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Specifications
1.allow for plywood expansion and contraction2.Serrated edges increase gripping action
3.Lightweight, rustproof ,easy to work
Aluminum Plywood Clips
For roofing applications and panelized constructions
· Spacer bars allow for plywood expansion and contraction
·
· Serrated edges increase gripping action
·
· Lightweight, rustproof aluminum easy to work with
A panel edge clip (often called an H-clip) is typi-
cally a small piece of galvanized metal that is pla-
ced between adjacent wood structural sheathing
panels at a location between supporting joists o-
r trussesand/or rafters to provide support to pane-
l edges.
H-clip should be installed as follows:
• One Hclip shall be placed between abutting panels at a location midway between each pair of
trusses, rafters, or joists. However, two (2) H-clips are required between supports when
spaced 48 inches on center.
• Use the same size panel edge clip as the panel thickness. H-clips must fit snugly.
• Abutting wood structural panels shall be fitted as closely as clips permit. Occasional misfit of
abutting sheets may be tolerated providing that gaps do not exceed maximum opening of 1/4"
(6mm).
Mis-spaced, embedded and/or damaged H-clips may reduce their effectiveness to transfer and resist
load. Panel bowing and/or buckling is often observed at locations where clips are damaged and/or
where they are placed more than half-way between the trusses or rafters (see Figure 2).
Figure 1.
Left: Galvanized steel H-clip.
Top right:H-clip installed between adjacent roof sheathing panels and in between supporting trusses.
Bottom right: Preloaded nylon (plastic) H-clip and ready for next row of plywood sheathing panels.
Table 1.
Allowable uniform roof live loads for SHEATHING SPAN® panels (strength axis perpendicular to supports)1
SI units: 1 inch = 25.4 mm; 1 psf = 47.9 Pa
1. Panels shall be a minimum of 24 inches wide.
2. The allowable spans were determined using a dead load of 10 psf. If the dead load exceeds 10 psf then the live load shall be reduced
accordingly.
3. Tongue-and-groove edges, panel edge clips (one between each support, except two between supports 48 inches on center), lumber blocking or other. Only lumber blocking will satisfy blocked diaphragm requirements of IBC 2003 and 2006 Tables 2306.3.1 and 2306.3.2.
Figure 2.
Top: Buckling of plywood roof sheathing due to misplaced panel H-clip.
Bottom: Buckling and/or bowing of the overlaid OSB roof sheathing due to misplaced and missing panel H-clip.
Packaging: 100pcs/bags,Carton & Pallet
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