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=== chair rail ===Or chair board, wooden molding on a wall around a room at the level of a chair back. Chair railing trim moulding / molding. 3' is the standard height.Molding used to cover any interior angle. Molding used to cover any interior angle.=== jamb ===Side piece or post of an opening sometimes applied to the door frame.Parallel framing members installed horizontally to carry floor and ceiling loadsParallel framing members installed horizontally to carry floor and ceiling loads. Timbers supporting the floorboards. == K ===== knee brace ===Corner brace fastened at an angle from the wall stud to the rafter stiffening a wood or steel frame to prevent angular movement. == L ===== lap joint ===Joint between two pieces of wood lapping over each other.=== lip molding ===Molding with a lip which overlaps the piece against which the backing of the molding rests.=== rise ===Vertical distance through which anything rises as the rise of a roof or stair.=== riser ===Vertical board between two treads of a flight of stairs.2x4 or 2x6 vertical framing member used to assemble walls.2x4 or 2x6 vertical framing member used to assemble walls. Wall studs normally are spaced at either 16 inches or 24 inches on center. == T ===== timber ===Lumber with a cross section more than 4 by 6 inches such as posts sills and girders.=== truss ===Structural framework of triangular units used in place of rafters for supporting loads over long spans. [[Category:Construction]]