WOOD FLOOR FRAMING SYSTEM AND FLOOR FINISHES 2.9.1 WOOD FLOOR FRAMING The wood floor framing system consists of the common floor joists, cross bridging, solid bridging, and other members which provide support for the flooring, as follows: Floor Joist – One of a series of parallel beams of timber, reinforced concrete, or steel used to support floor and ceiling loads, and supported in turn by larger beams, girders or bearing walls; the widest dimension is vertically oriented. Common Joist, Bridging Joist – A joist on which floor boards are laid; neither supports a joist nor is it supported by another joist. Binding Joist, binder – A beam which supports the common joists of a wood floor above and the ceiling joists below; commonly joins two vertical posts. Girder – A large or principal beam of steel, reinforced concrete, or timber; used to support concentrated loads at isolated points along its length. Bridging – A brace, or a system of braces, placed between joists to stiffen them, to hold them in place, and to help distribute the load. Cross Bridging, Diagonal Bridging, Herringbone Strutting – Diagonal bracing, in pairs, between adjacent floor joists to prevent the joists from twisting. Block Bridging, Solid Bridging, Solid Strutting – Short members (boards) which are fixed vertically between floor joists to stiffen the joists. Bridging Floor – A floor supported by common joists, without girders. Principal Joist – a large joist that carries much of the floor load. Sleeper Joist – any joist resting directly on sleepers Ledger, Ribbon or Ribband – a horizontal member which is housed in the studs of balloon framing and carries joists. Ledger Strip, Ribbon Strip – On a beam which carries joists flush with the upper edge of the beam (or girder), a strip of lumber which is nailed to the side of the beam (along its bottom edge), forming a seat for the joists and helping to support them. Sill – a horizontal timber, at the bottom of the frame of a wood structure, which rests on the foundation. 2.0 Wood Frame & Light RC Construction Types of Wood Framing Systems Joints & Splicing Timber Connectors Masonry Walls CHB Wall Construction On Grade Construction Concrete Piers on Isolated Footing Posts Wood Floor Framing System & Floor Finishes Wall Framing System & Wall Finishes Ceiling Framing System & Ceiling Finishes Wood Roof Framing System & Roofing Wood Stairs Doors & Accessories Windows & Accessories Skylights 2.9 Sleepers -1. One of a number of horizontal timbers that are laid on a concrete slab (or on the ground) and to which the flooring is nailed. 2. Any long horizontal beam, at or near the ground, which distributes the load from posts or framing.
23 2.0 Wood Frame & Light RC Construction Types of Wood Framing Systems Joints & Splicing Timber Connectors Masonry Walls CHB Wall Construction On Grade Construction Concrete Piers on Isolated Footing Posts Wood Floor Framing System & Floor Finishes Wall Framing System & Wall Finishes Ceiling Framing System & Ceiling Finishes Wood Roof Framing System & Roofing Wood Stairs
- Fall '19
- wood framing