, and ventilation prior to installation.

Maintain minimum room temperature [65] [___] degrees F ([18] [___] degrees C) for period of 2 days prior to delivery of materials during and after installation.

PART 2 PRODUCTS

MANUFACTURERS

[______________________________] Product [__________.]

[______________________________] Product [__________.]

[______________________________] Product [__________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MATERIALS

Flooring: Species and grade stamped on underside of each piece, conforming to the following:

Species:	[White Hard Maple (Acer Saccharum).]	[Beech (Fagus Gradifolia).] [White Birch (Betula Alleghaniensis).]

Grade:	[First.] [Second and better.] [Third and better.] [Third.]

Cut:	Edge Grain.

Moisture Content:	[12 to 14] [__________] percent.

Actual Thickness:	[25/32] [33/32] [41/32] [_____] inch([20] [26] [32.5] [_____] mm).

Actual Width:	[1-1/2] [2-1/4] [3] [3-1/4] [3-1/2]	[_____] inches ([38] [57] [76] [83] [89] [_____] mm).

Edge:	[Tongue and Groove.] [Square.] [Bevelled.][__________.]

End:	[End matched.] [Square.]

Length:	[Random, minimum of [___] inches ([___] mm).] [_______________.]

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

Flooring: Species and grade stamped on underside of each piece, conforming to the following:

Species:	[White] [Red] Oak.

Grade:	[Clear.] [Select and better.] [No. 1 Common.] [No. 2 Common.]

Cut:	[Plain] [Quarter] sawn.

Moisture Content:	[12 to 14] [__________] percent.

Actual Thickness:	[3/4] [11/32] [15/32] [5/16] [33/32] [_____] inch ([19] [8.7] [12] [8] [26] [_____] mm).

Actual Width:	[1-1/2] [2] [2-1/4] [3] [3-1/4] [3-1/2] [_____] inches ([38] [51] [57] [76] [83] [89] [_____] mm).

Edge:	[Tongue and Groove.] [Jointed.] [Bevelled.][__________.]

End:	[End matched.] [Square.]

Length:	[Random, minimum of [_____] inches ([_____] mm).] [__________.]

ACCESSORIES

Divider Strip: [Angle] [Tee] [Mill finish] [__________] anodized aluminum to [__________] profiles[.] [recommended by manufacturer.]

Sheet Vapor Retardant: [8] [_____] mil ([0.2] [_____] mm) thick, black polyethylene, with 2 inch (50 mm) wide tape for sealing.

Sleepers and Shims: Softwood lumber, pressure treated for moisture protection, [2 x 3] [_____] inch ([50 x 75] [_____] mm) size.

Sheathing paper: [Waxed kraft paper.] [[Asphalt impregnated] [plain] building paper.] [[4] [_____] mil ([0.10] [_____] mm) polyethylene.] [__________.]

Nails: [Type recommended by flooring manufacturer.] [__________.]

Wood Plugs: Round shape, [3/4] [_____] inch ([19] [_____] mm) diameter x [1/8] [_____] inch ([3] [_____] mm) thick, of [same] [__________] species as flooring.

FINISHES

Floor Finish: [Two component polyurethane] [Varnish]

[__________], type recommended by flooring manufacturer.

PART 3 EXECUTION

EXAMINATION

Verify that surfaces are ready to receive work.

Verify that [recessed] subfloor surface is smooth and flat.

Verify that required floor mounted utilities are in proper location.

Beginning of installation means installer accepts existing surfaces.

PREPARATION

Broom clean substrate.

INSTALLATION

Place sheathing paper, lap edges and ends 2 inches (50 mm), staple in place.

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

Place sheet vapor retardant over subfloor surface, lapping edges and ends minimum 6 inches (150 mm) and tape sealing; [staple] [spot glue] in place. Place sleepers over vapor retardant at [12] [_____] inches ([300] [_____] mm) oc. Shim sleepers to level line. Place sheathing paper, lap edges and ends 2 inches (50 mm), staple in place.

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

Place sleepers over subfloor surface [12] [_____] inches ([300] [_____] mm) oc. Shim underside of sleepers to level line. Place [sheathing paper, lap edges and ends 2 inches [50 mm)] [vapor retardant, lap edges and ends 6 inches (150 mm) and tape sealed]; staple in place.

[Predrill and] blind nail flooring in accordance with manufacturer's instructions.

Lay flooring symmetrical to room center line.

Lay flooring [strips] [planks] parallel to [length] [width] of room areas.

Arrange [strips] [planks] with [end matched grain] [square ends] set flush and tight.

Provide divider strips [at centerline of door openings] [.] [and] [where flooring terminates with other floor areas.]

Provide [1/4] [_____] inch ([6] [_____] mm) expansion space at walls and other interruptions.

FINISHING

Sand flooring to smooth even finish with no evidence of sander marks. Take precautions to contain dust. Remove dust by vacuum.

Mask off adjacent surfaces.

Apply [three] [_____] finish coats in accordance with floor finish manufacturer's instructions.

Apply first coat, allow to dry and buff with steel wool to remove irregularities. Vacuum clean and wipe with damp cloth.

Apply second [and successive] [coat.] [coats.] Allow to dry. Lightly buff with steel wool and vacuum clean.

Apply last coat of finish.

SCHEDULE

Entry Foyer: Red oak, random length strip, nailed to wood subfloor, two coat varnish finish.

Corridor 103: White maple, equal length, staggered joint, nailed to sleepers over concrete subfloor, three coat urethane finish.

END OF SECTION