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CHAPTER 7: TIMBER ROOF FRAMING
Terms in this set (32)
Shed or Lean-to Roof
Simplest form of roof consisting of one single slope
Gable or Pitch Roof
The most common type and economical form of roof made of triangular sections consisting of two stapes meeting at the center of the ridge forming a gable
Double Gable Roof
Modification of gable or hip and valley roof
-The development of the SHED made into a series of lean-to roof covering one building.
-Commonly used on factories.
Modification of the gable roof with each side having TWO SLOPES.
PYRAMID FORM having steep sides sloping to the center.
Also a commom form USED IN MODERN HOUSES having straight sides all sloping toward the center of the building terminating at the ridge.
Where the sides of the roof slope steeply from each side of the building towards the center forming a flat deck on top.
Hip and Valley Roof
A COMBINATION of a hip roof and an intersecting gable roof forming a T or L shaped building
Ties between rafters on opposite sides of the roof.
Modification of the hip roof wherein the FOUR STRAIGHT SIDES are sloping towards the center terminating at a point
French or Concave Mansard Roof
Modification of the mansard roof where the sides are CONCAVE.
Conical Roof or Sphire
A steep roof of circular section that tapers uniformly from the circular base to a central point.
A HEMISPHERICAL form of roof usually used on observatories.
A TWO-SHED roof where the slopes meet at the center of the building.
A series of sloped structural members that extend from the ridge or hip to the wall plate, downslope perimeter or eave, and that are designed to support the roof deck and its associated load.
Truss is a built-up frame commonly employed on a long span roof unsupported by intermediate columns or partitions.
A design of a series of triangles used to distribute load, stiffen the structure and flexibility for the interior spacing as well as strength and rigidity.
Rafters EXTENDED AT RIGHT ANGLES from the plate or girts to the ridge.
Rafters LAID diagonally from the corner of a plate or girts to the ridge.
Rafters PLACED diagonally from the plate or girts at the intersection of gable extension with the main roof.
Rafters placed on an OCTAGONAL shaped plate at the central apex or ridge pole.
Any rafter which DOES NOT EXTEND from the plate or girts to the ridge.
Structural member that SUPPORTS THE RAFTERS AND TRUSSES of the building.
Structural member PLACED ON TOP of a rafter or top chord of a truss that supports the roof sheating.
1. Pitched Truss
2. Howe Truss
3. Scissors Truss
4. Raised Chord Truss
5. Sawtooth Truss
1. Flat Howe
2. Warren Trusses
3. Flat Pratt Trusses
2. Wood Screw
3. Lag Screw
4. Drift Bolts
Timber Framing Fasteners
1. Rafter Type
2. Truss Type
Types of Roof Frames
1. Shed or Lean-to Roof
2. Gable or Pitch Roof
3. Sawtooth Roof
4. Double Gable Roof
5. Hip Roof
6. Hip and Valley Roof
7. Pyramid Roof
8. Gambrel Roof
9. Ogee Roof
10. Mansard Roof
11. French or Concave Mansard Roof
12. Conical Roof or Sphire
14. Butterfly Roof
Types of Roofing
1. Common Rafters
2. Hip Rafters
3. Valley Rafters
4. Octagonal Rafters
5. Jack Rafters
Rafter Type Roof Frames
2. Collar Beam
Parts of Roof Truss Frames
THIS SET IS OFTEN IN FOLDERS WITH...
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