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ASTM C1848-17

(Practice)

Standard Practice for Installation of High-Pressure Spray Polyurethane Foam Insulation for the Building Enclosure

Standard Practice for Installation of High-Pressure Spray Polyurethane Foam Insulation for the Building Enclosure

SIGNIFICANCE AND USE
5.1 This practice outlines general procedures that are recommended for correct installation of spray polyurethane foam (SPF) as an insulation in the building enclosure including; walls, ceilings, attics, floors, crawl spaces, attics and foundations.
Note 1: SPF roofing installations are not covered by this document. Users may wish to consult Guide D5469 and Specification D7425.  
5.2 This practice is not all-inclusive; this practice is intended only to supplement detailed instructions from manufacturers, SPF industry best practices and safety requirements as may be established by law.
SCOPE
1.1 This practice covers the installation of high-pressure spray polyurethane foam (SPF) as an insulation for building enclosure assemblies including: walls, ceilings, attics, floors, and crawl spaces. This practice does not apply to SPF used strictly as a component for an air barrier system or for SPF used in roofing applications.  
1.2 Building design criteria and selection of SPF are beyond the scope of this practice.  
1.3 The use of SPF insulation covered by this practice is typically regulated by building codes or other agencies that address fire performance. Where required the fire performance of the material shall be addressed through standard fire test methods established by the appropriate governing documents.  
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Jan-2017
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.40 - Insulation Systems
Current Stage
Ref Project

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ASTM C1848-17 - Standard Practice for Installation of High-Pressure Spray Polyurethane Foam Insulation for the Building EnclosureASTM C1848-17 - Standard Practice for Installation of High-Pressure Spray Polyurethane Foam Insulation for the Building Enclosure
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ASTM C1848-17 - Standard Practice for Installation of High-Pressure Spray Polyurethane Foam Insulation for the Building Enclosure
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C1848 − 17
Standard Practice for
Installation of High-Pressure Spray Polyurethane Foam
1
Insulation for the Building Enclosure
This standard is issued under the fixed designation C1848; 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 D5469 Guide for Application of New Spray Applied Poly-
urethane Foam and Coated Roofing Systems
1.1 This practice covers the installation of high-pressure
D6226 Test Method for Open Cell Content of Rigid Cellular
spray polyurethane foam (SPF) as an insulation for building
Plastics
enclosure assemblies including: walls, ceilings, attics, floors,
D7425 Specification for Spray Polyurethane Foam Used for
and crawl spaces. This practice does not apply to SPF used
Roofing Applications
strictly as a component for an air barrier system or for SPF
3
2.2 European Standard:
used in roofing applications.
EN 14315-2:2013 Thermal insulating products for buildings
1.2 Building design criteria and selection of SPF are beyond
- In-situ formed sprayed rigid polyurethane (PUR) and
the scope of this practice.
polyisocyanurate (PIR) foam products - Part 2: Specifica-
1.3 The use of SPF insulation covered by this practice is
tion for the installed insulation products
typically regulated by building codes or other agencies that
4
2.3 Society for Protective Coatings (SSPC):
address fire performance. Where required the fire performance
SSPC SP 1 Society for Protective Coatings: Solvent Clean-
of the material shall be addressed through standard fire test
ing
methods established by the appropriate governing documents.
SSPC SP 6 Society for Protective Coatings: Commercial
1.4 The values stated in SI units are to be regarded as the
Blast Cleaning
standard. The values given in parentheses are for information
5
2.4 Spray Polyurethane Foam Alliance (SPFA):
only.
SPFA-119 Glossary of Terms
1.5 This standard does not purport to address all of the
SPFA-137 Spray Polyurethane Equipment Guidelines
safety concerns, if any, associated with its use. It is the
SPFA-143 Primers: Why, When and How to Use Them
responsibility of the user of this standard to establish appro-
SPFA-148 Spray Polyurethane Foam Insulation Installation
priate safety and health practices and determine the applica-
Certificate
bility of regulatory limitations prior to use.
3. Terminology
2. Referenced Documents
3.1 Definitions are in accordance with Terminology C168.
2
2.1 ASTM Standards:
3.2 Definitions:
C168 Terminology Relating to Thermal Insulation
3.2.1 Specific Definitions per SPFA-119:
D4263 Test Method for Indicating Moisture in Concrete by
3.2.2 lift, n—the sprayed polyurethane foam resulting from
the Plastic Sheet Method
passesoffoaminaspecificarea,asdefinedbyitsthicknessand
D4449 Test Method for Visual Evaluation of Gloss Differ-
the area.
ences Between Surfaces of Similar Appearance
D4541 Test Method for Pull-Off Strength of Coatings Using 3.2.3 pass, n—the amount of coating or polyurethane foam
applied by moving the gun from side to side and moving away
Portable Adhesion Testers
from fresh material, delineated by its width, length, and
thickness.
1
This practice is under the jurisdiction of ASTM Committee C16 on Thermal
Insulation and is the direct responsibility of Subcommittee C16.40 on Insulation
Systems.
3
Current edition approved Feb. 1, 2017. Published March 2017. DOI: 10.1520/ Available from European Committee for Standardization (CEN), Avenue
C1848-17. Marnix 17, B-1000, Brussels, Belgium, http://www.cen.eu.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Society for Protective Coatings (SSPC), 800 Trumbull Dr.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Pittsburgh, PA 15205, http://www.sspc.org.
5
Standards volume information, refer to the standard’s Document Summary page on Available from Spray Polyurethane FoamAlliance (SPFA), 3927 Old Lee Hwy.
the ASTM website. #101B, Fairfax, VA 22030, http://www.sprayfoam.org/.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1848 − 17
4. Classifications paper (cobalt-chloride strips) to check for condensation when
metal substrate temperatures are close to the atmospheric dew
4.1 Low-Pressure Spray Polyurethane Foam—Spray poly-
point temperature.
urethane foam where the plural components (A- and B- side)
6.2.4 Thick metal substrates, such as structural steel and
are delivered a pressure of less than 1.72 MPa (250 psi), at a
walls of pressure vessels can act as a heat sink.
...

