ASTM-C755 2010

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C755-10 Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation

Published By	Publication Date	Number of Pages
ASTM	2010	12

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Categories: 91.120.10 - Thermal insulation of buildings, ASTM

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Description

ASTM C755-10

Historical Standard: Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation

ASTM C755

Scope

1.1 This practice outlines factors to be considered, describes design principles and procedures for water vapor retarder selection, and defines water vapor transmission values appropriate for established criteria. It is intended for the guidance of design engineers in preparing vapor retarder application specifications for control of water vapor flow through thermal insulation. It covers commercial and residential building construction and industrial applications in the service temperature range from −40 to +150°F (−40 to +66°C). Emphasis is placed on the control of moisture penetration by choice of the most suitable components of the system.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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.

Keywords

design; materials; selection; thermal insulation; vapor retarders; water vapor retarders; Thermal insulating materials (water vapor transmission); Vapor barriers; Water vapor retarders; Water vapor transmission (WVT)–thermal insulation

ICS Code

ICS Number Code 91.120.10 (Thermal insulation of buildings)

DOI: 10.1520/C0755-10

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Significance and Use
2	Factors to Be Considered in Choosing Water Vapor Retarders FIG. 1
3	FIG. 2 TABLE 1
4	Fundamental Design Principles of Vapor Control
5	Vapor Retarder Materials
6	Problem Analysis and Vapor Retarder Selection TABLE 2
7	Keywords
8	X1. PROBLEM ANALYSIS X1.1 Building Construction TABLE X1.1 FIG. X1.1
9	FIG. X1.2
10	X1.3 Vapor Transfer Through a Cold-Room Wall FIG. X1.3 FIG. X1.4
11	X1.4 Nonlinear Gradients X1.5 Dual Insulation in a Cold Room Wall REFERENCES

Additional information

Standard Title	C755-10 Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
Published Code	ASTM
Publication Date	2010
Pages Count	12
ICS Codes	91.120.10 - Thermal insulation of buildings