Fastening Methods
Although structural installations may involve fastening with wood brick mould casing, there are three ways to fasten your jambs to the opening for structural purposes. #8 Wood screws (or 3/16″ concrete anchors), installation brackets, or structural masonry clips. Refer to the “Installation Methods and Fastener Spacing Chart” for proper fastening requirements for your particular product. Illustrations show a concrete block opening but apply to typical wood frame construction as well.
Wood BMC
1.Fasten units using wood brick mould casing with 16d casing nails spaced at the range specified in the
“Installation Methods and Fastener Spacing Chart”. See figure 7.
16D casing nails
Figure 7
Masonry Clips/Installation Brackets
1.Depending on construction method or wall type, you may need to modify the structural masonry clip to fit the opening. Once bent around the framing or open- ing, drill two 5/32″ (5) holes in the bracket no more than 1/4″ (6) from the edge of the framing. See figure 8.
Shim
1/4″
5/32″ holes
Screws
Figure 8
2.Similar to masonry clips, you may need to modify your installation brackets for proper fastening.
3.Once your brackets or clips have been wrapped around the framing/buck/opening, fasten with two #8 x 1 5/8″ screws. Angle the screws approximately 15 degrees away from the window. Always shim above or behind installation brackets.
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