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Each set consists of a metal wedge (the plug), and two metal shims (the feathers). The feathers are wide at the bottom, and tapered and curved at the top. When the two feathers are placed on either side of the plug, the combined width of the set is the same at both ends.
Tools include dividers, axes, chisel and mallet, beam cart, pit saw, trestles, and bisaigue. The men talking may be holding a story pole and rule (or walking cane). Shear legs are hoisting a timber. Below, the sticks on the log are winding sticks used to align the ends of a timber. Tools used in traditional timber framing date back thousands of ...
The tops of the posts are joined to a beam and the spaces between are filled in with natural materials called bousillage or pierrotage. Poteaux-sur-sol (posts on a sill) is a general term for any kind of framing on a sill. However, sometimes it specifically refers to "vertical log construction" like poteaux-en-terre placed on sills with the ...
A wedge will bind when the wedge included angle is less than the arctangent of the coefficient of friction between the wedge and the material. Therefore, in an elastic material such as wood, friction may bind a narrow wedge more easily than a wide one. This is why the head of a splitting maul has a much wider angle than that of an axe.
Powder-actuated tools come in high-velocity and low-velocity types. In high-velocity tools, the propellant charge acts directly on the fastener in a process similar to a firearm. Low-velocity tools introduce a piston into the chamber. The propellant acts on the piston, which then drives the fastener into the substrate.
Highly decorative wood-shingle siding on a house in Clatskanie, Oregon, U.S. Siding or wall cladding is the protective material attached to the exterior side of a wall of a house or other building. Along with the roof, it forms the first line of defense against the elements, most importantly sun, rain/snow, heat and cold, thus creating a stable ...
When used to install casing around windows or doors, they allow the wood to be pried off later with minimal damage when repairs are needed, and without the need to dent the face of the casing in order to grab and extract the nail. Once the casing has been removed, the nails can be extracted from the inner frame with any of the usual nail pullers
These bolts were quartered or split into wedges. A mallet and froe (or axe) were used to split or rive out thin pieces of wood. The wood species varied according to available local woods, but only the more durable heartwood, or inner section, of the log, was usually used. The softer sapwood generally was not used because it deteriorated quickly.