Wind Brace - similar to a knee brace although typically placed in the roof frame to resist racking and movement due to wind pressure on the building. Tie Beam - a horizontal timber that spans the width of a structure and ties the two opposing walls together Trunnel - aka, tree nail, the peg that secures the tenon into a mortise. Tenon - the protrusion on the timber, made for insertion into the mortise. Strut - roof member that sits on the tie beam and gives additional support to the principle rafter, canted purlin, principle purlin or other roof bearing member. Scissor Truss - allows various clear spans through diagonal bracing crossing the rafter members, attaching to the top of the rafters. Sill - the structural member that sits on the foundation and supports the floor framing. Queen Post Truss - the combination of posts, tie beam, rafters and other members that provides a clear span area such as a drive through area of a barn. A local family business, Centennial Timber Frames started in a garage and has been in creating timber frames since 1988, with a crew of craftsmen dedicated to the art of mortise and tenon joinery. Queen Post - a vertical post, placed off-center to support the roof structure. Find top design and renovation professionals on Houzz. Timber framing was a building practice used throughout the world until toughly 1900 when the demand for cheap, fast housing brought dimensional. The roof sheathing is commonly attached to the purlins. What is timber framing Timber framing is a distinctive style of building construction in which heavy timbers frame the structure instead of more slender dimensional lumber (for example, 2 x 6-in.). Purlin - also called a sub-rafter, a lesser member connected to and supported by the principle rafters. Principle Rafter - the primary roof structure that forms the roof pitch and supports the lesser structural roof members, such as purlins. Post - vertical timber that forms a wall or an interior structural member. Planed Timber - each side is smooth and even. A trunnel is then used to secure the joint. Mortise - the recessed cut in the timber that receives the tenon to connect the joints. Loft Joist - structural members that support loft flooring and are commonly joined to the frame at the loft level. Knee Brace - typically set into the frame at an angle to the posts and plates to strengthen it and hold it from racking. The other members of the truss are joined into the King Post. The timber member that connects at the peak of the building is the King Post. King Post Truss - often used when a clear span is desired. King Post - a vertical post that supports the center of a roof. Housed Joints - timbers held in place by mortise and tenon and secured in a housing to prevent rotation. Hand Hewn - cut using a combination of a broad axe and adze. Hammer Beam Truss - a more ornate truss that can have either curved or straight timber members. Bent - the combination of posts, tie beam, rafters and other members that establishes the shape of the building.īay - the area between the bents, spaced as needed or engineered.
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