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PAINT SPECIFICATIONS
SECTION 09910
PAINTS AND COATINGS
PART I GENERAL
1.1 SECTION INCLUDES
A. Paints,
B. Preparation of new surfaces for painting,
C. Preparation of existing surfaces for re-painfing,
1.2 REFERENCES
A. SSPG-SP 1- Solvent Cleaning; Society for Protective Coatings; 1982-
B. SSPG-SP 2 - Hand Tool Cleaning; Society for Protective Coatings; 1995.
C. SSPC-SP 3 - Power Tool Cleaning; Society for Protect!" Coatings; 1995.
1.3 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's data sheets on each paint and coating product to be used, including:
1. Product characteristics.
2. Preparation instructions and recommendations.
3. Primer requirements and recommendations.
4. Storage and handling requirements and recommendations.
5. Application methods.
C. Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturers full range of available colors and sheens.
D. Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color, and sheen,
1,4 MOCK-UP
A. Finish all surfaces required to be painted in one room.
1. Finish room designated by Architect.
2. Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect
1 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 apply coatings
under environmental conditions outside manufacturer's absolute limits.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer Pratt & Lambert Paints, which is located at 101 W. Prospect Ave. ; Cleveland, OH 44115; Toll Free Tel: 800-289-7728; Fax: 216-566-1655;
Email: drwafter@shefwin.com; Web: www.prattandlambertcom
B, Substitutions: To be submitted for approval.
C. Requests for substitutions will be considered in accordance with provisions of Section 01600.
1. When submitting request for substitution, provide complete product data specified above under Submittals, for each substitute product.
21 APPLICATIONS/SCOPE
A. Scope: Use products specified in this section to finish ALL interior surfaces exposed to view, unless otherwise indicated; DO NOT PAINT THE FOLLOWING:
1. Items indicated to receive other finishes.
2. Items indicated to remain unfinished.
1 Marble, granite, state, and other natural stones.
4. Glass.
5. Stainless steel, anodized aluminum, bronze, teme, and lead.
6. Equipment nameplates, fire rating labels, and operating parts of equipment
7. Acoustical materials.
B. Interior Surfaces To Be Painted:
1. Gypsum board, plaster, concrete, and concrete masonry walls, ceilings, soffits, bulkheads, and columns.
2. Wood trim, paneling, and frames - transparent finish.
1 Wood doors - factory-finished (see Section 08211).
C. Colors: To be selected by Architect/Owner from manufacturer's full range of available colors.
1. Finish pipes, ducts, and conclud the same color as the wall/ceiling they are mounted on/under.
2. Dark Colors and Deep Clear Colors: Regardless of number of coats specified, apply as many coats as necessary for complete hide.
2.3 INTERIOR PAINT SYSTEMS
A. All Interior Surfaces To Be Painted, Unless Otherwise Specified:
1. Preparation as specified by manufacturer.
Z 1 coat of primer recommended by manufacturer.
3. On Concrete and Concrete Masonry: 1 heavy coat Pro-Hide Silver Heavy Duty Latex Block Filter (I DD percent Acrylic) squeegeed into pores.
4. Eggshell: 2 coats RedSeal Interior Latex Eggshell Finish (Acrylic latex).
B. Interior Gypsum Wallboard Ceilings and Other Overhead Surfaces - White-
1. Preparation as specified by manufacturer.
Z 1 coat of primer recommended by manufacturer.
1 Flat 2 coats Skylight Latex Ceiling Paint (Vinyl Acrylic latex).
2A MATERIALS - GENERAL REQUIREMENTS
A. Paints and Coatings - General:
1. Unless otherwise indicated, provide factory-mixed coatings. When required, mix coatings to correct consistency in accordance with manufacturer's instructions before
application. Do not reduce, thin, or dilute coatings or add materials to coatings unless such procedure is specifically described in manufacturer's product instructions.
2. For opaque finishes, tint each coat including primer coat and intermediate coats, one-half shade lighter than succeeding coat with final finish coat as base color.
