ASTM E1637-98

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: E 1637 – 98
Standard Specification for
Structural Standing Seam Aluminum Roof Panel Systems
This standard is issued under the fixed designation E 1637; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope C 711 Test Method for Low-Temperature Flexibility and
Tenacity of One-Part, Elastomeric, Solvent-Release Type
1.1 This specification covers the design, construction, and
Sealants
weatherability of structural standing seam aluminum roof panel
C 765 Test Method for Low-Temperature Flexibility of
systems. It includes performance requirements for the follow-
Preformed Tape Sealants
ing elements only: panels, concealed panel clips, panel/clip
C 879 Test Method for Release Papers Used with Pre-
anchorage, and panel joint sealers.
formed Tape Sealants
NOTE 1—These systems are used on both low-slope and steep-slope
D 1667 Specification for Flexible Cellular Materials—
roof applications. They also are used with or without an underlying deck
Vinyl Chloride Polymers and Copolymers (Closed-Cell
or sheathing.
Form)
1.2 The objective of this specification is to provide for the
D 3310 Test Method for Determining Corrosivity of Adhe-
overall performance of the structural standing seam aluminum 5
sive Metals
roof panel system as defined in 3.2.6 during its service life in
E 631 Terminology of Building Constructions
order to provide weather protection, carry the specified design
E 1592 Test Method for Structural Performance of Sheet
loads, and allow proper access over the roof surface in order to
Metal Roof and Siding Systems by Uniform Static Air
provide for periodic maintenance of the equipment by the
Pressure Difference
building owner.
E 1646 Test Method for Water Penetration of Exterior Metal
1.3 In addition to structural characteristics, the specifier
Roof Panel Systems by Uniform Static Air Pressure
shall evaluate other characteristics beyond the scope of this
Difference
specification that affect the final choice of roof construction.
E 1680 Test Method for Rate of Air Leakage Through
These include, but are not limited to, functional, legal, insur-
Exterior Metal Roof Panel Systems
ance, and economic considerations. See Appendix X1 for the
G 21 Practice for Determining Resistance of Synthetic
specifier’s checklist. 7
Polymeric Materials to Fungi
1.4 This specification is not intended to exclude products or
2.2 Factory Mutual Research Corporation Standard:
systems not covered by the referenced documents. 8
Approval Standard Class 1 Panel Roofs Class No. 4471
1.5 The values stated in inch-pound units are to be regarded
2.3 Underwriters Laboratories Standard:
as the standard. The values given in parentheses are for
UL 580, Standard for Safety, Tests for Uplift Resistance of
information only.
Roof Assemblies
1.6 The text of this specification contains notes and foot-
2.4 Aluminum Association Document:
notes that provide explanatory information and are not require-
Aluminum Design Manual, Latest Edition
ments of this specification.
2.5 AISI Document:
2. Referenced Documents
2.1 ASTM Standards:
Annual Book of ASTM Standards, Vol 04.07.
Annual Book of ASTM Standards, Vol 08.01.
B 209 Specification for Aluminum and Aluminum-Alloy
Annual Book of ASTM Standards, Vol 15.06.
Sheet and Plate
Annual Book of ASTM Standards, Vol 04.11.
Annual Book of ASTM Standards, Vols 08.03 and 14.02.
Available from Factory Mutual Research Corp., P.O. Box 688, Norwood, MA
This specification is under the jurisdiction of ASTM Committee E-6 on
02062.
Performance of Buildings and is the direct responsibility of Subcommittee E06.57
Available from Underwriters’ Laboratories, 333 Pfingsten Rd., Northbrook, IL
on Performance of Metal Roof Systems.
60062.
Current edition approved Sept. 10, 1998. Published March 1999. Originally
Available from Aluminum Assn., 818 Connecticut Ave., NW, Washington, DC
published as E 1637 – 94. Last previous edition E 1637 – 94.
20006.
Annual Book of ASTM Standards, Vol 02.02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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.
E 1637 – 98
NOTE 2—The Base Test Method for Purlins Supporting a Standing
Cold-Formed Steel Design Manual, Latest Edition
Seam Roof System in the AISI Cold-Formed Steel Design Manual is used
2.6 MBMA Document:
to evaluate lateral support when the secondary structural is cold-formed
MBMA Low Rise Building Systems Manual, Latest Edi-
Zee or Cee purlins.
tion
4.2 Protection of Incompatible Materials—Components
2.7 ASHRAE Document:
constructed of incompatible materials shall not be placed
1997 ASHRAE Handbook, Fundamentals
together without an effective separating material.
