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SECTION 07410
METAL ROOF AND WALL PANELS
NOTE ** McElroy Metal, Inc. metal roof and wall panels.
NOTE **
NOTE ** This section is based on products manufactured by
McElroy Metal, Inc., which is located at the
following address:
NOTE ** P.O. Box 1148
NOTE ** Shreveport LA 71163
NOTE ** Tel: (800) 950-6531
NOTE ** Fax: (318) 747-8059
NOTE **
NOTE ** McElroy Metal, Inc. offers a complete line of
factory fabricated metal wall and roof systems.
NOTE **
NOTE ** SECTION 07410 - METAL ROOF AND WALL PANELS,
Copyright 1997, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete items below not required for project.
A. Factory-formed panels in vertical installation.
B. Factory-formed panels in horizontal installation.
C. Metal flashings and trim.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 05400 - Cold Formed Metal Framing.
B. Section 07210 - Building Insulation.
C. 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. AAMA 501.2 - Field Check of Metal Curtain Walls for Water
Leakage; Architectural Aluminum Manufacturers
Association.
B. ASTM A 653/A 653M - Standard Specification for Steel
Sheets, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-
Coated (Galvannealed) by the Hot-Dip Process.
C. ASTM A 792/A 792M - Standard Specification for Steel
Sheet, 55% Aluminum-Zinc Alloy Coated by the Hot Dip
Process.
D. ASTM B 209 - Standard Specification for Aluminum and
Aluminum-Alloy Sheet and Plate.
E. ASTM D 2247 - Standard Practice for Testing Water
Resistance of Coatings in 100% Relative Humidity.
F. ASTM E 283 - Standard Test Method for Determining the
Rate of Air Leakage Through Exterior Windows, Curtain
Walls, and Doors Under Specified Pressure Differences
Across the Specimen.
G. ASTM E 331 - Standard Test Method for Water Penetration
of Exterior Windows, Curtain Walls, and Doors by Uniform
Static Air Pressure Difference.
H. ASTM G 90 - Standard Practice for Performing Accelerated
Outdoor Weathering of Non-Metallic Materials Using
Concentrated Natural Sunlight.
1.4 PERFORMANCE REQUIREMENTS
A. Panel Performance Requirements:
1. Air infiltration: Maximum 0.06 cubic feet per minute
per lineal foot (0.33 cu m per hour per linear meter)
of seam at static pressure of 6.24 pounds per square
foot when tested per ASTM E 283.
2. Water penetration:
a. No uncontrolled water penetration through panel
joints when tested in accordance with AAMA 501.2.
b. No uncontrolled water penetration through the
panel joints at a static pressure of 6.24 pounds
per square foot (2.9 kPa) when tested in
accordance with ASTM E 331.
NOTE ** Delete following paragraph if only bare or mill
finish panels are required.
B. Finish Performance Requirements:
1. Color change and fade resistance: No cracking,
peeling, blistering, or loss of adhesion when tested
in accordance with ASTM G 90; color change, after
removal of surface deposits such as dirt or chalk,
maximum 5 NBS units.
2. Humidity resistance: No blistering, peeling, or loss
of adhesion, after 1,000 hours testing in accordance
with ASTM D 2247.
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's product literature for
panel, finishes, and trim.
C. Shop Drawings:
1. Indicate layout of panels and panel sizes, including
custom-fabricated panels if indicated; indicate each
item of trim and accessories.
2. Indicate in detailed drawings profile and gauge of
interior and exterior sheets, locations and types of
fasteners; indicate locations, gages, shapes, and
methods of attachment of panels, trim and accessory
items.
3. Indicate products/materials required for construction
activities of this section not supplied by
manufacturer of products of this section.
NOTE ** Delete following paragraph if colors and finishes
are pre-selected.
D. Selection Samples: For each product requiring color
selection, two sets of manufacturer's sample chips
representing full range of colors and finishes available.
E. Verification Samples: For each color and finish
selected, two chips indicating match to selected color
and finish.
F. Quality Assurance Submittals:
NOTE ** Delete following paragraph if substitutions are
prohibited.