1 Supply each coating material in quantity required to complete entire projeds work from a single production run.
B. Primers: Where the manufacturer offers options on primers for a particular substrate, use primer categorized as best'; by the manufacturer.
1. Back Primer for Opaque-Finished Woodwork, Exterior. SuPrime Exterior Alkyd Wood Primer.
2. Back Primer for Transparent-Finishod Woodwork: Same as finish coat.
C. Coating Application Accessories: Provide all primers, sealers, cleaning agents, cleaning cloths, sanding materials, and clean-up materials required.
PART 3 EXECUTION
3.1 EXAMINATION
A. Do not begin application of coatings until substrates have been property 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 coating application.
B. Prepare surfaces using the methods recommended by the manufacturer for achieving The best result for the substrate under the project conditions.
C. Seal surfaces that might cause bleed-through or staining of topcoat
D. Prepare rusted steel surfaces using at least SSPC-PC 2 (hand tool cleaning) or SSPC-SP 3 (power tool cleaning) followed by SSPC-SP I (solvent cleaning).
33 INSTALLATION
X Sir coatings before and during application as recommended by manufacturer.
B. Do not apply to wet or damp surfaces.
1. Wait at least 30 days before applying to new concrete masonry.
2- Test now concrete for moisture content.
3. Wad until wood is fully dry after rain or morning fog or dew.
C. Apply coatings using methods recommended by manufacturer.
D. Apply coatings without runs, drips, or sags, Wrftut brush marks, and with consistent sheen.
E. Apply coatings at spreading rate required to achieve the manufacturer's recommended film thickness.
F. Dark Colors and Deep Clear Colors: Regardless of number of coats specified, apply as many coats as necessary for complete hide.
G. Exterior Woodwork: If final painting must be delayed more than 2 weeks after installation of woodwodr, apply primer within 2 weeks and final coating within 4 weeks.
34 PROTECTION
A. Protect finished coatings until completion of pmjecL
B. Touch-up damaged coatings after Substantial Completion.
1 0 0
GYPSUM BOARD SPECIFICATIONS
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PART I GENERAL
1.1 SECTION INCLUDES
A. Gypsum board and accessories.
B. Interior metal framing systems and accessories.
12 RELATED SECTIONS
X Section 05400 - Cold Formed Metal Framing.
B. Section 06100 - Rough Carpentry; SPIBgrade-stamped wood studs for framing.
C. Section 07210 - Building Insulation.
D. Section 07840 - Fire-Stopping.
E. Section 07910- Joint Sealants.
F. Section 08310 - Access Doors and Panels-
G. Section 09215 - Gypsum Veneer Plaster.
H. Section 09900 - Painting.
1.3 REFERENCES
A. American Society for Testing and Materials (ASTM):
1. ASTM C 473 - Standard Test Methods for Physical Testing of Gypsum Panel Products.
2. ASTM C 475 - Standard Specification for Joint Compound and Joint Tape for Finishing Gypsum Board.
3. ASTM C 514 - Standard Specification for Nails for the Application of Gypsum Board.
4. ASTM C 645 - Standard Specification for Nonstructural Steel Framing Members.
5. ASTM C 665 - Standard Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing.
6. ASTM C 754 - Standard Specification for Installation of Steel Framing Members to Receive Screw-Attached Gypsum Panel Products.
7. ASTM C 840 - Standard Specification for Application and Finishing of Gypsum Board.
8. ASTM C 919 - Standard Practice for Use of Sealants In Acoustical Applications.
9. ASTM C 954 - Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs.
10. ASTM C 1002 - Standard Specification for Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases
to Wood Studs or Steel Studs.
11. ASTM C 1047 - Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base.
12. ASTM C 1280 - Standard Specification for Application of Gypsum Sheathing.
13. ASTM C 1396 - Standard Specification for Gypsum Board.
% ASTM D 1037 - Test Methods for Evaluating Properties of Wood-Based Fiber and Particle Panel Materials.
