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ASTM C1764-12

Standard Test Methods for Non Metallic Plaster Bases (Lath) Used with Portland Cement Based Plaster in Vertical Wall Applications

Automaticky přeložený název:

Standardní zkušební metody pro nekovové Sádra báze (laťkový), používané s Portland Cement Based omítky v kolmé stěny Aplikace

NORMA vydána dne 1.10.2012

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Provedení	PDF - okamžité stažení - 1 776.60 Kč Tištěné - 1 776.60 Kč
Dostupnost	SKLADEM
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Informace o normě:

Označení normy: ASTM C1764-12
Poznámka: NEPLATNÁ
Datum vydání normy: 1.10.2012
Kód zboží: NS-12379
Počet stran: 4
Přibližná hmotnost: 12 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Cement. Sádra. Vápno. Malta

Anotace textu normy ASTM C1764-12 :

Keywords:

lath, non metallic plaster base, portland cement based plaster, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

Doplňující informace

Significance and Use

4.1 General:

4.1.1 Non metallic reinforced Portland Cement Based Plaster are vertically applied exterior wall claddings that may be subject to variety of conditions over the claddings service life. The series of tests described in this standard evaluates performance under a variety of test conditions and exposures. Any given project may not be subject to all of the test conditions described herein and all of the test methods may not evaluate all exposures for a given project.

4.2 Transverse Load:

4.2.1 This test determines the ultimate wind load resistance of the wall assembly including influence of the framing, sheathing, and means of attachment.

4.3 Vertical Load:

4.3.1 The weight and attachment mechanism of Portland Cement Based Plaster results in a vertical load transfer to the plaster base. This test method determines the ultimate vertical load capacity of the cladding assembly based on taking the specimen to failure.

4.4 Embedment:

4.4.1 Plaster bases serve as a key, reinforcement and attachment mechanism for Portland Cement Based Plaster. The thickness, profile, and material properties of the plaster bases must be such that it is adequately embedded in the Portland Cement Based Plaster. This can be accomplished through use of a self furred non metallic plaster base or other means such as furring strips. This test procedure determines the effectiveness of the furring mechanism to ensure that the minimum embedment is obtained.

4.5 Fastener Pull Through Resistance:

4.5.1 The non metallic lath is secured to the building frame or substrate with fasteners. This test evaluates the fastener attachment effectiveness.

4.6 Alkali Resistance (Glass Fiber Lath Only):

4.6.1 Per E2098.

1. Scope

1.1 These test methods evaluate the performance of vertical wall applications of non metallic plaster bases used with Portland Cement Based Plaster under a variety of test exposures.

1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

E631-15	Standard Terminology of Building Constructions
E330-02	Standard Test Method for Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference
E2098-00	Standard Test Method for Determining Tensile Breaking Strength of Glass Fiber Reinforcing Mesh for Use in Class PB Exterior Insulation and Finish Systems (EIFS), after Exposure to a Sodium Hydroxide Solution
C926-23a	Standard Specification for Application of Portland Cement-Based Plaster (Includes all amendments and changes 11/17/2023).
AC 191	Acceptance Criteria for Metal Plaster Bases (Lath)