ASTM C991-23

Standard Specification for Flexible Fibrous Glass Insulation for Metal Buildings

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STANDARD published on 1.5.2023

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The information about the standard:

Designation standards: ASTM C991-23
Publication date standards: 1.5.2023
SKU: NS-1143345
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

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The category - similar standards:

Thermal and sound insulating materials

Annotation of standard text ASTM C991-23 :

This specification covers the classification, composition, and physical properties of flexible fibrous glass insulation for use as interior surface of walls and roofs of metal buildings. The basic insulation blanket is designed to be postprocessed by a laminating process that applies an adhesive bonded facing to provide the interior finish and vapor retarder requirements for the building envelope The flexible insulation is furnished into Types I and II. Type I which is a glass processed from the molten state into fibrous form, bonded with a thermosetting resin, and formed into a resilient flexible blanket or batt. Type II is a Type I material supplied with a suitable facing adhered to one surface. The following physical properties of Types I and II materials shall be determined: thermal resistance, surface burning characteristics, combustion characteristics, water vapor sorption, fungi resistance, corrosiveness, odor emission, dimensional tolerances, and humid aging.

Keywords:
faced insulation, metal building, thermal insulation,, ICS Number Code 91.100.60 (Thermal and sound insulating materials)

Additional information

1. Scope

1.1?This specification covers the classification, composition, and physical properties of flexible fibrous glass insulation for use in metal building roofs and walls.

1.2?The basic insulation blanket is designed to be post-processed by a laminating process that applies an adhesive bonded facing.

1.3?The thermal values measured in accordance with this specification for both pre-processed and post-processed insulation are for the insulation only and do not include the effects of air-film surface resistance, changes in mean temperature, or compression of insulation at the framing members of the building, through metal conductance of fasteners and other parallel heat-transfer paths due to design or installation techniques.

1.4?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.

1.5?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.6?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

C167-22	Standard Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations
CAN/ULC-S102
C177-19e1	Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus (Includes all amendments and changes 2/23/2023).
C390-08(2019)	Standard Practice for Sampling and Acceptance of Thermal Insulation Lots
C518-21	Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
C1617-19	Standard Practice for Quantitative Accelerated Laboratory Evaluation of Extraction Solutions Containing Ions Leached from Thermal Insulation on Aqueous Corrosion of Metals
E84-23d	Standard Test Method for Surface Burning Characteristics of Building Materials (Includes all amendments and changes 1/29/2024).
C665-23	Standard Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing
C755-20	Standard Practice for Selection of Water Vapor Retarders for Thermal Insulation
C1104/C1104M-19	Standard Test Method for Determining the Water Vapor Sorption of Unfaced Mineral Fiber Insulation
C1136-23	Standard Specification for Flexible, Low Permeance Vapor Retarders for Thermal Insulation
C653-17	Standard Guide for Determination of the Thermal Resistance of Low-Density Blanket-Type Mineral Fiber Insulation
E136-24	Standard Test Method for Assessing Combustibility of Materials Using a Vertical Tube Furnace at 750 ?C
C1304-23	Standard Test Method for Assessing the Odor Emission of Thermal Insulation Materials
C1338-19(2022)	Standard Test Method for Determining Fungi Resistance of Insulation Materials and Facings
E2988-17(2022)	Standard Practice for Specimen Preparation and Mounting of Flexible Fibrous Glass Insulation for Metal Buildings to Assess Surface Burning Characteristics
C168-22	Standard Terminology Relating to Thermal Insulation

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