15. ASTM ID 3273 - Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber.
16. ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
17. ASTM E 90 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.
18. ASTM E 119 - Standard Test Methods for Fire Tests of Building Construction and Materials.
19. ASTM E 413 - Classification for Rating Sound Insulation.
B. Gypsum Association (GA):
1. GA-214 - Recommended Levels of Gypsum Board Finish.
2. GA-216 - Application and Finishing of Gypsum Panel Products.
3. GA-253 - Application of Gypsum Sheathing.
4. GA-600 - Fire Resistance Design Manual.
C. ITS (Dir) - Directory of Listed Products; Intertek Testing Services.
D. ULC (FRO) - Fire Resistance Directory, Underwriters' Laboratories of Canada.
E. UL (FRO) - Fire Resistance Directory, Underwriters Laboratories Inc.
F. UL 263 - Standard for Fire Tests of Building Construction and Materials.
1.4 DESIGN REQUIREMENTS
A. Metal Framing: Provide non-load bearing steel stud partitions with deflections conforming to L/360 at 15 pst (718 Pa) for veneer plaster walls and
L1240 at 5 pat (239 Pa) typical for gypsum board walls.
B. Sound Transmission Characteristics: For gypsum board assemblies with STC ratings, provide materials and construction identical to those tested in
assembly indicated according to ASTM E 90 and classified according to ASTM E 413 by a qualified independent testing agency.
C. Impact-Resistant Characteristics: No structural failure at 400 foot pounds per ASTM E 195.
D. Mold-Resistant Characteristics: Rating of 10 according to ASTM D 3273 mold testing.
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. I Product Data ]: Mainufacturees data sheets on each product to be used, including:
1. Gypsum board, joint tape and finish.
2. Preparation instructions and recommendations.
3. Storage and handling requirements and recommendations.
4. Installation methods.
C. Shop Drawings:
1. Indicate details associated with fireproofing and acoustical seals, opening locations and details, and opening termination details.
D. Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturers full range of available colors and
patterns.
E. Verification Samples: For each finish product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product, color,
and patterns.
1.6 QUALITY ASSURANCE
A. Installer Qualifications: Perform work by company specializing in Work of this Section with minimum 3 years documented experience.
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.
1.7 DELIVERY, STORAGE, AND HANDLING
X Store products inside under cover and keep them dry and protected against damage fr-,m weather, direct sunlight surface contamination, conosion,
construction traffic, and other damaging causes.
1. Neatly stack gypsum boards flat to prevent sagging.
2. Handle gypsum boards to prevent damage to edges, ends, and surfaces.
1 Protect adhesives and joint compounds from freezing or overheating per manufacturers instructions.
4. Protect metal framing studs.
B. Store and dispose of solvent-based materials and supplies used with solvent-based materials, in accordance with requirements of local authorities
having jurisdiction.
1.8 PROJECT CONDITIONS
A. Establish and maintain environmental conditions for application and finishing gypsum board to comply with ASTM C 840 and GA-216.
B. Minimum Room Temperatures:
1. For non-adhesive attachment of gypsum board to framing, maintain not less than 40 degrees F (4.5 degrees C).
2. For adhesive attachment of gypsum board maintain not less than 50 degrees F (10 degrees C) for 48 hours prior to application and continuously
thereafter unit drying is complete.
C. Ventilate building spaces to remove moisture not required for drying joint treatment materials. Avoid draft during dry, hot weather to prevent
materials from drying too rapidly.
PART 2 PRODUCTS
2.1 MANUFACTURERS
X Acceptable Manufacturer Temple - Inland Forest Products Corp, - Gypsum Products, which is located at 303 S. Temple Dr. P. 0. Box N Diboll, TX
75941; Toll Free Tel: 800-231-6060; Tel: 972-467-3499; Fax: 972-231-6193; Email: glennmiller@templeiniand.com; Web: www.temple.com
B. Requests for substitutions will be considered in accordance With provisions of Section 01600.
2.2 MATERIALS
A. Gypsum Board Materials: As manufactured by
1. Regular Gypsum Board: Regular type.
a. Thickness: 12 inch (13 mm).
