normally recommended.
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MBMA MBSM except as specified otherwise herein. Design roof and wall
panels, accessories, and flashings to be completely weathertight and free
of abrasions, loose fasteners, and deformations. Each piece or part of the
assembly shall be clearly and legibly marked to correspond with the
drawings.
2.1.1
Minimum Thickness
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NOTE: Choose one of the bracketed groups in the
table below. Choose the second bracketed option,
beginning "Girders and Columns...," for projects in
seismic zones 3 and 4.
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As required to conform to design requirements but not less than the
following:
Items
Minimum Thickness (Uncoated)
[Steel Structural Members
18 Manufacturer's Standard (MFG STD)
Other Than Roof and
gage, 1.2 mm
Wall Panels
Roof and Wall Panels
Steel
26 MFG STD gage, 0.5 mm
Aluminum
0.8 mm
Plastic
1.1 mm
Gable and Eave Trim, Fascia Closure Strips, Rake Flashings, Copings, and
Liner Panels
Steel
26 MFG STD gage, 0.5 mm
Aluminum
0.8 mm
Plastic
1.1 mm
Interior Gutters
Steel
24 MFG STD gage, 0.6 mm
Aluminum
1 mm
Eave Gutters and Downspouts
Steel
26 MFG STD gage, 0.5 mm
Aluminum
0.8 mm
Roof Ventilators
Steel
26 MFG STD gage, 0.5 mm
Aluminum
0.8 mm
Louvers
Steel
18 MFG STD gage, 1.2 mm
Aluminum
1.6 mm]
[Girders and Columns
5 mm
Purlins and Girts
14 Manufacturer's Standard gage
(MFG STD)
SECTION 13120
Page 22
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