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1998-06-10
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SECTION 07411
STAINLESS STEEL ROOF PANELS
NOTE ** This section covers manufactured stainless steel
roof panels for on-roof machine-seaming. The
section includes stainless steel and terne-coated
stainless steel, without applied finishes.
NOTE ** Information in this section is provided by the
Specialty Steel Industry of the United States
(SSIUS) which is a source of technical data on
stainless steel. SSIUS has the capabilities for
providing seminars, technical publications and can
help facilitate design assistance on the use of
stainless steel products for architectural and
engineering applications. For additional
information, contact SSIUS at:
NOTE **
NOTE ** Specialty Steel Industry of the United States
NOTE ** 3050 K Street, NW
NOTE ** Washington, DC 20007
NOTE **
NOTE ** Tel: (202) 342-8630
NOTE ** Fax: (202) 342-8451
NOTE **
NOTE ** SECTION 07411 - STAINLESS STEEL ROOF PANELS,
Copyright 1998, The Architect's Catalog, Inc.
NOTE ** Disclaimer: The Specialty Steel Industry of the
United States (SSIUS) and the individual companies
it represents have made every effort to ensure that
the information presented in this specification is
technically correct. However, neither the SSIUS
nor its member companies warrants the accuracy of
the information contained in this specification or
its suitability for any general and specific use,
the SSIUS assumes no liability or responsibility of
any kind in connection with the use of this
information. The reader is advised that the
material contained herein should not be used or
relied on for any specific or general applications
without first securing competent advice.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Two types of panels are included in this section:
Preformed panels (batten- and standing-seam) that
are machine-seamed on the roof, and panels of other
profiles that are roll-formed for each project,
requiring specialized roll-forming equipment.
Verify type required and availability from specific
roof panel manufacturers.
A. Manufactured stainless steel roof panels for on-roof
machine-seaming, including provision of portable machine
tools.
B. Manufactured stainless steel roof panels for on-roof
machine-seaming, including provision of roll-forming
equipment and portable machine tools.
C. Provide all labor, materials, tools, equipment, and
services for complete roof panel system.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 05120 - Structural Steel: Roof framing.
B. Section 05310 - Steel Deck.
C. Section 06100 - Rough Carpentry: Roof framing and
sheathing.
D. Section 06150 - Wood Decking.
E. Section 07210 - Building Insulation.
F. Section 07613 - Sheet Stainless Steel Roofing: Custom
stainless steel roofing.
G. Section 07620 - Sheet Metal Flashing and Trim.
H. Section 07900 - Joint Sealers.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not
actually required by the text of the edited
section.
A. ASCE 7 - Minimum Design Loads for Buildings and Other
Structures; American Society of Civil Engineers.
B. ASTM A 240/A 240M - Standard Specification for Heat-
Resisting Chromium and Chromium-Nickel Steel Plate,
Sheet, and Strip for Pressure Vessels.
C. ASTM A 308 - Standard Specification for Sheet, Terne
(Lead-Tin Alloy) Coated by the Hot-Dip Process.
NOTE ** The following paragraph should be included only if
referenced under Performance Requirements, for wind
uplift testing.
D. ASTM E 907 - Standard Test Method for Field Testing
Uplift Resistance of Roofing Systems Employing Steel
Deck, Rigid Insulation and Bituminous Built-Up Roofing.
E. SSIUS - Designer Handbook Series; Specialty Steel
Industry of the United States (SSIUS).
1. Stainless Steel for Roofing, Flashings, Copings.
2. Design Guidelines for the Selection and Use of
Stainless Steel.
3. Specifications for Stainless Steel.
4. Stainless Steel Fabrication.
5. Stainless Steel FastenersCA Systematic Approach to
Their Selection.
6. Finishes for Stainless Steel.
7. Stainless Steel Architectural Facts.
F. SMACNA - Architectural Sheet Metal Manual; Sheet Metal
and Air Conditioning Contractors National Association,
Inc.; fifth edition, 1993.
