ASTM C1710-09

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:C1710–09
Standard Guide for
Installation of Flexible Closed Cell Preformed Insulation in
Tube and Sheet Form
This standard is issued under the fixed designation C1710; 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 C585 Practice for Inner and Outer Diameters of Thermal
Insulation for Nominal Sizes of Pipe and Tubing
1.1 This guide covers recommended installation techniques
C1427 Specification for Extruded Preformed Flexible Cel-
for flexible closed cell pre-formed insulation in tube or sheet
lular Polyolefin Thermal Insulation in Sheet and Tubular
form. This guide is applicable to materials manufactured in
Form
accordance with Specification C534 (Elastomeric based insu-
2.2 Other Standards:
lation) or Specification C1427 (polyolefin based insulation).
National Commerical, Industrial Insulation Standards
The materials covered in this guide encompass a service
(MICA Manual)
temperature of -297°F to 300°F ( -183°C to 150 °C) as
ASHRAE Handbook (Fundamentals – Chapter 26)
indicatedinthematerialspecificationsreferencedabove.Many
ASHRAE Handbook (Refrigeration – Chapter 33)
of the recommendations made are specific to below ambient
applications only.
3. Terminology
1.2 The purpose of this guide is to optimize the thermal
3.1 Definitions:
performance and longevity of installed closed cell flexible
C168 shall be considered as applying to the terms in this
insulation systems. By following this guide, the owner, and
specification.
designercanexpecttoachievetheenergysavingsexpectedand
3.2 Definitions of Terms Specific to This Standard:
prevention of condensation under the specified design condi-
3.2.1 seams—Longitudinal or horizontal cross-sections
tions. This document is limited to installation procedures and
where insulation meets and must be adhered to itself or other
does not encompass system design.
system components.
1.3 The values stated in inch-pound units are to be regarded
3.2.2 butt joints—Cross-sections where two pieces of tubu-
as standard. The values given in parentheses are mathematical
lar or sheet insulation must be adhered to itself or other system
conversions to SI units that are provided for information only
components.
and are not considered standard.
3.2.3 vapor (water) stops—Locations / methods to prevent
1.4 This standard does not purport to address all of the
waterorwatervaporfromtravelingintoordownatubularpipe
safety concerns, if any, associated with its use. It is the
section.
responsibility of the user of this standard to establish appro-
3.2.4 sleeving/multi layering—Applying another layer of
priate safety and health practices and determine the applica-
insulation over the first layer. This process is used when the
bility of regulatory limitations prior to use.
insulation thickness required is greater than that which is
2. Referenced Documents commercially available. This technique is also employed when
2 proper installation practice requires multiple layers and or
2.1 ASTM Standards:
staggered joint application, even if a single layer thickness is
C168 Terminology Relating to Thermal Insulation
available.
C534 SpecificationforPreformedFlexibleElastomericCel-
lular Thermal Insulation in Sheet and Tubular Form
4. Summary of Guide
4.1 Properinsulationthicknessshallbeinstalledasspecified
This practice is under the jurisdiction of ASTM Committee C16 on Thermal
and not compromised. The integrity of the insulation system
Insulation and is the direct responsibility of Subcommittee C16.40 on Insulation
Systems.
CurrenteditionapprovedNov.1,2009.PublishedDecember2009.DOI:10.1520/
C1710–09. Available from MICA (Midwest Insulation Contractors Association) 16712
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Elm Circle, Omaha, NE 68130. http://www.micainsulation.org.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from American Society of Heating, Refrigerating, and Air-
Standards volume information, refer to the standard’s Document Summary page on Conditioning Engineers, Inc. (ASHRAE), 1791 Tullie Circle, NE, Atlanta, GA
the ASTM website. 30329, http://www.ashrae.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C1710–09
shall be maintained throughout the application. Never pull or 7. Dimensional Tolerances
stretch insulation, always push or over-size insulation.
7.1 Dimensions for the ID, wall and length shall conform to
4.2 All seams, butt joints, cutouts and termination points
tolerances published by the manufacturer and or applicable
shall be sealed with a manufacturer’s approved adhesive to
ASTM standards, for example Specifications C534, C1427 and
preventair/moistureintrusion.Forbelowambientapplications,
Practice C585.
install vapor stops at all insulation terminations or interrup-
8. General Installation Recommendations
tions, such as at supports, valves and flanges by adhering the
insulation directly to the pipe using a 2 in. (50 mm) strip of
8.1 All seams, butt joints, cut outs and termination points
contact adhesive or sealant to maintain closure. Insulation tape
should be sealed with a manufacturer’s approved system.
canalsobeusedforthispurpose.Onstraightruns,installvapor
External taping of seams is not recommended as an exclusive
stopsevery18ft(5.4m)tominimizemoistureproblemsifthey
method of sealing joints or seams for below ambient systems.
occur.
