Copyright Goodheart-Willcox Co., Inc. 205 balloon framing m in i g bird’s mouth blocking bridging collar beam common rafters cripple jacks cripple studs fire stop fi header hip jacks hip hi p rafters joist s t knee walls w ledger loadbearing in partitions on center (O.C.) (O post-and-beam a m framing platform framini ng purlin rafter ribbon ridge board rise riser r rough o u sill run n sill plate la slope sole plate span stringer top plate tread valley jacks valley rafters winders After completing this unit, t you y will be able to: • List the differences between et heavy framing and light framing. am m • Recognize the construction t io of various floor, wall, and roof f framing f f r systems. • Read framing drawings. • Explain the differences between ee platform, balloon, and post-and-beam nd d -b framing. • • Understand stair details and terms. rm • Recognize R metal framing systems. UNIT 12 Residential Framing Prints