2. Water-Resistant Gypsum Backing Board: Water-resistant gypsum backing board.
a. Thickness: 12 inch (13 mm).
3. Gypsum Ceiling Board: Regular Span24 Gypsum Board.
a. Thickness: 12 inch (13 mm).
2.3 ACCESSORIES
X Sound Attenuation Blankets: ASTM C 665, Type I blankets without membrane facing produced by combining thermosetting resins with mineral
fibers manufactured from glass, slag wool, or rock wool. Fire-rated as required by assembly.
B. Metal Comer Beads: ASTM C1047; formed galvanized steel angle, minimum base steel 0.014 inch thick, sizes as required to suit substrate.
C. Fastening Devices for Metal Framing: ASTM C1002.
D. Fastening Devices for Wood Framing: ASTM C514.
E. Joint Compound and Tape: ASTM C 475.
2.4 METAL FRAMING
A. Metal Framing Materials:
1. Studs and Tracks: ASTM C645; galvanized sheet steel studs. Gage and widths as indicated on Drawings.
2. Deep-Leg Defection Track. ASTM C645 top runner with 2-inch (51 mm) deep flanges.
3. Main Runner Channels: 1-12 inch (38 mm) deep, galvanized. Gage and width as indicated.
4. Cross Furring Channels: 314 inch (19 mm), galvanized. Gage and width as indicated complying with AM 0645.
5. Rigid Furring Channels: 718 inch (22 mm) hat shaped channels, galvanized. Gage and width as indicated complying with ASTM C645.
& Furring Channels: 1-12 inch (38 mm) Z shaped channels complying with ASTM C645. Gage and width as indicated.
7. Resilient Furring Channels: Gage and thickness as indicated, galvanized, complying with ASTM 0645.
B. Grid Suspension System for Interior Ceilings: ASTM 0645, dired-hung system composed of main beams and cross- furring members that interlock
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine areas and conditions under which Work of this Section will be performed. Correct conditions detrimental to timely and proper completion of
Work- Do not proceed unlit unsatisfactory conditions are comected.
B. Examine substrates to which gypsum board construction attaches or abuts. Verify pro-set hollow metal frames, cast-in anchors, and structural
framing for compliance with requirements for installation tolerances and other conditions affecting performance of gypsum board construction.
3.2 PREPARATION
A. Ceiling Anchorage: Coordinate installation of ceiling suspension with installation of overhead structural systems to ensure that inserts and other
structural anchorage provisions have been installed to receive ceiling anchors in a manner that will develop their full strength and at spacing required to support
ceiling.
1. Provide concrete inserts and steel deck devices to other trades for installation well in advance of time needed for coordination With other
construction.
K �W If W. 1. 1
A. Metal Framing - General:
1. Install steel framing to comply with ASTM C754 and with ASTM C840 requirements that apply to framing installation. - - - - -
-
2. Install supplementary framing, blocking, bracing at termination in Work, and support of fixtures, equipment services, heavy trim, grab bars, toilet accessories, furnishings,
and similar construction to comply with details indicated on Drawings and with recommendations of gypsum board manufacturer.
3. Isolate steel framing from building structure to prevent transfer of loading imposed by structural movement, at locations indicated below to comply with details indicated on
Drawings:
a. Where edges of suspended ceilings abut building structure horizontally at ceiling perimeters or penetrations of structural elements.
b. Where partitions and wall framing abuts overhead structure,
C. Provide slip type joint as detailed to attain lateral support and avoid axial loading.
4. Do not bridge building expansion and control joints with steel framing or furring members. Independently frame both sides of joints with framing or furring members.
B. Metal Framing - Walls and Partitions:
1. Install runners (track) at floors, ceilings, and structural walls and columns where gypsum board stud system abuts other construction.
a. Where studs are installed directly against exterior walls, install asphalt felt strips between studs arid wall.