2.8 National Climatic Center Document:
4.3 Oil Canning—Oil canning is an inherent characteristic
1981 B Climatography of U.S. #81
of products covered by this specification, particularly those
3. Terminology
with broad, flat areas. It is the result of several factors that
include, but are not limited to, induced stresses in the base
3.1 Definitions:
material, fabrication methods, and installation and thermal
3.1.1 Refer to the latest edition of the MBMA Low Rise
forces. While oil canning is an aesthetic issue, structural
Building Systems Manual and Terminology E 631 for defini-
integrity is not normally affected. Oil canning is not grounds
tions of terms used in this specification.
for panel rejection unless it does not meet prior standards
3.2 Descriptions of Terms Specific to This Standard:
established by the specifier.
3.2.1 construction loads, n—those loads encountered during
the erection of the roof system only.
5. Structural Integrity
3.2.2 fixing line, n—a line or adjacent lines of fixed points.
5.1 Panel System Design:
3.2.3 maintenance loads, n—loads including, but not lim-
5.1.1 Structural panels shall be designed in accordance with
ited to, personnel, equipment, and materials required to main-
the Specifications for Aluminum Structures and in accordance
tain functionality of the building.
with sound engineering methods and practices.
3.2.4 oil canning, n—a waviness that occurs in flat areas of
5.1.2 Deflection and serviceability shall be accounted for.
metal.
The deflection shall be limited so as to allow the roof to
3.2.5 sealer, n—any material that is used to seal cracks,
perform as designed. The substrate deflection shall not cause
joints, or laps.
strains to the panels that affect the serviceability of the system.
3.2.6 structural standing seam aluminum roof panel system,
5.2 Panel System Testing:
n—an aluminum roof system designed to resist positive and
5.2.1 Static (Positive or Negative) Load Capacity—When
negative loads applied normal to the panel surface without the
the panel system does not comply with the requirements for
benefit of a supporting deck or sheathing.
using the design procedures of the Specifications for Alumi-
3.2.7 thermal movement, n—the reaction of the roof system
num Structures, testing shall be performed to determine the
in response to changes in the panel temperature.
roof’s load capacity.
4. Performance Requirements 5.2.2 Uplift Index—When required by the specifier, the roof
system shall be tested in accordance with the requirements of
4.1 Design—The roof system shall be designed for specified
5.3 of Factory Mutual Research Corporation Approval Stan-
design loads and thermal effects.
dard 4471, or Underwriters Laboratories U.L. 580 or Test
4.1.1 Minimum environmental design loads shall be deter-
Method E 1592 or other applicable tests (see Appendix X2).
mined by the governing code or the design professional.
4.1.2 The finished roof system shall be capable of sustaining
6. Panel Material
a minimum 200-lb (0.9-kN) concentrated load on any 12-in. by
6.1 The panel material shall be in accordance with the
12-in. (300-mm by 300-mm) area of finished roof without
Specifications for Aluminum Structures and Specification
causing seam separation, permanent panel buckling, or loss of
B 209.
weathertightness.
6.2 Aluminum alloy, temper, and metal thickness shall be as
4.1.3 Thermal movement shall be provided for in accor-
required to resist specified design loads.
dance with Sections 7 and 8. Temperature extremes for many
localities are found in documents referenced in 2.6-2.8.
7. Panel Clips
4.1.4 The standing seam roof system clips do not always
7.1 Connections of panels to structural members shall be
provide full lateral support to secondary structural members.
made with concealed panel clips compatible with the panel
The degree of lateral support provided to the secondary
design.
structural members by the panel system shall be determined by
7.2 Provisions for the thermal movement between the panel
an appropriate test, or in the absence of such test, the panel
and the structure to which it is attached shall be accomplished
must be assumed to provide no lateral support.
by the use of concealed panel clips allowing such movement,
except as provided in 7.3.
7.3 When the building geometry and the rotational flexibil-
Available from American Iron and Steel Institute, 1101 17th Street, NW, Suite
1300, Washington, DC 20036-4700.
ity of the support members permit, it is permissible to resolve
Available from Metal Building Manufacturers Assn., Inc., 1300 Summer
Avenue, Cleveland, OH 44115-2851.
