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ASTM C1483/C1483M-17(2022)

(Specification)

Standard Specification for Exterior Solar Radiation Control Coatings on Buildings

Standard Specification for Exterior Solar Radiation Control Coatings on Buildings

ABSTRACT
This specification provides the general physical and mechanical requirements for liquid-applied exterior solar radiation control coatings designed for exterior application on buildings or other structures for the purpose of reducing thermal loads on buildings by reflecting solar radiation from roofs and walls. The specification also includes the testing procedures by which the acceptability of the material may be determined. The physical and mechanical properties to which the coatings shall be tested and accordingly adhere to are total solid weight, solid volume, solar reflectance, infrared emittance, elongation, adhesion, water vapor permeance, flame retardancy, fungi resistance, water absorption, cured sample thickness, and outdoor durability.
SCOPE
1.1 The purpose of this specification is to provide general requirements for products used to reduce solar gains on buildings by reflecting solar radiation from roofs and walls. Radiation Control Coating (RCC) is a liquid applied material that cures to form a solid coating having a solar reflectance of at least 0.8 and an ambient temperature infrared emittance of at least 0.8.  
1.2 This specification covers the physical and mechanical properties of liquid-applied RCCs designed for exterior application for buildings.  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems has the potential to result in non-conformance with the standard.  
1.4 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.  
1.5 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.

General Information

Status
Published
Publication Date
30-Sep-2022
ICS
91.120.99 - Other standards related to protection of and in buildings
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.21 - Reflective Insulation
Current Stage
Ref Project

Relations

Refers
ASTM C419-20 - Standard Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
Effective Date
01-Mar-2020

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ASTM C1483/C1483M-17(2022) - Standard Specification for Exterior Solar Radiation Control Coatings on BuildingsASTM C1483/C1483M-17(2022) - Standard Specification for Exterior Solar Radiation Control Coatings on Buildings
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ASTM C1483/C1483M-17(2022) - Standard Specification for Exterior Solar Radiation Control Coatings on Buildings
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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.
Designation: C1483/C1483M −17 (Reapproved 2022)
Standard Specification for
1
Exterior Solar Radiation Control Coatings on Buildings
This standard is issued under the fixed designation C1483/C1483M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Mastic Thermal Insulation Coatings
C461 Test Methods for Mastics and Coatings Used With
1.1 The purpose of this specification is to provide general
Thermal Insulation
requirements for products used to reduce solar gains on
C1371 Test Method for Determination of Emittance of
buildings by reflecting solar radiation from roofs and walls.
Materials Near Room Temperature Using Portable Emis-
Radiation Control Coating (RCC) is a liquid applied material
someters
that cures to form a solid coating having a solar reflectance of
D471 Test Method for Rubber Property—Effect of Liquids
at least 0.8 and an ambient temperature infrared emittance of at
D903 Test Method for Peel or Stripping Strength of Adhe-
least 0.8.
sive Bonds
1.2 This specification covers the physical and mechanical
D2370 Test Method for Tensile Properties of Organic Coat-
properties of liquid-applied RCCs designed for exterior appli-
ings
cation for buildings.
D2697 Test Method for Volume Nonvolatile Matter in Clear
1.3 The values stated in either SI units or inch-pound units or Pigmented Coatings
D3274 Test Method for Evaluating Degree of Surface Dis-
are to be regarded separately as standard. The values stated in
each system are not necessarily exact equivalents; therefore, figurement of Paint Films by Fungal or Algal Growth, or
Soil and Dirt Accumulation
each system shall be used independently of the other. Combin-
ing values from the two systems has the potential to result in E84 Test Method for Surface Burning Characteristics of
Building Materials
non-conformance with the standard.
E96/E96M Test Methods for Gravimetric Determination of
1.4 This standard does not purport to address all of the
Water Vapor Transmission Rate of Materials
safety concerns, if any, associated with its use. It is the
E349 Terminology Relating to Space Simulation
responsibility of the user of this standard to establish appro-
E903 Test Method for Solar Absorptance, Reflectance, and
priate safety, health, and environmental practices and deter-
Transmittance of Materials Using Integrating Spheres
mine the applicability of regulatory limitations prior to use.
E1175 Test Method for Determining Solar or Photopic
1.5 This international standard was developed in accor-
Reflectance, Transmittance, andAbsorptance of Materials
dance with internationally recognized principles on standard-
Using a Large Diameter Integrating Sphere
ization established in the Decision on Principles for the
G155 Practice for Operating XenonArc LampApparatus for
Development of International Standards, Guides and Recom-
Exposure of Materials
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
3. Terminology
2. Referenced Documents
3.1 Definitions—Terminology C168 and E349 shall apply to
2
this specification.
2.1 ASTM Standards:
C168 Terminology Relating to Thermal Insulation
3.2 Definitions of Terms Specific to This Standard:
C419 Practice for Making and Curing Test Specimens of
3.2.1 radiation control coating (RCC), n—a radiation con-
trol coating is a material that is designed to have a high solar
reflectance (above 0.8) and a high infrared emittance (above
1
This specification is under the jurisdiction of ASTM Committee C16 on
0.8) for long wavelength radiation.
Thermal Insulation and is the direct responsibility of Subcommittee C16.21 on
Reflective Insulation.
3.2.2 solar reflectance, n—solarreflectanceisthefractionof
Current edition approved Oct. 1, 2022 Published October 2022. Originally
incident solar radiation that is reflected.
approved in 2004. Last previous edition approved in 2017 as C1483/C1483M – 17.
DOI: 10.1520/C1483_C1483M-17R22.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 4. Significance and Use
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.1 It is recognized that the solar reflectance of RCCs will
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. be reduced by soiling, which is caused by the accumulation of
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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4.1 Exterior wall systems require time to design, fabricate, construct and test. Mockups are generally a full-size representative portion of the proposed exterior wall system built to study proposed construction details, test for performance, and in some cases judge appearance of the exterior wall system. The project schedule shall allow time to design, construct, and test the pre-construction mockup and to implement any design changes, fabrication changes, or modifications of planned construction procedures, before construction of the exterior wall system commences.  
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Standard Practices for Air Leakage Site Detection in Building Envelopes and Air Barrier Systems

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5.1 Air infiltration into the conditioned space of a building accounts for a significant portion of the thermal space condition load. Air infiltration can affect occupant comfort by producing drafts, cause indoor air quality problems by carrying outdoor pollutants into occupied building space and, in hot humid climates, can deposit moisture in the building envelope resulting in deterioration of building envelope components. In cold climates, exfiltration of conditioned air out of a building can deposit moisture in the building envelope causing deterioration of building envelope components. Differential pressure across the building envelope and the presence of air leakage sites cause air infiltration and exfiltration (1).4  
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5.1 The purpose of the methods, systems, and designs described in this practice is to reduce radiation exposures for occupants of residential buildings caused by radon and its progeny. The goal of mitigation is to maintain reduced radon concentrations in occupiable areas of buildings at levels as low as reasonably achievable. This practice includes sections on reducing radiation exposure caused by radon and its progeny for workers who install and repair radon mitigation systems. The goal for workers is to reduce exposures to radon and its progeny to levels as low as reasonably achievable.  
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4.1 Using the procedures and apparatus in Sections 8 and 9 and the manufacturer's instructions, pressure-tight joints as strong as the pipe itself can be made between manufacturer-recommended combinations of pipe and fittings. See Specification F1055 for performance requirements of polyethylene electrofusion fittings.
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