2. Metal Stud Spacing: Maximum 16 inches (406 mm) on center, unless noted otherwise. For applications that exceed laterally unsupported height limitations, provide
engineered studs per Section 05400 - Cold Formed Metal Framing. Use gage and depth of stud required to meet maximum deflection requirements.
1 Installation Tolerances: Install each steel framing and furring member so that hastening surfaces do not vary more than 1/8 inch (3 mm) from plane of faces of adjacent
framing.
4. Extend partition framing full height to structural supports or substrates above suspended ceilings, except where partitions are indicated to terminate at suspended ceilings.
Continue framing over frames for doors and openings and frame around ducts penetrating partitions above ceiling to provide support for gypsum board.
5. Install steel studs in sizes and spacing indicated on Drawings, but not less than that required by referenced steel framing installation standards.
6. Install steel studs so that flanges point in the same direction and gypsum boards can be installed in the direction opposite to that of the flanges.
7. Frame door openings to comply with details indicated on Drawings, with GA-216, and with applicable published recommendations of gypsum board manufacturer. Attach
vertical studs at jambs with screws either directly to frames or to jamb anchor clips on door frames. Install runner track section (for cripple studs) at head and secure to jamb studs.
8. Extend vertical jamb studs through suspended ceilings and attach to underside of floor or roof structure above.
9. Frame openings other than door openings to comply with details indicated on Drawings, or if none is indicated, in same manner as required for door openings; and install
framing below sills of openings to match framing required above door heads.
10. Blocking: Bolt or screw steel channels to metal studs. Install concealed wood blocking for support of plumbing fixtures, toilet partitions, wall cabinets, toilet
accessories, hardware, and other related items that require backing for support under provisions of Section
11. Install vapor retarder on interior of framing members of exterior walls and soffits or interior face of masonry wall construction as shown on Drawings, and to comply with the
following requirements:
a. Extend vapor retarder to extremities of exterior insulated walls, and to cover miscellaneous voids in insulated substrates, including those that have been stuffed with loose thermal
insulation.
b. Seal vertical joints in vapor retarders over framing by lapping vapor retarders not less than 2 wall studs. Fasten vapor retarders to framing at top, end, and bottom edges, at
perimeter of wall openings, and at lap joints.
C. Seal joints in vapor retarders caused by pipes, conduits, electrical boxes, and similar items penetrating vapor retarders with cloth or aluminized tape which bonds permanently to
vapor retarder.
it. Repair tears and punctures in vapor retarder immediately before concealment by application of gypsum board or other construction.
e. Use fire-resistive type vapor retarder in locations where vapor retarder is not covered with gypsum board. Attach as per manufacturer's written instructions.
f. Use non-resistive type vapor retarder where vapor retarder is covered with gypsum board.
C. Metal Framing - Suspended and Furred Ceilings:
1. Secure hangers to structural support by connecting diriedly to structure where possible, otherwise conned to cast4n concrete inserts or other anchorage devices or
fasteners as indicated on Drawings.
a. Do not attach hangers to metal deck tabs.
b. Do not attach hangers to metal roof deck
C. Do not attach hangers to underside of concrete slabs with power-actuated fasteners.
2. Install metal ceiling framing per ASTM 0754, and space main runners at 4 feet (1219 mm) on center maximum.
1 Do not connect or suspend steel framing from ducts, pipes, or conduit.
4. Keep hangers and braces 2 inches (51 mm) clear of ducts, pipes, or conduits.
5. Sway-brace suspended steel framing with hangers used for support
6. Comply With local governing code requirements where applicable.
D. Gypsum Wallboard - General:
1. Gypsum Board Application and Finishing Standards: Install and finish gypsum board to comply with ASTM C 840 and GA-216.
2. Install sound attenuation insulation, specified in Section 07210, where indicated on Drawings, prior to gypsum board installation unless readily installed after board has
been installed.
3. Locate exposed end-buttjoints as far from center of walls and ceilings as possible, and stagger not less than 24 inches (610 mm) in alternate courses of board.