1. Certificates: Contractor's certification that:
a. Manufacturer of products of this section meets
specified qualifications.
b. Installer of products of this section meets
specified qualifications.
2. Manufacturer's instructions: Printed installation
instructions for each specified product.
G. Closeout Submittals: Warranty documents issued and
executed by manufacturer of products of this section,
countersigned by Contractor.
1.6 QUALITY ASSURANCE
A. Installer Qualifications: Minimum five (5) years
documented experience installing products specified in
this section.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Packing, Shipping, Handling and Unloading:
1. Bundle panels in waterproof wrapping paper.
2. Package trim and accessories in waterproof wrapping
paper.
B. Storage and Protection:
1. Store products of this section in manufacturer's
unopened packaging until installation of products.
2. Maintain dry, heated storage area for products of
this section until installation of products.
1.8 PROJECT/SITE CONDITIONS
A. Field Measurements: Where conditions permit, obtain
field measurements before cutting panels to size.
1.9 WARRANTY
A. Manufacturer's Warranty: Panel manufacturer's standard
warranty against defects in product workmanship and
materials, including deterioration of panel finish.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: McElroy Metal, Inc.; P.O. Box
1148, Shreveport LA 71163; ASD. Tel. (800) 950-6531, Fax.
(318) 747-8059.
NOTE ** Delete one of the two paragraphs below; coordinate
with
NOTE ** Division 1 requirements.
B. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
C. Substitutions: Not permitted.
2.2 MANUFACTURED UNITS
NOTE ** Delete panel types not required. If more than one
panel type is required, give each a unique name or
Type Number. Coordinate panel types with drawings
and Schedule at the end of the section, if used.
A. Panels:
1. Acceptable Product: Multi-Rib Panel.
NOTE ** Insert one of the following in the blank in the
paragraph below:
NOTE **
NOTE ** Normal-run: Ribs protrude from panel plane, viewed
from exterior.
NOTE **
NOTE ** Reverse-run: Ribs recede from panel plane, viewed
from exterior.
2. Profile: Major longitudinal ribs 1-3/16 inches (30
mm) deep, spaced 12 inches (305 mm) on center; minor
longitudinal ribs centered between major ribs, spaced
3 inches (76 mm) on center; panel _________-run.
3. Size: 36 inches (915 mm) cover width, lengths
indicated on drawings.
NOTE ** Delete following paragraph if not required.
4. Purlin Bearing: Form panel with purlin bearing leg.
NOTE ** Delete one of following two paragraphs. Insert
material thickness information according to the
following:
NOTE **
NOTE ** Galvalume is inventoried in 26 gage (0.45 mm), 24
gage (0.61 mm), and 22 gage (0.76 mm).
NOTE ** Galvalume with purlin leg is inventoried in 29 gage
(0.34 mm) and 26 gage (0.45 mm).
NOTE ** Aluminum is inventoried in 0.024 inch (0.64 mm) and
0.032 inch (0.81 mm).
5. Material: Galvalume steel sheet conforming to ASTM A
792, AZ55 coating; __ gage (___ mm) sheet thickness.
6. Material: Aluminum sheet conforming to ASTM B 209;
____ inch sheet thickness.
NOTE ** Delete all but one of following six paragraphs.
NOTE **
NOTE ** White polyester coating is available for galvalume
and aluminum.
NOTE ** Bare finish refers to unpainted galvalume.
NOTE ** Mill finish refers to unpainted aluminum.
NOTE ** Stucco embossed texture is inventoried for aluminum
only.
NOTE ** Siliconized polyester coating is inventoried for 26
gage galvalume only.
7. Finish: Manufacturer's standard white polyester
coating.
8. Finish: Bare.
9. Finish: Mill.
10. Finish: Stucco embossed texture.
11. Finish: Siliconized polyester color coat applied to
sight-exposed face of sheet after pretreatment and
priming in accordance with coating manufacturer's
recommendations.
12. Finish: Polyvinylidene fluoride color coat, minimum
70 percent polyvinylidene fluoride resin content,
applied to sight-exposed face of sheet after
pretreatment and priming in accordance with coating
manufacturer's recommendations.
