Metal Sales Magna-Loc 180 - Manual (Page 8)

1. Metal Roof Deck Panels* No. 24 MSG min coated steel. Max panel width 18 in.; min 12 in. Rib height 2 in. Panels
continuous over three or more clips (Item 2). The panel flat area may have optional striated or minor ribs placed at various
locations in the panel flat area beginning min of 2 in. from side ribs. The upper flange of the panel rib may be horizontal, or
optionally formed down to produce an angle of 0 to 90° between the vertical segment and the top flange of the rib. Panel end
lap 2 in. min. An end lap back-up plate (Item 2A) to be used at panel end lap. A bead of sealant may be used at panel end lap
and side ribs. Ribs to be seamed with an electric or hand seaming tool to form a flange with a tight hem. Seaming process to
include the upper portion of the panel clips (Item 2) .
METAL SALES MANUFACTURING CORPORATION - “Magna-Loc 16”, “Magna-Loc 18”
2. Roof Deck Fasteners* - (Panel Clips) Located at side of panels (Item 1) over substructure (Item 3, 3A, 3B or 3C) and
fastened through substructure to liner panel (Item 8) with max spacing of 48 in. OC or over sub-purlins (Item 7) with max spac-
ing of 48 in. OC; or when panel clips are fastened directly to plywood (Item 3B) as described in Item 6B, max spacing to be
36 in. OC.
Fixed Clip (Not Shown) - One piece assembly fabricated from No. 22 MSG min thick steel, 3-1/2 in. wide.
Floating Clip Two piece assembly with a base fabricated from No. 16 MSG min thick steel, 2 in. wide and a tab fabricated
from No. 22 MSG min thick steel, 4-1/4 in. wide.
2A.End Lap Back-Up Plate (Not Shown) - No. 16 MSG min thick coated steel channel, 3 in. wide with two 3/8 in. deep legs.
Max length 74 in. Located under the panel (Item 1) end lap (50 ksi min yeild strength).
2B.End Lap Back-Up-Plate (Optional) (Not Shown) - No. 16 MSG min thick coated steel. Width 11, 13 or 19 in., length 7 in.
Two 3/4 in. by 3/4 in. tabs and a 1 in. deep vertical leg located at upslope edge of panel (50 ksi min yield strength).
2C. Roof Deck Fasteners*(Cinch Plate)-(Optional)-(Not Shown) width 1-15/16 in., length 18 in. max. Fabricated from No. 20
MSG min thick stainless steel. Located over end lap.
3. Substructure - (Gypsum Board) (Optional) - Min thick 1/2 in. To be placed on top of either the liner panel (Item 8) or rigid
insulation (Item 5). Combined thickness of the gypsum board and rigid insulation not to exceed 4 in. All joints to be taped
with 2.5 in. wide joint tape.
3A. Substructure - (Plywood) (Optional) - (Not Shown) - Plywood decking, used in lieu of gypsum board (Item 3), to be nom
1/2 in. thick, exposure 1 sheathing, 40/20, CD. Located over rigid insulation (Item 5). Combined thickness of the plywood and
rigid insulation not to exceed 4 in.
3B. Substructure - (OSB) (Optional) - (Not Shown) - OSB decking, used in lieu of gypsum board (Item 3), to be nom 1/2 in.
thick. Located over rigid insulation (Item 5). Combined thickness of the OSB and rigid insulation not to exceed 4 in.
3C. Substructure - (Bearing Plate) (Optional) - Bearing plate to be used in lieu of gypsum board (Item 3) to be 4 by 4 in. by
No. 18 MSG min thick coated steel (33 ksi min yield strength). Used under each clip (Item 2) over rigid insulation (Item 5)
only when rigid insulation is located directly under panel (Item 1).
Construction No. 506A
October 16, 2001
Uplift - Class 90
Fire Not Investigated
PML-8
MAGNA-LOC
© Metal Sales Manufacturing Corporation/ Subject to change without notice/ Effective Date 9/11
800.406.7387 (Corporate Office) • www.metalsales.us.com
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