4. Install ceiling boards across framing in the manner which minimizes the number of end-butt joints, and which will avoid end joints in the central area of each ceiling.
Stagger end joints a minimum of 24 inches (610 mm).
5. Install wall and partition boards vertically unless otherwise noted,
6. Install exposed gypsum board with face side out Do not install imperfect damaged, or damp boards. Butt boards together for a light contact at edges and ends with not
more than 1116 inch (1.5 mm) open space between boards. Do not force into place.
7. Locate either edge or end joints over supports, except in horizontal applications or where intermediate supports or gypsum board back-blocking is provided behind end
joints. Position boards so that like edges abut tapered edges against tapered edges, and mill-curt or field-cut ends against mill-cut or field-cut ends. Do not place tapered edges against
cut edges or ends. Stagger vertical joints over different studs on opposite sides of portions.
8. Attach gypsum board to steel studs so that leading edge or end of each board is attached to open (unsupported) edge of stud flange first
9. Attach gypsum board to supplementary framing and blocking provided for additional support at openings and cut-outs.
10. Form control joints and expansion joints at locations indicated on Drawings, and as recommended by Gypsum Association, with space between edges of boards prepared
to receive trim accessories.
a. Maximum distance between control joints: 30 linear feet (9144 mm).
11. Cover both faces of steel stud partition framing with gypsum board in concealed spaces (above ceilings, etc,), except in chase walls that are property braced internally.
a. Fit gypsum board around ducts, pipes, and conduits.
b. Where partitions intersect open concrete coffers, cut gypsum board to fit profile of coffers and allow 114 to 112 inch (6 mm to 13 mm) wide joint for sealant.
12. Isolate perimeter of non4oad bearing drywall partitions at structural abutments. Provide 114 to 112 inch (6 mm to 13 mm) space and trim edge with 'U* bead edge trim.
Seal joints with acoustical sealant See also 07910.
13. Where sound-rated drywall construiction is indicated on Drawings, seal construction at perimeters, control and expansion joints, openings, and penetrations with a
continuous bead of acoustical sealant including a bead at both faces of partitions. Comply with ASTM C919 and manufaidurer's recommendations for location of edge trim, and dose off
sound-flanking paths around or through construction, including sealing of partitions above acoustical ceilings.
a. For double -layer partition systems, construction above acoustical plaster ceilings may be installed with base layer only.
14. Space fasteners in gypsum boards per referenced gypsum board application and finishing standard and maru3cturers recommendations.
15. Curved Gypsum Partitions and Surfaces: Install gypsum board panels horizontally with wrapped edges perpendicular to metal framing per manufacturer's
recommendations.
E. Accessories:
1. General: Where feasible, use the same fasteners to anchor trim accessory flanges as required to fasten gypsum board to the supports. Otherwise, fasten flanges to
comply with manufacturers recommendations.
2. Install metal comer beads at external comers.
3. Install metal edge trim whenever edge of gypsum board would otherwise be exposed or semi-exposed, except where plastic trim is indicated on Drawings. Provide type
with face flange to receive joint compound except where 'U* bead (semi-finishing type) is indicated.
4. Install gypsum board reveals where indicated on Drawings,
5. Install control joints at locations indicated on Drawings, or if not indicated, at spacing and locations required by referenced gypsum board application and finish standard,
and approved by Architect for visual effect.
3A JOINT TREATMENT
A. General:
1. Inspect areas to be joint treated, verifying that the gypsum board fits snugly against supporting framework,
2. In areas where joint treatment and compound finishing will be performed, maintain a temperature of not less than 55 degrees F (13 degrees C) for 24 hours prior to
commencing the treatment, and until joint and finishing compounds have dried.
3. Apply the joint treatment and finishing compound by machine or hand tool.
4. Provide a minimum drying time of 24 hours between coats, with additional drying time in poorly ventilated areas.
B. Embedding Compounds:
1. Apply to gypsum board joints and fastener heads in a thin uniform layer.
2. Spread the compound not less than 3 inches (76 mm) wide at joints, center the reinforcing tape in the joint and embed the tape in the compound. Then, spread a thin
layer of compound over the tape.