NOTE ** If a colored coating is specified above, determine
method of color selection and delete all but one of
following three paragraphs. Coordinate selection
method with requirements for Samples in SUBMITTALS
Article of Part 1. If more than one color is
required, retain third paragraph below and
coordinate with Schedule at the end of the section.
13. Color: Selected from full range of manufacturer's
standard colors.
14. Color: _________________.
15. Color: Specified in Schedule at end of section.
B. Panels:
1. Acceptable Product: Mega-Rib Panel.
2. Profile: Longitudinal ribs 1-1/2 inches (38 mm)
deep, spaced 7.2 inches (183 mm) on center.
NOTE ** Delete one of following two paragraphs.
3. Size: 28-3/4 inches (730 mm) cover width, lengths
indicated on drawings.
4. Size: 36 inches (915 mm) cover width, lengths
indicated on drawings.
NOTE ** Delete one of following two paragraphs. Insert
material thickness information according to the
following:
NOTE **
NOTE ** Mega-Rib galvalume is inventoried in 29 gage (0.34
mm), 26 gage (0.45 mm), 24 gage (0.61 mm), and 22
gage (0.76 mm).
NOTE ** Mega-Rib galvanized is inventoried in 22 gage (0.76
mm), 20 gage (0.91 mm), and 18 gage (1.22 mm).
NOTE ** Mega-Rib 28-3/4 is inventoried in 26 gage (0.45 mm)
and 24 gage (0.61 mm) galvalume only.
5. Material: Galvalume steel sheet conforming to ASTM A
792, AZ55 coating; __ gage sheet thickness.
6. Material: Galvanized steel sheet conforming to ASTM
A 653, G90 coating; __ gage sheet thickness.
NOTE ** Delete all but one of following four paragraphs.
NOTE **
NOTE ** White polyester coating is inventoried for Mega-Rib
28-3/4 in galvalume only.
NOTE ** Bare finish is inventoried for Mega-Rib 28-2/4 in
galvalume only.
NOTE ** Siliconized polyester coating is inventoried for
Mega-Rib 28-3/4 in galvalume only.
7. Finish: Manufacturer's standard white polyester
coating.
8. Finish: Bare.
9. Finish: Siliconized polyester color coat applied to
sight-exposed face of sheet after pretreatment and
priming in accordance with coating manufacturer's
recommendations.
10. Finish: Polyvinylidene fluoride color coat, minimum
70 percent polyvinylidene fluoride resin content,
applied to sight-exposed face of sheet after
pretreatment and priming in accordance with coating
manufacturer's recommendations.
NOTE ** If a colored finish is specified above, determine
method of color selection and delete all but one of
following three paragraphs. Coordinate selection
method with requirements for Samples in SUBMITTALS
Article of Part 1. If more than one color
required, retain third paragraph below and
coordinate with Schedule at the end of the section.
11. Color: Selected from full range of manufacturer's
standard colors.
12. Color: _________________.
13. Color: Specified in Schedule at end of section.
C. Panels:
NOTE ** NOTE: MasterLok-90 Panels require a minimum slope
of 1/4:12.
1. Acceptable Product: MasterLok-90 Panel.
2. Profile: Major rib with seam fold 3 inches (76 mm)
deep at longitudinal panel edges; two minor
longitudinal ribs spaced 8-1/2 inches (216 mm) from
panel edges.
3. Size: 24 inches (610 mm) cover width, lengths
indicated on drawings.
NOTE ** Insert material thickness: Galvalume is
inventoried in 26 gage (0.45 mm), 24 gage (0.61
mm), and 22 gage (0.76 mm).
4. Material: Galvalume steel sheet conforming to ASTM A
792, AZ55 coating; __ gage sheet thickness.
NOTE ** Delete one of following two paragraphs.
5. Finish: Bare.
6. Finish: Polyvinylidene fluoride color coat, minimum
70 percent polyvinylidene fluoride resin content,
applied to sight-exposed face of sheet after
pretreatment and priming in accordance with coating
manufacturer's recommendations.
