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07411bsc.txt
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1998-06-10
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SECTION 07411
GALVALUME(R) ROOF PANELS
NOTE ** This section is based on preformed metal roofing
that is manufactured from Galvalume(R) sheet, as
produced by Bethlehem Steel Corporation, located at
the following address:
NOTE ** Bethlehem, Pennsylvania 18016-7699
NOTE ** Tel. (800) 352-5700, extension 400.
NOTE **
NOTE ** Galvalume(R) sheet is a metallic coated sheet
steel. Its optimum 55% aluminum-zinc alloy coating
provides exceptional long-term durability. In
addition, in combination with today's high
performance paint systems, prepainted Galvalume(R)
sheet provides this outstanding long-term
performance with a wide range of aesthetic options.
NOTE **
NOTE ** Galvalume(R) is a registered trademark of BIEC
International, Inc.
NOTE **
NOTE ** SECTION 07411 - GALVALUME ROOF PANELS, Copyright
1997, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Edit items below as required for project.
A. Labor, materials, tools, equipment, and services for
preformed Galvalume(R) roofing, including roof panels,
flashings and all other accessories necessary for a
sound, secure and complete installation.
B. Coordination with related work.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 05120 - Structural Steel.
B. Section 06100 - Rough Carpentry: Framing and Sheathing.
C. Section 06150 - Wood Decking.
D. Section 07210 - Building Insulation.
E. Section 07620 - Sheet Metal Flashing and Trim.
F. Section 07900 - Joint Sealers.
1.3 REFERENCES
NOTE ** Add any references to the list below that are
included in text you have added to the section.
A. ASTM A 792/A 792M - Standard Specification for Steel
Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip
Process, General Requirements.
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Submit manufacturer's product
specifications, standard details, installation
instructions and general recommendations, as applicable
to materials and finishes for each component and for
complete roofing installation.
C. Shop Drawings: Submit complete shop drawings and
erection details showing methods of erection, elevations
and plans of roof panels, sections and details,
anticipated loads, flashings and all other accessories,
interfaces with all related work of other trades, and
proposed identification of component parts and their
finishes.
D. Selection Samples: Submit color chips for selection of
finishes.
E. Verification Samples: Submit one sample of roof panel,
including clips and battens if applicable. Submit two
color chip samples in color selected by Architect.
F. Certifications: Submit certification that roofing
assembly meets specified loading requirements and has
been pretested to provide specified resistance to wind
uplift, and air and water infiltration.
1.5 QUALITY ASSURANCE
A. Manufacturer: Minimum __ years experience in
manufacturing roof panels similar to those required for
this project.
B. Installer: Minimum __ years experience in installing
roof panels similar to those required for this project.
C. Field Measurements: Where possible, take field
measurements of structural framing and substrate to
receive the roofing, prior to fabrication of roof panels.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Delivery: Deliver roof panels to project site packaged
to provide protection against transportation damage and
adverse weather. Inspect roof panels upon arrival at
site. Notify manufacturer of any damaged or stained
material.
B. Storage: Store all 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.
C. Handling: Exercise extreme care in unloading, storing
and erecting roof panels to prevent bending, warping,
twisting, and surface damage.
1.7 WARRANTY
A. Material Warranty: Provide warranty issued by
manufacturer to cover roof panel base metal against
rupture, structural failure, or perforation due to
exposure to normal atmospheric corrosion for a period of
20 years and 6 months.
NOTE ** If warranty requirements below are retained, verify
they are available from selected manufacturer.
Include required term of each warranty.
B. Weathertightness Warranty: Provide warranty issued by
installer to cover roofing against leaks arising out of
or caused by ordinary wear and tear under normal weather
and atmospheric conditions for a period of __ years.
C. Finish Warranty: Provide manufacturer's warranty to
cover roof panel finish against cracking, checking,
blistering, peeling, flaking, chipping, chalking, and
fading under normal atmospheric conditions for a period
of __ years.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Material: Provide Galvalume(R) sheet as manufactured by
Bethlehem Steel Corporation; Bethlehem PA 18016-7699;
ASD. Tel. (800) 352-5700, extension 400.
NOTE ** Contact Bethlehem for a current "Suppliers of
Galvalume(R) Sheet Roofing Components"; Booklet
#2879.
B. Roofing: Provide preformed Galvalume(R) roof panels,
flashings and accessories from one of the following
manufacturers:
1. Manufacturer No. 1: ____________________________.
2. Manufacturer No. 2: ____________________________.
3. Manufacturer No. 3: ____________________________.
C. Substitutions are not acceptable.
NOTE ** Delete paragraph above or below; edit as required
for project.
D. Submit requests for substitutions in accordance with
provisions of Section 01600.
2.2 MATERIALS
A. Roof Panels, Flashings, and Accessories: Structural
quality aluminum-zinc alloy-coated steel sheet
(Galvalume(R)), complying with ASTM A 792 and with
coating weight, grade and thickness to suit
manufacturer's standards.
NOTE ** Retain paragraph below only if prefinished roofing
is required. Select paint system and color from
manufacturer's standard offerings.
B. Finish: Apply paint system by a pre-approved coil coater
in accordance with Bethlehem's "Process Specification for
Prepainted Galvalume(R) Sheet."
1. Paint System: ________________________________.
2. Color: ____________________________.
3. Color: As selected by Architect from manufacturer's
standards.
2.3 FABRICATION
A. Roll-form continuous roof panels, as detailed on approved
shop drawings, in lengths up to manufacturer's maximum
standard lengths.
B. Fabricate trim, flashing and accessories, as detailed on
approved shop drawings.
C. Fabricate trim and flashing from same material as panel.
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 panels so they are weathertight, allowing for
expansion and contraction.
B. Install panels in accordance with manufacturer's
instructions and approved shop drawings.
C. Install panels plumb, level, and straight, with seams and
ribs/battens parallel, conforming to the design as
indicated.
3.3 ADJUSTING AND CLEANING
A. Dispose of excess materials and remove debris from site.
B. Clean work in accordance with recommendations of roofing
panel manufacturer.
C. Touch up minor scratches and abrasions with paint
provided or approved by panel manufacturer.
D. Protect work against damage. Replace any work that
becomes damaged prior to final acceptance.
NOTE ** DISCLAIMER: The information presented in this
document is for illustrative purposes only.
Bethlehem Steel Corporation assumes no
responsibility for its use. Anyone relying upon or
making use of this information does so at his own
risk and assumes any and all liability or other
consequences resulting therefrom.
END OF SECTION