Approvedadhesivescanbe:contactadhesives,sprayadhesives
4.3 Specific product Manufacturer’s recommended instal-
or pressure sensitive adhesives. Water based adhesives are not
lation practices shall be used in all cases.
recommended because of their slow drying time which causes
4.4 Product should be applied to clean, dry surfaces. If the
them to pull apart. Adhesives should be applied according to
system is operating, additional steps may be needed to insure a
manufacturer’s recommendations. A thinner layer of adhesive
proper installation.
is best, with 100% coverage on both surfaces. Always keep
4.5 A coating, jacket, cladding or appropriate protection
adhesivesstirredthoroughly.Allowsolventstodissipatebefore
shall be used where mechanical abuse or damage is expected.
combining two surfaces. This will be determined by time,
Outdoor applications may require special consideration – refer
temperature and adhesive type. Ensure all seams are aligned,
to the manufacturer’s recommendations.
tight, and are completely sealed.
4.6 For satisfactory performance, properly installed protec-
8.2 The specified insulation thickness should be maintained
tive vapor retarders/barriers and vapor stops must be used on
throughout the installation. When using unslit tubular insula-
high relative humidity and below ambient temperature appli-
tion on pipe work being installed, the insulation should be
cations to reduce movement of moisture through or around the
slid/pushed on the pipe, never pulled as this will stretch and
insulation to the colder interior surface.
thin the insulation. The insulation is not to be stretched to fit.
All insulation should be installed under slight compression to
5. Significance and Use
ensure a snug fit.Accommodations need to be made to prevent
5.1 This guide applies to flexible closed cell insulation
the insulation from being compressed by weight; that is, pipe
tubing and sheet materials manufactured according to Specifi-
hangers. For applications where the pipe work is already
cation C534 and Specification C1427. This standard is in-
installed, the insulation must be slit and adhesive applied or
tended to provide a basic guide for installing these types of
pre-slit/pre-glued insulation used.
materials.
8.3 Install insulation on systems that are dry, at room
5.2 Confirm application use temperature is consistent with
temperature and already pressure tested.
specified use temperature for material as defined in ASTM
8.4 Use miter boxes or templates for making accurate cuts.
Specifications unless otherwise agreed upon with the manufac-
See Fig. 1. Keep to correct dimensions. Do not cut the
turer.There are different grades for each of the insulation types
insulation short and stretch it to fit the space.
referred to in this guide, material and grade installed should be
8.5 Slide insulation on straight piping runs whenever pos-
that specified.
sible to reduce seams. If insulation must be slit to apply to
5.3 Thisguideisnotintendedtocoverallaspectsassociated
piping, slit in a straight line. On large ID insulation where the
with installation for all applications, consult the National,
material may be oval shaped, slit along the flat side (top or
CommercialIndustrialInsulationStandards(MICAManual)or
bottom) not along the edge for a better fitting seam. Refer to
the specific product manufacturer for recommendations, or
8.2.
both. (See ASHRAE Handbook (Fundamentals – Chapter 26)
9. Hazards
and ASHRAE Handbook (Refrigeration – Chapter 33)
9.1 Use good quality tools and keep working area and
6. Workmanship, Finish and Appearance
materials clean. Keep cutting tools sharp. Recommend non-
6.1 The insulation shall have no visible defects that will
serrated edged steel knife which can be sharpened.
adversely affect its performance or appearance. Materials shall
9.2 Use appropriate protective equipment, that is. Safety
be kept clean and dry until used. Use good quality tools at all
glasses and safe practices when installing the material.
times. Ensure cleanliness of insulation products, pipe work,
9.3 Provide suitable ventilation when working with solvent
vessels, fittings and tools. Avoid dust, dirt, oil or water on
based adhesives.
surfaces and equipment. It is recommended to apply insulation
10. Recommendations for Specific Installation Situations
to a system which is not in operation. If insulation must be
applied to a system that is operating, special precautions must 10.1 Straight Pipe Section – unjoined—Slide insulation
be taken to prevent condensation from being trapped in the along the pipe work for straight runs. Seal all butt joints, cut
insulation envelope. Never stretch insulation to fit. Specified outs and termination points. See Fig. 2.
di
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