NOTE ** Determine method of color selection and delete all
but one of following three paragraphs. Coordinate
selection method with requirements for Samples in
SUBMITTALS Article of Part 1. If more than one
color required, retain third paragraph below and
coordinate with Schedule at the end of the section.
a. Color: Selected from full range of
manufacturer's standard colors.
b. Color: _________________.
c. Color: Specified in Schedule at end of section.
D. Panels:
NOTE ** NOTE: Medallion I Panels require a minimum slope
of 3:12.
1. Acceptable Product: Medallion I Panel.
NOTE ** Delete one of following two paragraphs; minor
longitudinal rib at panel center is option.
2. Profile: Standing seam pan with seam legs at
longitudinal panel edges.
3. Profile: Standing seam pan with seam legs at
longitudinal panel edges; minor longitudinal rib at
panel center.
4. Size: 12 inches (305 mm) cover width, lengths
indicated on drawings.
5. Material: Galvalume steel sheet conforming to ASTM A
792, AZ55 coating; 24 gage (0.61 mm) sheet thickness.
6. Finish: Polyvinylidene fluoride color coat, minimum
70 percent polyvinylidene fluoride resin content,
applied to sight-exposed face of sheet after
pretreatment and priming in accordance with coating
manufacturer's recommendations.
NOTE ** Determine method of color selection and delete all
but one of following three paragraphs. Coordinate
selection method with requirements for Samples in
SUBMITTALS Article of Part 1. If more than one
color required, retain third paragraph below and
coordinate with Schedule at the end of the section.
a. Color: Selected from full range of
manufacturer's standard colors.
b. Color: _________________.
c. Color: Specified in Schedule at end of section.
7. Battens: Manufacturer's standard sheet metal batten
cap matching panel material and gage, break-formed to
1 inch deep profile for snap-on fit to standing seams
at panel intersections.
a. Color: Match panel finish.
b. Color: Selected from full range of
manufacturer's standard colors.
c. Color: _________________.
d. Color: Specified in Schedule at end of section.
E. Panels:
NOTE ** NOTE: Medallion II Panels require a minimum slope
of 3:12.
1. Acceptable Product: Medallion II Panel.
NOTE ** Delete one of following two paragraphs; minor
longitudinal rib at panel center is optional.
2. Profile: Standing seam pan with seam legs at
longitudinal panel edges.
3. Profile: Standing seam pan with seam legs at
longitudinal panel edges; minor longitudinal rib at
panel center.
4. Size: 13 inches (330 mm) cover width, lengths
indicated on drawings.
5. Material: Galvalume steel sheet conforming to ASTM A
792, AZ55 coating; 24 gage (0.61 mm) sheet thickness.
6. Finish: Polyvinylidene fluoride color coat, minimum
70 percent polyvinylidene fluoride resin content,
applied to sight-exposed face of sheet after
pretreatment and priming in accordance with coating
manufacturer's recommendations.
NOTE ** Determine method of color selection and delete all
but one of following three paragraphs. Coordinate
selection method with requirements for Samples in
SUBMITTALS Article of Part 1. If more than one
color required, retain third paragraph below and
coordinate with Schedule at the end of the section.
a. Color: Selected from full range of
manufacturer's standard colors.
b. Color: _________________.
c. Color: Specified in Schedule at end of section.
7. Battens: Manufacturer's standard sheet metal batten
cap matching panel material and gage, break-formed to
1-1/2 inches (38 mm) wide by 1-1/2 inches (38 mm)
deep channel profile for snap-on fit to standing
seams at panel intersections.
a. Color: Match panel finish.
b. Color: Selected from full range of
manufacturer's standard colors.
c. Color: _________________.
d. Color: Specified in SCHEDULES Article of this
section.
F. Panels:
NOTE ** NOTE: Medallion-Lok Panels require a minimum slope
of 3:12.
1. Acceptable Product: Medallion-Lok Panel.
2. Profile: Standing seam pan with male seam fold 1-5/8
inches (41 mm) deep and female seam fold 1-3/4 inches
(44 mm) deep at longitudinal panel edges.
