Description
Mortise and tenon joinery is the best way to join sash. The question is, how best to secure the mortise and tenons themselves? Adhesives can be used but the sash may need to be clamped up until the glue cures. For early sash, makers used wooden pegs.
Another method is to use sash pins. Closely resembling headless nails, the sash are predrilled and the pins are driven with a few light hammer taps and nail-set. A typical 6 light sash can be pinned and removed from the clamp in about 5 minutes. The 1/8″ holes are easily filled with wood filler or glazing putty as the sash are sanded. This approach is particularly appealing to restorers as it allows the sash to be disassembled for repair in the future.
The nails are packaged in 5 pound boxes and are available in 7/8″, 1″, 1-1/8″ and 1-1/4″ lengths. Pro Tip: The 7/8″ pins are suggested for storms and screens, which are commonly 1-1/8″ thick.
Estimated quantities/5 pound box:
Galvanized steel 7/8″ = ~1,360 pcs. 1″= ~1,210 pcs. and 1-1/4″ = ~935 pcs.
Stainless Steel 7/8″ = ~1,280 pcs. 1″= ~1,200 pcs. and 1-1/8″ = ~895 pcs.
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