Available from American Society of Heating, Refrigerating and Air Condi-
tioning Engineers, 1791 Tullie Circle NE, Atlanta, GA 30329. Fisher, J. M. and West, M. A., “Serviceability Design Considerations for
Available from National Climatic Center, Ashville, MC. Low-Rise Buildings,” AISC Design Guide, No. 3.
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.
E 1637 – 98
thermal movement through controlled rotation of the interme- project conditions justify that the specifier impose a different
diate structural members rather than movement within the range. This watertightness shall be independent of the tempera-
panel clip. ture at the time of panel installation.
7.4 Where insulation is applied between the panels and
9.3.1.3 The sealer shall be noncorrosive and non-staining to
supporting structure, the panel clips shall be designed to be
adjacent materials and shall exhibit these characteristics after
compatible with the thickness and compressibility of the
testing in accordance with Test Method D 3310, including
insulation. If thermal spacers are required for insulation per-
water and with elevated temperature exposures for 21 days at
formance, the panel clip must be compatible with the thermal
160°F (71°C); the rating shall not exceed 2. The sealer shall be
spacer to reduce secondary stresses due to walking.
fungus resistant and exhibit this property after testing in
accordance with Practice G 21; the rating shall not exceed 1. In
8. Panel and Clip Anchorage
meat and poultry processing facilities or other areas requiring
USDA inspection, the sealer shall be chemically acceptable to
8.1 A fixing line is required to anchor roof panels in order to
maintain end alignment and to resist in-plane gravity and USDA and shall be requested by the specifier. Appropriate
FDA regulation(s) shall be included by the specifier when FDA
thermal force components.
8.2 Fasteners that penetrate the roof surface are permitted compliance is required.
only at panel endlaps, penetrations, fixing lines, rib reinforce-
9.3.1.4 If the seam design utilizes sealant, and the location
ments, and at roof termination lines. Details at these locations
of a clip component interrupts the sealant, the design shall not
shall allow for the expected thermal movement.
rely on differential movement between the panel seam and the
8.3 Nails shall not be used where subject to withdrawal
clip component.
loads.
9.3.1.5 If the sidelap sealer is interrupted by the installation
of a sidelap clip, and if required by the panel system design, the
9. Weather Tightness
seal shall be completed around the clip. The performance
9.1 Panel-to-panel sidelap connections and endlaps shall be
characteristics of the supplemental sealer shall be equal to the
weathertight.
primary sidelap sealer. Both sealers’ aging characteristics shall
9.2 Panels of maximum practicable lengths shall be used to sustain the above performance during the design service life of
minimize endlaps.
the roof.
9.3 Sealers:
9.3.2 Endlap Sealer—The panel endlap shall be sealed with
9.3.1 Sidelap Sealer—When the climate, roof slope, and
either field-applied tape or cartridge-type sealer, or both (see
roof system design warrant, the standing seam sidelap shall
Note). The endlap sealer shall be equal in performance to the
have a sealer (see Note 3). When the sealer is factory applied,
sidelap sealer. Minimal sealer exposure shall be allowed after
it shall remain in place and be protected during transit. In some
installation.
cases, the panel geometry will provide the required protection.
9.3.2.1 The following requirements shall apply additionally.
All sealers shall remain in place during panel installation and
Cartridge sealers shall remain fluid, and sealing tapes shall
be protected during storage and installation from any contami-
release cleanly from any backing paper at temperatures ranging
nation and abrasion that unduly affects service.
from 0°F ( − 18°C) to 140°F (60°C). Backing paper shall
release cleanly after exposure to moisture and when tested in
NOTE 3—When the slope of the roof is steep, or when the roof system
is in a geographic area with little rainfall or snowfall, a sidelap or endlap accordance with Test Method C 879 using the Procedure,
sealer may not necessarily be required.
Alternative A. Tape sealers shall exhibit no cracks or loss of
adhesion after exposure in accordance with Test Method C 765
9.3.1.1 The sealer shall be of sufficient size and shape to fill
with the modified 0.25-in. (6-mm) mandrel requirement (bent
the maximum void to be sealed and to ensure compression after
180° over a 0.25-in. mandrel). Cartridge-type sealers shall be
engagement. The minimum compression shall be 30 % by
tested in accordance with Test Method C 711. When required,
volume, or the adhesion plus webbing characteristics shall be
Test Methods C 765 and C 711 shall both be modified using a
as required to maintain watertig
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