NOTE ** 16 inch panel width is inventoried; other widths
are options.
3. Size: 16 inches (406 mm) cover width, lengths
indicated on drawings.
4. Material: Galvalume steel sheet conforming to ASTM A
792, AZ55 coating; 24 gage (0.61 mm) sheet thickness.
5. Finish: Polyvinylidene fluoride color coat, minimum
70 percent polyvinylidene fluoride resin content,
applied to sight-exposed face of sheet after
pretreatment and priming in accordance with coating
manufacturer's recommendations.
NOTE ** Determine method of color selection and delete all
but one of following three paragraphs. Coordinate
selection method with requirements for Samples in
SUBMITTALS Article of Part 1. If more than one
color required, retain third paragraph below and
coordinate with Schedule at the end of the section.
a. Color: Selected from full range of
manufacturer's standard colors.
b. Color: _________________.
c. Color: Specified in Schedule at end of section.
NOTE ** Delete following paragraph if not required.
6. Factory install continuous butyl sealant bead inside
female seam fold.
G. Trim:
1. Manufacturer's standard sheet metal matching panel
material and finish, break-formed to profiles
indicated on drawings, including, but not limited to:
NOTE ** Delete items not required.
a. Copings.
b. Gravel stops.
c. Gutters and downspouts.
d. Termination and transition strips.
NOTE ** Determine method of color selection and delete all
but one of following four paragraphs. Coordinate
selection method with requirements for Samples in
SUBMITTALS Article of Part 1. If more than one
color required, retain third paragraph below and
coordinate with Schedule at the end of the section.
2. Color: Match panel finish.
3. Color: Selected from full range of manufacturer's
standard colors.
4. Color: _________________.
5. Color: Specified in Schedule at end of section.
H. Clips and Fasteners: Supply items required for
installation of panels in accordance with manufacturer's
installation instructions and other indicated items;
supply galvanized clips and fasteners.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verification of Conditions:
1. Panel support systems are ready for construction
activities of this section and within specified
tolerances.
2. Rough-in utilities are in correct locations.
B. Installer's Examination:
1. Have installer of this section examine conditions
under which construction activities of this section
are to be performed, then submit written notification
if such conditions are unacceptable.
2. Transmit two copies of installer's report to
Architect within 24 hours of receipt.
3. Beginning construction activities of this section
before unacceptable conditions have been corrected is
prohibited.
4. Beginning construction activities of this section
indicates installer's acceptance of conditions.
3.2 INSTALLATION
A. Install panels plumb, true, and in correct alignment with
structural framing, in accordance with shop drawings and
manufacturer's printed installation instructions.
B. Install panels in horizontal installations using
manufacturer's concealed fastening system only; sight-
exposed fasteners are prohibited.
C. Install panels in vertical installations using
manufacturer's concealed fastening system or non-
corroding fasteners color-matched to panel.
D. Install trim using concealed fasteners where possible;
sight-exposed non-corroding fasteners color-matched to
trim are permitted on vertical surfaces only.
E. Installation Tolerances:
NOTE ** Panel installation tolerances are dependent on
tolerances of panel support system construction;
coordinate with other sections.
1. Variation from Plumb: Maximum 1/8 inch (3 mm).
2. Variation from Level: Maximum 1/8 inch (3 mm).
3. Variation from True Plane: Maximum 1/8 inch (3 mm).
4. Variation from True Position: Maximum 1/4 inch (6
mm).
5. Variation of Member from Plane: Maximum 1/8 inch (3
mm).
3.3 CLEANING
A. Remove strippable coating and perform dry wipe-down
cleaning of panels as erected.
3.4 PROTECTION OF INSTALLED PRODUCTS
A. Protect installed products from damage by subsequent
construction activities.
B. Replace products having damage other than minor finish
damage.
C. Repair products having minor damage to finish in
accordance with panel manufacturer's recommendations.
D. Architect shall be sole judge of acceptability of repair
to damaged finishes; replace products having rejected
repairs.
3.5 SCHEDULE
A. Location:
1. Panel: Type ____; ________ color.
2. Trim: ________ color.
END OF SECTION