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Term Definition
Rafter, Common. see Common Rafter.  
Rafter, Cripple. see Cripple Rafter.  
Rafter, Hip. see Hip Rafter.  
Rafter, Jack. see Jack Rafter.  
Rafter, Valley. see Valley Rafter.  
Rafter. A framing member that runs up and down the slope of a pitched roof; the parallel beams that slope from the ridge of a roof to the eaves and make up the main body of the roof framework.  
Raggle Block. A concrete masonry unit with an integral flashing reglet.  
Raggle. A groove cut in masonry; any groove provided to receive roofing or flashing.  
Rail Standard, Steel. see Steel Rail Standard.  
Rail Transit Boarding Platform. A horizontal, generally level surface, whether raised above, recessed below, or level with a transit rail, from which persons embark/disembark a fixed rail vehicle.  
Rail, Chair. see Chair Rail.  
Rail. (1) A horizontal bar or timber extending from one post or support to another, such as a guard or barrier in a fence or staircase. (2) The horizontal members of the framework of a sash, door, blind, or any paneled assembly. 3. A horizontal support member to support a curtain.  
Railing Expansion Joint. Control joint in metal railing to allow differential movement of railing components from thermal expansion and contraction.  
Railing Fitting. Elbows, crosses, tees, caps, flanges made of metal, slip type, threaded, or flush welded to railing components to facilitate transitions and terminations.  
Railing Flange. Flanges made of metal, slip type, threaded, or flush welded to railing components to facilitate attachment to mounting surfaces.  
Railing, Metal. see Metal Railing.  
Railing, Pipe. see Pipe Railing.  
Railing, Structural Tubing. see Structural Tubing Railing.  
Railing. 1. An open fence or guard for safety, made of rails and posts. 2. A banding in cabinetwork. 3. On plywood, the solid wood band around one or more edges.  
Railroad Crossing. An grade level intersection at which railroad tracks meet vehicular, pedestrian or other kinds of traffic.  
Railroad Tie. A timber support for railroad tracks.  
Railroad Work. Construction or repair performed on railroad tracks.  
Rain Spots. Defects on paint film caused by rain.  
Raintight Enclosure. A building, a component of a building, or a structure that is impervious to the outside elements such as rain or snow.  
Raintight Time Clock. A weatherproof time recording clock that has been manufactured to withstand the outside elements, such as rain or snow.  
Raintight. so constructed or protected that exposure to a beating rain will not result in the entrance of water.  
Raised Grain. A roughened condition of the surface of dressed lumber in which the hard latewood is raised above the softer earlywood but not torn loose from it.  
Rake Molding. The cornice on the gable edge of a pitch roof, the members of which are made to fit those of the molding of the horizontal eaves.  
Rake. 1. A hand implement with spaced teeth for gathering or loosening material like grass, gravel, or earth. 2.The sloping edge of a pitched roof. 3. The trim of a building extending in an oblique line, as rake dado or molding. 4. The end of a wall that slopes or racks back.  
Raked Joint. In brick masonry, a type of joint which has the mortar raked out to a specified depth while the mortar is still green.  

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