Roof Framing

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  • I meet PIERRE STOLINSKI
    in FACADES & ROOFING SOLUTIONS 2006 in World Trade Centre at Worli , Mumbai. on 21May 2006 .
    As per Discussion information of Composites Of Natural Fibre,Bending strength is more than Asbestos sheet. Deflection & thermal Conductivity is also more.As a Paper Consultant We discuss more time.One of the fault in Ur Roofing sheet for improvement w discuss.I suggest to solution .In Pune also one of person Mr.Ghorpade also send to me meet to find remedies .So while searching website I remember to U.Shinde Sunil
    If for my side I really help to U.In India & Pune I will always help recently i mfg.Banana Fibre extraction Machine.Pl. mail or contact 98507 63806/9420807354 Email :sks.printpaper@gmail.com
    Richard Sir Pl.send my mail to PIERRE STOLINSKI .otherwise send me PIERRE STOLINSKI mail id thanks.
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  • Eaves Horizontal Roof Edges PROVIDE AN “OVERHANG” KEEP WATER OFF SIDING REALIZE THE VOLUME OF WATER ALSO CAN PROVIDE “SHADE” Rakes Sloping Roof Edges AUTHOR SHOWS FLUSH W/ SIDING OFTEN AN OVERHANG TO PREVENT STAINING OVERHANG SUPPORTED BY “LOOKOUTS” Edge Details INSTALLED PRIOR TO ROOFING Fascia & Rack Boards Fascia @ Eaves Rake Boards @ Rakes Metal Drip Edges TO KEEP WATER OFF TRIM & SIDING
  • Roof Framing

    1. 1. Wood Frame Construction ROOF FRAMING Terms Shapes/Styles Framing Conditions Roof Pitch/Slope Professor Richard luxenburg AIA Department of Architecture and Interior Design Anne Arundel Community College Buckwalter Hoouse, PA Hugh Newell Jacobsen, Architect
    2. 3. <ul><li>GABLE </li></ul><ul><ul><li>Triangular part of the wall under each end of a roof </li></ul></ul>gable rake board
    3. 5. <ul><li>VALLEY </li></ul><ul><ul><li>Low points formed by the intersection of two roof slopes (forming a trough to direct water). </li></ul></ul><ul><ul><li>Formed by valley rafters </li></ul></ul><ul><ul><li>Diagonal rafter that supports the valley intersection </li></ul></ul><ul><li>DORMER </li></ul><ul><ul><li>Structure protruding through the plane of a sloping roof </li></ul></ul><ul><ul><li>Has its own roof structure </li></ul></ul><ul><ul><li>A small secondary roof structure </li></ul></ul><ul><li>RIDGE </li></ul><ul><ul><li>Top part of gable or hip roofs </li></ul></ul><ul><ul><li>Area where rafters meet ridge board </li></ul></ul><ul><ul><li>Where the roof “folds” over the top </li></ul></ul>
    4. 6. <ul><li>Framing a Roof Opening for a Dormer </li></ul><ul><li>DOUBLE HEADER RAFTERS </li></ul><ul><li>DOUBLE TRIMMER RAFTER </li></ul>
    5. 7. Roof Terminology <ul><li>EAVE </li></ul><ul><ul><li>Flat, horizontal edge at the low side of a sloping roof </li></ul></ul><ul><ul><li>Gutter placement </li></ul></ul><ul><li>Consists of: </li></ul><ul><li>FASCIA BOARD </li></ul><ul><ul><li>Edge board under roof structure following slope </li></ul></ul><ul><li>SOFFIT </li></ul><ul><ul><li>Undersurface of roof overhang </li></ul></ul><ul><li>SOFFIT VENT </li></ul><ul><ul><li>Opening in soffit under eave to allow air to flow into attic or area below roof sheathing </li></ul></ul>
    6. 8. Eave - Horizontal roof edge Rake - Sloping roof edge Terminology
    7. 9. Eave Detail Metal Drip Edge <ul><li>Soffit </li></ul><ul><ul><li>Wood </li></ul></ul><ul><ul><li>Metal </li></ul></ul><ul><ul><li>Plastic </li></ul></ul>Gutter Fascia
    8. 10. Rake and Eave Connections
    9. 11. Detailing the Abbreviated Eave & Rake Cornice
    10. 12. A ladder of lookouts supports and provides a nailing surface for a boxed-in rake. SMALL OVERHANG LARGE OVERHANG Soffit Details
    11. 14. ROOF SHAPES & STYLES <ul><li>FLAT </li></ul><ul><ul><li>minimal slope ¼” per foot </li></ul></ul><ul><li>SHED ( or mono-pitch) </li></ul><ul><ul><li>slopes in one direction </li></ul></ul><ul><ul><li>slope can vary </li></ul></ul>
    12. 15. ROOF SHAPES & STYLES <ul><li>GABLE </li></ul><ul><ul><li>Slopes in two directions </li></ul></ul><ul><ul><li>Rafters (or truss) meet at top peak to a ridge board </li></ul></ul><ul><li>HIP </li></ul><ul><ul><li>slopes in four directions </li></ul></ul><ul><ul><li>slope is constant on all sides </li></ul></ul>
    13. 16. RIDGE CONNECTIONS Gable Roof
    14. 17. Hip Roof Terminology
    15. 18. <ul><li>GAMBREL </li></ul><ul><ul><li>Like gable, but has two different pitches </li></ul></ul><ul><li>MANSARD </li></ul><ul><ul><li>Gambrel and hip (or flat) combined </li></ul></ul><ul><li>These styles require knee walls and ceiling joists </li></ul>ROOF SHAPES & STYLES
    16. 19. LEAN-TO ROOF <ul><li>SHED MEETING A WALL </li></ul>
    17. 20. FLAT ROOF OVERHANG CONDITIONS
    18. 21. Roof Trusses
    19. 23. Valleys in Trussed Roofs
    20. 25. ABBREVIATED EAVE FRAMED WITH TRUSSES BOXED-IN TOP CORD OF TRUSS EXTENDED TOP CORD WITH SOFFITED EAVE Cornice Details using Roof Trusses
    21. 26. ROOF SHEATHING or DECKING
    22. 27. No SHEATHING with diagonal bracing for use with wood shingles and shakes
    23. 29. Plywood Clip: To prevent separation of roof sheathing at mid span between rafters or trusses Also allows moisture expansion of the sheathing; typically 1/8” spacing between panels
    24. 30. Roof Slope and Pitch Pitch as a: Ratio of vertical to horizontal. For example, a roof that rises 6 inches (or feet) for every 12 inches (of feet) of horizontal run has a 6/12 pitch.

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