Roof Framing Glossary

Roof Framing Glossary All New! A Guide to Square Cutting Rafter Tails. $14.99 All New! A Beginners Guide to Laying Out Hip & Gable Roofs. $14.99
Understanding Conventional Roof Framing Terminology
What is "Crowning"? What is a Rafter Square? What is a Common Rafter? What is a Hip Rafter? What is a Valley Rafter? What is a Jack Rafter? What is an Irregular Hip or Valley Rafter? What is a "rafter tail"? What is meant by the term "over hang"? What is meant by the "Birdsmouth"? What is meant by the term H.A.P.? What is the"common difference"?	What is "Dropping the hip"? What is a "hip bevel"? What is the Ridge? Dealing with ridge thickness? What is the Rafter Plate? What is the rafter plate thickness? What is meant by the term roof span? What is meant by the "Unit Run"? What is meant by the term roof run ? What is meant by the term actual roof run? What is meant by the "Unit Rise"? What is the roof rise? What is the actual roof rise?	What is meant by the "Unit Length"? What is meant by the term "Inch Rise"? What is the proposed roof slope? What is the proposed roof pitch? Setting the Ridge height? What is the Ridge Adjusted Height? What is meant by the "Plywood Cut?"
Calculating Roofing Members. The Premise
Calculating Ridge Length Calculating the H.A.P. Calculating the Roof Rise Calculating the Actual Roof Rise. Calculating the Actual Roof Run. Calculating the Inch Rise Calculating the Ridge Adjusted Height Calculating the Common Rafter length (crl). Common Ridge Plumb Cut. Calculating the rafter tail overhang	Common Rafter Length Adjustment Marking off the Common Length Marking the Birdsmouth cut. Marking off the Common Rafter Tail Calculating the Hip/Valley Rafter length (hrl) (vrl). Calculating the Hip Drop for Regular Hips. Calculating Bevel cuts for Regular Hips. Calculating Jack Rafters and the common Difference Calculating the plywood cut Fixed Ridge Height Calculations	Understanding Bastard Hips and Valleys. Calculating angles cuts for Irregular Hips & Valleys. Calculating Bevel cuts for Irregular Hips & Valleys. Using a Construction Master or Scientific calculator to help figure your roof.
Alternatives and other Methods.
	Block & String Method

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