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A birds-mouth joint in a rafter, set upon a double top plate. Shown are the two cuts of the joint: the seat cut and the heel cut. In light frame construction, a birdsmouth joint or bird's beak cut is a woodworking joint that is generally used to connect a roof rafter to the top plate of a supporting wall. [1]
A ship's knee has two parts called the arm (shorter) and a body (longer). The outside surfaces come to a corner, (typically 90 degrees in buildings) called the heel. The inside surface retains its natural shape and the curve is called the bosom. The thickness between the heel and bosom is the throat. The ends of the arm and body are the toes.
Common lines made using a speed square include perpendicular cut marks and Angles definition of an angle for roofs, stairways, and decks. The tool uses a 0° reference. This means when a board is squared off the tool reads 0°. The angle derived is actually a complementary angle, for example a 22.5° angle is actually 67.5°. The sum of the ...
The tapered finger splice joint requires a series of matching 'fingers' or interlocking prominences to be cut on the ends of opposing members. The joint is brought together and glued, with the fingers providing substantial glue surface. This joint is commonly used in the production of building materials from smaller offcuts of timber.
A lookout, [1] lookout rafter or roof outlooker [2] is a wooden joist that extends in cantilever out from the exterior wall (or wall plate) of a building, supporting the roof sheathing and providing a nailing surface for the fascia boards. When not exposed it serves to fasten the finish materials of the eaves.
Commercial real estate has beaten the stock market for 25 years — but only the super rich could buy in. Here’s how even ordinary investors can become the landlord of Walmart, Whole Foods or Kroger
Compass rafter: A rafter curved or bowed on the top (the top surface of a rafter is called its "back") or both the top and bottom surfaces. Curb rafter: The upper rafters in a curb (kerb, gambrel, Mansard roof) roof. Hip rafter (angle rafter): The rafter in the corners of a hip roof. The foot of a hip rafter lands on a dragon beam.
A plank used in a building as a horizontal supporting member that runs between foundations, walls, or beams to support a ceiling or floor is called a joist. The plank was the basis of maritime transport : wood (except some dense hardwoods ) floats on water , and abundant forests meant wooden logs could be easily obtained and processed, making ...