ASTM E2816-15
(Test Method)Standard Test Methods for Fire Resistive Metallic HVAC Duct Systems
Standard Test Methods for Fire Resistive Metallic HVAC Duct Systems
SIGNIFICANCE AND USE
5.1 These test methods are intended to evaluate the ability of the HVAC duct system and its supporting construction to do the following:
5.1.1 Resist the effects of a standardized fire exposure, and
5.1.2 Retain its integrity.
5.2 These test methods provide for the following measurements and evaluations where applicable:
5.2.1 Ability of the fire-resistive material to resist flaming (combustion) when exposed to 1382°F (750°C).
5.2.2 Ability of the tested support system to carry the load of the HVAC duct and its fire-resistive material(s) during a standardized fire-engulfment test.
5.2.3 Ability of the firestops to meet the requirements of Test Method E814 when used as part of a HVAC duct system.
5.2.4 Ability of the HVAC duct system to resist the passage of flames and hot gases onto its unexposed surface during a standardized fire-resistance test.
5.2.5 Transmission of heat through the HVAC duct system during a standardized fire-resistance test.
5.2.6 Ability of the firestop to resist the passage of water during a standardized hose stream test.
5.2.7 Comparative measurement of temperature aging of the fire-resistive material(s) when subjected to a standardized thermal cycling during the durability test.
5.2.8 Measurement of flame spread over the surface of the fire-resistive material or HVAC duct system.
5.2.9 Ability of the covering and lining to resist flaming, glowing, smoldering or smoking while in service.
5.3 These test methods do not provide the following:
5.3.1 Full information as to performance of the fire-resistive material, supporting construction, or the HVAC duct system constructed with components, densities, or dimensions other than those tested.
5.3.2 Evaluation of the degree by which the fire-resistive material or HVAC duct system contributes to the fire hazard by generation of toxic gases, or other products of combustion.
5.3.3 Measurement of the degree of control or limitation of the passage of smoke...
SCOPE
Note 1: Use of the standard designation ISO 6944 refers to both ISO 6944:1985 and ISO 6944-1:2008.
1.1 These test methods evaluate the fire-resistive materials and the HVAC duct systems surface burning characteristics, non-combustibility, fire resistance, durability, and fire-engulfment with horizontal and vertical through-penetration firestops.
Note 2: The intent of these test methods is to provide authorities having jurisdiction a means to evaluate the fire performance of HVAC duct systems to enable their application and use.
1.2 These test methods evaluate the fire performance of HVAC ducts, including both supply (pressurized: Condition A – Horizontal and Condition B – Vertical) and return (exhaust: Condition C – Horizontal and Condition D – Vertical).
1.3 These test methods evaluate the ability of a HVAC duct system to resist the spread of fire from one compartment to other compartments separated by a fire resistance rated construction when the HVAC duct system is exposed to fire under one or more of the following conditions:
1.3.1 Condition A—Fire exposure from the outside of the horizontal HVAC duct system without openings,
1.3.2 Condition B—Fire exposure from the outside of the vertical HVAC duct system without openings,
1.3.3 Condition C—Fire exposure from the outside with hot gases entering the inside of the horizontal HVAC duct system with unprotected openings, and
Note 3: Unprotected openings are openings that are not protected by fire dampers.
1.3.4 Condition D—Fire exposure from the outside with hot gases entering the inside of the vertical HVAC duct system with unprotected openings.
1.4 These test methods provide a means for determining the fire-resistance of vertical and horizontal HVAC duct systems, when subjected to the standard time-temperature curve of Test Methods E119.
1.4.1 Condition A—These test methods provide a means for evaluating a horizontal HVAC duct system, wi...
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Designation: E2816 − 15 AnAmerican National Standard
Standard Test Methods for
1
Fire Resistive Metallic HVAC Duct Systems
This standard is issued under the fixed designation E2816; 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.
INTRODUCTION
Heating, Ventilation, Air Conditioning (HVAC) duct systems may be subjected to fire- exposure
conditions. ISO 6944 is a standard test method used to evaluate ventilation ducts. However, ISO 6944
does not address all of the fire resistive attributes deemed necessary by some authorities having
jurisdiction,forexample, (1)thefire-resistive,combustibility,flamespreadandsmokegeneration,and
durability properties of the fire-resistive materials protecting the HVAC duct, (2) the transition from
the horizontal to a vertical HVAC duct, (3) the attachment of the HVAC duct’s supports to the
fire-separating elements, (4) the termination of an HVAC duct system and the protection of its ends,
(5) the effects of rapid cooling and erosion upon the HVAC duct system, (6) the use of fire dampers
and (7) the effect of the HVAC duct system on its supporting construction. Many types of fire-resistive
materials are used to protect HVAC ducts. These fire-resistive materials are either applied to HVAC
ducts in the field or are fabricated as an integral part of the HVAC duct system when shipped from the
factory. Evaluating fire-resistive materials used to protect a HVAC duct from fire is an aid for
predicting their fire performance and helps to establish uniformity in requirements of various
authorities. To do this it is necessary that the fire-resistance properties of HVAC ducts protected with
fire-resistive materials be measured and specified according to a common standard expressed in terms
that are applicable alike to a wide variety of materials, situations, and conditions of exposure.
1. Scope struction when the HVAC duct system is exposed to fire under
NOTE 1—Use of the standard designation ISO 6944 refers to both ISO
one or more of the following conditions:
6944:1985 and ISO 6944-1:2008.
