Chapter 12 Roof Framing Version D

6. Horizontal roof members used to support rafters between the plate and ridge board.
8. A rafter connected to both the ridge and the wall plate.
9. The distance a rafter extends upward above the wall plate.
11. One of a series of structural members of a roof designed to support roof loads.
12. The horizontal distance of rafters from the outer edge of the wall plate to the center of the ridge.
13. A wood member nailed to the ends of the rafters and lookouts and used for the outer face of a box cornice.
15. The ratio of the rise to the span.
16. A gable overhang.
17. The total of all moving and variable loads that may be placed on a building.
18. A plywood or steel plate fastened to the outside of a joint to give the joint strength.

1. A rafter that runs from the wall plate to the ridge, always at a 45° angle.
2. A framed structure extending from and fastened to a roof slope and having a roof of its own. It provides a wall surface for installing a window.
3. A rafter that forms the intersection of an internal roof angle.
4. The side of a right triangle opposite of the right angle. In roof framing, the length of the rafter is the hypotenuse.
5. Structural member that supports the soffit and runs between the lower end of a rafter and the outside wall.
7. A tie beam connecting rafters. It is located considerably above the wall plate. Also called rafter tie.
10. Boards or prefabricated panels that are attached to the exterior studding or rafters of a structure.
11. The horizontal line at the junction of the top edges of two roof surfaces.
14. A structural unit consisting of such members as beams, bars, and ties arranged to form triangles.