1.4 PERFORMANCE REQUIREMENTS
NOTE ** The following text is an example for format and
arrangement. Enter values and add any other
relevant requirements after consultation with the
roof panel manufacturer. Do not include
requirements that cannot be met by the panel
products specified.
A. Design roof assembly to conform to the requirements of
ASCE 7, Minimum Design Loads for Buildings and Other
Structures.
B. Structural Performance: Design to support the following
loads.
1. Uniform live load of ____ psf.
2. Snow load of ____ psf.
3. Equipment loads as indicated on the drawings.
C. Air Infiltration: ____ cfm per linear foot of seam,
maximum, when tested in accordance with ________.
D. Water Penetration: No leakage at ____ psf static
pressure difference, when tested in accordance with
_____.
NOTE ** Retain the paragraph below after consultation with
roofing manufacturer. Delete if UL Class 90 roof
is not required for the project, or modify if FM I-
90 or I-60 is required for the project.
E. Wind Uplift: Provide roof assemblies meeting
requirements of ASTM E 907 for UL Class 90 wind uplift
resistance.
F. Wind-Uplift Resistance: ______, when tested in
accordance with _______.
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Submit manufacturer's product
specifications for materials and finishes, standard
details, installation instructions, test data, and
general recommendations, for each component and for
complete roof panel installation.
C. Shop Drawings: Showing methods of erection, elevations
and plans of roof panels, sections and details,
anticipated loads, flashings and other accessories,
interfaces with related work of other trades, and
proposed identification of component parts and their
finishes.
D. Samples: Submit samples of stainless steel roof panel,
12 inches by 12 inches minimum, including clips and
battens, if applicable.
E. Certifications: Submit certification that roof panel
assembly meets specified loading requirements and has
been tested to provide specified resistance to wind
uplift and air and water infiltration
1.6 QUALITY ASSURANCE
A. Manufacturer Qualifications: Minimum of 5 years of
experience manufacturing stainless steel roof panel
systems similar to roof panel system required for this
project.
B. Installer Qualifications: Minimum of 5 years of
experience in installing stainless steel roof panel
systems similar to roof panel system required for this
project.
C. Field Measurements: Where possible, take field
measurements of structural framing and substrate to
receive the stainless steel roof panels, prior to
fabrication of roof panels.
NOTE ** Delete the following if not required. A mock-up is
probably not required or justified for standard
manufactured products.
D. Mock-Up: Before proceeding with installation, prepare a
project mock-up that incorporates materials and methods
of fabrication and installation identical with project
requirements.
1. Retain accepted mock-up as quality standard for
acceptance of completed stainless steel roof panel
installation.
2. If accepted, mock-up may be incorporated as a part of
the work.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Deliver stainless steel roof panels to the project site
properly packaged to provide protection against
transportation damage and adverse weather. Inspect roof
panel materials upon arrival at site. Notify
manufacturer of any damaged or stained material.
B. Store stainless steel material and accessories above
ground on well skidded platforms. Elevate one end of
each skid to allow for moisture run-off. Store under
waterproof covering. Provide proper ventilation to
prevent condensation build-up between each roof panel
system elements.
C. Exercise extreme care in unloading, storing and erecting
stainless steel roof panels to prevent bending, warping,
twisting, and surface damage.
1.8 WARRANTY
A. Material Warranty: Provide material warranty issued by
manufacturer to cover stainless steel roof panels base
metal against rupture, structural failure, or perforation
due to exposure to normal atmospheric corrosion.
NOTE ** Retain the paragraph below only if available from
contractor and installer; otherwise delete.
Coordinate with "Conditions of the Contract" for
the project.
B. Weathertightness Warranty: Provide warranty issued by
contractor and roof panel installer to cover roof panel
system against leaks arising out of or caused by ordinary
wear and tear under normal weather and atmospheric
conditions.
C. Finish Warranty: Provide manufacturer's material
warranty to cover roof panel finish defects.
PART 2 PRODUCTS
2.1 MANUFACTURERS
NOTE ** Contact the Specialty Steel Industry of the United
States, Inc. for a directory of members.