1.3.1 Condition A—Fire exposure from the outside of the
1.1 These test methods evaluate the fire-resistive materials
horizontal HVAC duct system without openings,
and the HVAC duct systems surface burning characteristics,
1.3.2 Condition B—Fire exposure from the outside of the
non-combustibility, fire resistance, durability, and fire-
vertical HVAC duct system without openings,
engulfment with horizontal and vertical through-penetration
1.3.3 Condition C—Fire exposure from the outside with hot
firestops.
gases entering the inside of the horizontal HVAC duct system
NOTE 2—The intent of these test methods is to provide authorities
with unprotected openings, and
having jurisdiction a means to evaluate the fire performance of HVAC
duct systems to enable their application and use.
NOTE 3—Unprotected openings are openings that are not protected by
fire dampers.
1.2 These test methods evaluate the fire performance of
HVAC ducts, including both supply (pressurized: Condition A
1.3.4 Condition D—Fire exposure from the outside with hot
– Horizontal and Condition B – Vertical) and return (exhaust:
gases entering the inside of the vertical HVAC duct system
Condition C – Horizontal and Condition D – Vertical).
with unprotected openings.
1.3 These test methods evaluate the ability of a HVAC duct
1.4 These test methods provide a means for determining the
system to resist the spread of fire from one compartment to
fire-resistance of vertical and horizontal HVAC duct systems,
other compartments separated by a fire resistance rated con-
when subjected to the standard time-temperature curve of Test
Methods E119.
1.4.1 Condition A—These test methods provide a means for
1 evaluating a horizontal HVAC duct system, without openings
These test methods are under the jurisdiction ofASTM Committee E05 on Fire
Standards and are the direct responsibility of Subcommittee E05.11 on Fire
exposed to fire, passing through a vertical fire-separating
Resistance.
element.
Current edition approved Jan. 15, 2015. Published February 2015. Originally
1.4.2 Condition B—These test methods provide a means for
approved in 2011. Last previous edition approved in 2013 as E2816-13a. DOI:
10.1520/E2816-15. evaluating a vertical HVAC duct system, without openings
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E2816 − 15
exposed to fire and outfitted with a horizontal connection, E84 Test Method for Surface Burning Characteristics of
passing through
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: E2816 − 13a E2816 − 15 An American National Standard
Standard Test Methods for
1
Fire Resistive Metallic HVAC Duct Systems
This standard is issued under the fixed designation E2816; 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.
INTRODUCTION
Heating, Ventilation, Air Conditioning (HVAC) duct systems may be subjected to fire- exposure
conditions. ISO 6944 is a standard test method used to evaluate ventilation ducts. However, ISO 6944
does not address all of the fire resistive attributes deemed necessary by some authorities having
jurisdiction, for example, (1) the fire-resistive, combustibility, flame spread and smoke generation, and
durability properties of the fire-resistive materials protecting the HVAC duct, (2) the transition from
the horizontal to a vertical HVAC duct, (3) the attachment of the HVAC duct’s supports to the
fire-separating elements, (4) the termination of an HVAC duct system and the protection of its ends,
(5) the effects of rapid cooling and erosion upon the HVAC duct system, (6) the use of fire dampers
and (7) the effect of the HVAC duct system on its supporting construction. Many types of fire-resistive
materials are used to protect HVAC ducts. These fire-resistive materials are either applied to HVAC
ducts in the field or are fabricated as an integral part of the HVAC duct system when shipped from the
factory. Evaluating fire-resistive materials used to protect a HVAC duct from fire is an aid for
predicting their fire performance and helps to establish uniformity in requirements of various
authorities. To do this it is necessary that the fire-resistance properties of HVAC ducts protected with
fire-resistive materials be measured and specified according to a common standard expressed in terms
that are applicable alike to a wide variety of materials, situations, and conditions of exposure.
1. Scope
NOTE 1—Use of the standard designation ISO 6944 refers to both ISO 6944:1985 and ISO 6944-1:2008.
1.1 These test methods evaluate the fire-resistive materials and the HVAC duct systems surface burning characteristics,
non-combustibility, fire resistance, durability, and fire-engulfment with horizontal and vertical through-penetration firestops.
NOTE 2—The intent of these test methods is to provide authorities having jurisdiction a means to evaluate the fire performance of HVAC duct systems
to enable their application and use.
1.2 These test methods evaluate the fire performance of HVAC ducts, including both supply (pressurized: Condition A –
Horizontal and Condition B – Vertical) and return (exhaust: Condition C – Horizontal and Condition D – Vertical).
1.3 These test methods evaluate the ability of a HVAC duct system to resist the spread of fire from one compartment to other
compartments separated by a fire resistance rated construction when the HVAC duct system is exposed to fire under one or more
of the following conditions:
1.3.1 Condition A—Fire exposure from the outside of the horizontal HVAC duct system without openings,
1.3.2 Condition B—Fire exposure from the outside of the vertical HVAC duct system without openings,
1.3.3 Condition C—Fire exposure from the outside with hot gases entering the inside of the horizontal HVAC duct system with
unprotected openings, and
NOTE 3—Unprotected openings are openings that are not protected by fire dampers.
1.3.4 Condition D—Fire exposure from the outside with hot gases entering the inside of the vertical HVAC duct system with
unprotected openings.
1.4 These test methods provide a means for determining the fire-resistance of vertical and horizontal HVAC duct systems, when
subjected to the standard time-temperature curve of Test Methods E119.
1
These test methods are under the jurisdiction of ASTM Committee E05 on Fire Standards and are the direct responsibility of Subcommittee E05.11 on Fire Resistance.
Current edition approved Aug. 1, 2013Jan. 15, 2015. Published September 2013February 2015. Originally approved in 2011. Last previous edition approved in 2013 as
E2816-13.-13a. DOI: 10.1520/E2816-13A.10.1520/E2816-15.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
E2816 − 15
1.4.1 Condition A—These test methods provide a means for evaluating a horizon
...
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