VA 09 26 00-2011 VENEER PLASTERING.pdf
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1、10-11 09 26 00 - 1 SECTION 09 26 00 VENEER PLASTERING PART 1 GENERAL 1.1 DESCRIPTION This section specifies veneer plaster and veneer plaster base. 1.2 RELATED WORK A. Metal framing: Section 09 22 16, NON-STRUCTURAL METAL FRAMING. B. Gypsum backing board on multi-layer systems: Section 09 29 00, GYP
2、SUM BOARD. C. Application of sealants: Section 07 92 00, JOINT SEALANTS. D. Lead lined veneer base: Section 13 49 00, RADIATION PROTECTION 1.3 TERMINOLOGY A. Definitions and description of terms in accordance with ASTM C11, C843, C844, and as specified. B. Underside of Structure Overhead: Where stee
3、l trusses or bar joists are shown, the underside of structure overhead is the underside of the floor or roof construction supported by the trusses or bar joists. C. “Yoked“ Gypsum Board cut out for opening with no joint at the opening corners. 1.4 SUBMITTALS A. Submit in accordance with Section 01 3
4、3 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Manufacturers Literature and Data: 1. Gypsum veneer plaster. 2. Gypsum Base for Veneer Plaster. 3. Accessories. 4. Joint reinforcing materials. 5. Laminating adhesive. C. Shop Drawings: Typical veneer plaster installation, showing corner details, ca
5、sing details, control joint details, and other similar details. 1.5 APPLICABLE PUBLICATIONS A. Publications listed below form a part of this specification to the extent referenced. Publications are referenced in the text by the basic designation only. B. American Society for Testing and Materials (A
6、STM): C11-10 . Terminology Relating to Gypsum and Related Building Materials and Systems C472-99(R2009) . Physical Testing of Gypsum, Gypsum Plasters and Gypsum Concrete Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 09 26 00 - 2 C475-02(R2007
7、) . Joint Compound and Joint Tape for Finish Gypsum Board Construction C587-04(R2009) . Gypsum Veneer Plaster C1396-04 . Specification Gypsum Board C631-09 Bonding Compounds for Interior Plastering C843-99(R2006) . Application of Gypsum Veneer Plaster C844-04(R2010) . Application of Gypsum Base to R
8、eceive Gypsum Veneer Plaster C954-10 Steel Drill Screws for the Application of Gypsum Panel Products Board or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84mm) to 0.112 in. (2.84mm) in thickness C1002-07 . Steel Drill Screws for the Applications of Gypsum Panel Products Board or Metal Plast
9、er Bases C1047-10 . Accessories for Gypsum Wallboard and Gypsum Veneer Base D3678-97(R2008) Rigid Poly (Vinyl Chloride) (PVC) Interior-Profile Extrusions SPEC WRITER NOTE: Make material requirements agree with applicable requirements specified in the referenced Applicable Publications. Update and sp
10、ecify only that which applies to the project. PART 2 - PRODUCTS 2.1 VENEER BASE ASTM C1396, plain, Type “X“, 16 mm (5/8-inch) thick. SPEC WRITER NOTE: Use 17.2 MPa (2500 psi) plaster for finish coat on projects where the veneer plaster finished walls/partitions are not protected with handrails and g
11、uardrails. 2.2 GYPSUM VENEER PLASTER ASTM C587. / Minimum compressive strength of finish coat plaster shall be 17.2 MPa (2500 psi) in accordance with ASTM C472./ 2.3 ACCESSORIES A. Corner Bead, Edge Trim and Control Joints: ASTM C1047 or D3678, except as specified. B. Corner bead and edge trim (casi
12、ngs): Minimum 0.38 mm (0.015-inch) thick zinc-coated steel sheet or rigid PVC plaster. C. Flanges not less than 22 mm (7/8-inch) wide with punch-outs or deformations as required to provide plaster bond. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
13、-10-11 09 26 00 - 3 2.4 JOINT REINFORCING TAPE ASTM C475, Paper tape. 2.5 LAMINATING ADHESIVE ASTM C475 joint compound chemical setting type or as recommended by veneer base manufacturer. VOC not to exceed 20g/l; free of antifreeze and pesticides. 2.6 FASTENERS A. Screws: ASTM C1002 or C954. B. Stap
14、les: Flattened zinc-coated steel wire, minimum 15 mm (9/16-inch) leg for securing corner beads or casing and minimum 9 mm (3/8-inch) leg for securing joint reinforcement. 2.7 BONDING COMPOUND ASTM C631. PART 3 EXECUTION SPEC WRITER NOTE: 1. Read ASTM C840, C843, and C844; coordinate with project spe
15、cification and drawing requirements. 2. Extend finish to underside of structure overhead for fire partitions, smoke partitions, shafts, and sound rated partitions. Seal penetrations and edges for fire, smoke or acoustical requirements. 3. At new suspended ceilings, extend finish not less than 100 mm
16、 (4 inches) above suspended ceiling. 4. At existing ceilings, finish may terminate at ceiling except for conditions stated in NOTE 2. 5. Insure partitions are fully detailed for all requirements and types. Detail construction to conform to UL rated assemblies. Show location of control joints. 3.1 IN
17、STALLATION CRITERIA A. Where fire rated construction is required for walls, partitions, columns, beams and floor-ceiling assemblies, construct the same as that used in fire rating test. B. Requirements for fire rated and sound rated assemblies and materials: Construct as shown and specified; the pro
18、visions of the Scope Paragraphs 1.2 and 1.3 of ASTM C843 and 1.2, 1.3, and 1.4 of ASTM C844 regarding details of construction shall not apply. C. Requirements for ventilating unheated spaces above veneer plaster ceilings: Construct as shown and specified; the provisions of the Scope Paragraph 1.5 of
19、 ASTM C844 regarding ventilation shall not apply. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 09 26 00 - 4 3.2 APPLICATION OF VENEER BASE A. Gypsum Board Heights: 1. Extend gypsum board from floor to underside of structure overhead on parti
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