A. Stainless Steel Sheet: Provide material manufactured by
a producing mill member of the Specialty Steel Industry
of the United States. ASD.
NOTE ** The manufacturers of the stainless steel sheet
usually do not also make it into manufactured roof
panels. Consult roof panel manufacturers' catalog
literature for information about types and styles
available.
B. Roof Panels: Provide stainless steel roof panels,
flashings and accessories from one of the following
manufacturers:
1. ____________.
2. ____________.
3. ____________.
NOTE ** Delete one of the two paragraphs below; coordinate
with Division 1 requirements.
C. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
D. Substitutions: Not permitted.
2.2 MATERIALS
NOTE ** Select one of the following stainless steel types
below.
A. Stainless Steel Sheet: ASTM A 240/A 240M, Type 304,
fully annealed, dead soft temper, finish and thickness as
indicated and in accordance with roof panel
manufacturer's standards.
B. Stainless Steel Sheet: Terne-coated stainless steel
sheet, complying with ASTM A 308, Type 304, fully
annealed, dead soft temper.
1. Coating: Coat both sides of stainless steel sheet
with terne alloy (80-20 lead/tin) in accordance with
manufacturer's standards for nominal coating weight.
2. Thickness as indicated and in accordance with
manufacturer's standard.
2.3 MANUFACTURED UNITS
A. Roof Panels: Roll-formed continuous stainless steel roof
panels, designed for on-roof machine seaming.
NOTE ** Delete all but one of the following panel type
descriptions. Edit as required to describe the
actual product necessary.
1. Panel Type: Standing-seam.
2. Panel Type: Batten-seam.
3. Panel Type: Profile indicated on drawings.
NOTE ** Delete one of the following panel length
descriptions. Most manufacturers have maximum
panel lengths that are determined by their
manufacturing capabilities. If very long lengths
are required, such as lengths to eliminate all
horizontal joints, on-site roll-forming is
available -- specify length required so contractor
will know that that is a requirement of the
project.
4. Panel Lengths: Up to manufacturer's maximum standard
lengths.
5. Panel Lengths: ________ feet, minimum.
NOTE ** Select panel thickness below after consultation
with material producers and roof panel
manufacturer. 0.019 inch is the equivalent of 26
gage and is only one of the many thicknesses
available.
6. Metal Thickness: 0.019 inch.
7. Metal Thickness: _____ inch.
NOTE ** Select finish below after consultation with
material producer and roof panel manufacturer;
verify appropriate finish for project requirements.
Other finishes are available. No.1 finish is only
for mill-ordered width less than 24 inches.
8. Finish: No.2D (dull) mill rolled sheet finish.
9. Finish: No.1 (dull mill rolled strip finish).
10. Finish: ________.
11. Finish: As selected by Architect from roof panel
manufacturer's standards.
B. Batten Caps: Same material and finish as roof panel
sheets; panel manufacturer's standard design.
C. Trim, Flashing and Accessories: Same material and finish
as roof panel sheets, and as detailed on drawings.
D. Include all clips, anchors, and other accessories
necessary for a sound, secure and complete installation.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verify that substrates and adjacent work are ready to
receive work of this section. Do not proceed until
unsatisfactory conditions have been corrected.
3.2 INSTALLATION
A. Install roof panels in accordance with manufacturer's
instructions and shop drawings, including the use of
"starter" strips.
B. Install panels plumb, level, and straight, with seams and
ribs/battens parallel, conforming to the design as
indicated.
C. Install roof panels for a weathertight condition,
allowing for expansion and contraction of metal.
D. Install underlayment as recommended by panel
manufacturer.
E. Prevent contamination of stainless steel by such elements
as iron filings, carbon steel fasteners, hydrochloric
acid base fluxes, and chloride masonry cleaners.
3.3 ADJUSTING AND CLEANING
A. Legally dispose of excess materials and remove debris
from site.
B. Clean work in accordance with recommendations of roof
panel manufacturer.
C. Touch up minor scratches and abrasions as recommended by
roof panel manufacturer.
D. Protect work against damage. Replace work that becomes
damaged prior to final acceptance.
END OF SECTION