1 After this treatment has dried, apply a second coat of embedding compound to joints and fastener heads, spreading in a thin uniform coat to not less than 6 inches (152
mm) wide at joints. Feather edges.
4. Sand between coats.
5. When thoroughly dry, sandpaper to eliminate ridges and high points.
C. Finishing Compounds:
1. After embedding compound is thoroughly dry and has been completely sanded, apply a coat of finishing compound to joints and fastener heads.
2. Feather the finishing compound to not less than 12 inches (305 mm) wide.
3. When thoroughly dry, sandpaper to obtain a uniform smooth surface, taking care to not scuff the paper surface of the board.
15 LEVEL OF FINISH
A. Level of finish shall be as per Gypsum Association publication, GA-214-M as noted herein.
1. Finish types are noted on Drawings or Finish Schedule.
2. Sand between each coat of compound as required to remove ridges and other imperfections.
B. Level of finish Type 0:
1. No taping, finishing or accessories required.
C. Level of finish Type 1:
1. Tape set in joint compound at joints and interior angles.
2. Tool marks and ridges are acceptable.
D. Level of finish Type 2--
1. Tape embedded in joint compound at joints and interior angles, wiped with joint knife leaving thin coat of compound over tape.
2. Accessories covered with one coat of joint compound.
3. Fasteners covered with one coat of joint compound.
4. Surface shall be free of excess joint compound.
5. Tool marks and ridges are acceptable.
E. Level of finish Type 3:
I Tape embedded in joint compound at joints and interior angles, wiped with joint knife leaving thin coat of compound over tape.
2. Cover tape with one separate coat of joint compound.
3. Accessories covered with two separate coats of joint compound.
4. Fasteners covered with two separate coats of joint compound,
5. Joint compound shall be smooth and free of tool marks and ridges. Sand to achieve a smooth paint-ready surface.
F. Level of finish Type 4:
1. Tape embedded in joint compound at joints and interior angles, wiped with joint knife leaving thin coat of compound over tape.
2. Cover tape with two separate coats of joint Compound.
3. Accessories covered with three separate coats of joint compound.
4. Fasteners covered with three separate coats of joint compound.
5. Joint compound shall be smooth and free of tool marks and ridges. Sand to achieve a smooth paint -ready surface.
G. Level of finish Type 5:
1. Tape embedded in joint compound at joints and interior angles, wiped with joint knife leaving thin coat of compound over tape.
2. Cover tape with two separate coats of joint compound.
1 Accessories covered with three separate coats of joint compound.
4. Fasteners covered with three separate coats of joint compound.
U. A Srurn coat of joint compound shall be applied to entire surface.
6. The surface shall be smooth and free of ridges and defects. Sand the surface to a smooth, paint-ready condition.
3.6 TOLERANCES
A. Maximum Variation of Finished Gypsum Board Surface from True Flatness: 1/8 inch (1.5 mm) in 10 feet (3048 mm) in any direction.
17 PROTECTION
A. Provide final protection and maintain conditions that ensure gypsum board construction being without damage or deterioration at time of Substantial Completion.
3.8 CLEANING
A. In addition to other requirements for cleaning, use necessary care to prevent scattering gypsum board scraps and dust, and to prevent tracking gypsum and joint finishing
compound onto floor surfaces.
B. At completion of each segment of installation in a room or space, promptly pick up and remove scraps, debris, and surplus materials of this Section from working area.
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suite 403
coral gables, florido 33134
telephone 305
.567. 1977
facsimile 305. 567. 1125
REVISIONS:
SCALE:
AS NOTED
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LIJ M
M
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L.
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REVISIONS:
SCALE:
AS NOTED
DRAWN BY:
AP_
DATE:
08- 1 7091 i
PROJECT NO.:
SHEET NUMBER
OR
-nON NO.: 6226
FLA. REGISTRA