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4.1 Inorganic fibrous thermal insulation can contain varying amounts of non-fibrous material. Non-fibrous material does not contribute to the insulating value of the insulation and therefore a procedure for determining that amount is desirable. Several specifications refer to shot content and percent (%) retained on various screen sizes determined by this test method.
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SIGNIFICANCE AND USE
5.1 An inherent characteristic of some alloys of austenitic stainless steel is their tendency to crack at stress points when exposed to certain corrosive environments. The mechanisms of ESCC are complex and not completely understood but are apparently related to certain metallurgical properties. Chloride and fluoride ions have the potential to induce stress corrosion cracking in the absence of inhibiting ions.3  
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1.1 This specification covers the classification and performance of flexible aerogel thermal insulation. This will cover the range of continuous exposure operating temperatures from –321°F (–196°C) up to 1200°F (649°C).  
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This specification covers structural insulating board for general thermal insulating, fire-resistive, and marine bulkhead applications. The structural insulating boards shall be of the following types and grades: Types I and II and Grades 1; 2; 3; 4; 5; 6; 7; and 8. Calcium silicate structural insulating board shall be composed of hydrated calcium silicate with natural or man-made fibers or fillers, or a combination thereof. The following test methods shall be performed: dimensions and density; flexural strength; compressive strength; screw holding strength; apparent thermal conductivity; combustion characteristics; and maximum use temperatures.
SCOPE
1.1 This specification covers structural insulating board for general thermal insulating, fire-resistive, and marine bulkhead applications. The rigid, preformed structural insulating board is for use at temperatures up to 1700°F (927°C). For specific applications, the actual temperature limit shall be agreed upon between the manufacturer and the purchaser.  
1.2 The structural insulating board maintains its structural integrity after immersion in water.  
1.3 Rapid cycling over a wide temperature range is not recommended because of potential damage due to thermal shock.  
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 When the installation or use of thermal insulation materials, accessories and systems, may pose safety or health problems, the manufacturer shall provide the user appropriate current information regarding any known problems associated with the recommended use of the company's products, and shall also recommend protective measures to be employed in their safe utilization. The user shall establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.  
1.6 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.  
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Standard Test Method for Measuring Compressive Properties of Thermal Insulations

SIGNIFICANCE AND USE
4.1 In providing Procedures A and B, it is recognized that different types of thermal insulation will exhibit significantly different behavior under compressive load. Data must usually be obtained from a complete load-deformation curve, and the useful working range normally corresponds to only a portion of the curve. The user is cautioned against use of the product in the range beyond which the product is permanently damaged or properties are adversely affected.  
4.2 Load-deformation curves provide useful data for research and development, quality control, specification acceptance or rejection, and for other special purposes. Standard loading rates shall not be used arbitrarily for all purposes; the effects of impact, creep, fatigue, and repeated cycling must be considered. All load-deformation data shall be reviewed carefully for applicability prior to acceptance for use in engineering designs differing widely in load, load application rate, and material dimensions involved.
SCOPE
1.1 This test method covers two procedures for determining the compressive resistance of thermal insulations.  
1.1.1 Procedure A covers thermal insulations having an approximate straight-line portion of a load-deformation curve, with or without an identifiable yield point as shown in Figs. 1 and 2. Such behavior is typical of most rigid board or block-type insulations.
FIG. 1 Procedure A—Straight Line Portion with Definite Yield Point
FIG. 2 Procedure A—Straight Line Portion but no Definite Yield Point  
1.1.2 Procedure B covers thermal insulations that become increasingly more stiff as load is increased, as shown in Fig. 3. Such behavior is typical of fibrous batt and blanket insulations that have been compressed previously to at least the same deformation by compression packaging or mechanical softening.
FIG. 3 Procedure B—Increasing Stiffness  
1.2 It is recognized that the classification of materials under Procedures A and B shall not hold in all cases. For example, some batt or blanket materials that have not been compression packaged will exhibit behavior more typical of Procedure A for their first loadings. Also, some higher density fibrous insulation boards that have been precompressed will exhibit load-deformation curves more typical of Procedure B. There will also be thermal insulations with load-deformation curves that follow none of the three types shown here; that is, curves with no straight-line portion, curves with compaction areas, and curves that change from negative to positive slope.  
1.3 This test method does not cover reflective or loose fill insulations.  
1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
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.

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