What is Domino Joinery in Woodworking?

Q: What is domino joinery in woodworking?

A: Similar in application to biscuit joinery, Festool’s Domino Joiner tool cuts mortises into the edges of wood boards or panels so they can be joined along those edges using tenons to bridge the pieces. Whereas biscuit joinery uses oval hardwood biscuits as the tenons, the newer Festool system utilizes angular domino-shaped tenons, which have a large gluing surface area for extra strength and they’re 100-percent rotation-proof and far stronger than either biscuits or dowels.

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No matter what material is used for the surface of a deck, the substructure is likely to be built with wood. Over time, water leaking through deck boards can cause hidden damage unless the wooden joinery of the foundation is properly protected. In fact, builders have reported that wood left exposed to the elements can […]

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