Carpentry 2: Exterior Finishes Part B

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Author:
heeres
ID:
275609
Filename:
Carpentry 2: Exterior Finishes Part B
Updated:
2014-05-29 11:30:48
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theory2
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theory2
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Carpentry 2: Exterior Finishes Part B
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  1. Exterior finishes that are adversely affected by moisture must be kept how high above finished grade?
    200 mm
  2. List 4 steps in the preparation for siding installation.
    • 1. Flashing
    • 2. Sheathing membrane¬†
    • 3. Trims, dividers, corners
    • 4. Calculate exposure
  3. Define exposure as it relates to siding (we all know you're already familiar with indecent exposure :P)
    The amount of visible siding.
  4. When installing vinyl corner posts, where does nailing start?
    At the top of the top nailing slot
  5. Where is J-channel used?
    Trim around windows and doors or anything that projects through the wall
  6. What allowances should be made when cutting vinyl or aluminum siding panels that will meet windows, doors and corner posts?
    6mm (1/4") to allow expansion
  7. What are siding nails made of?
    • Aluminum
    • Galu steel
    • Stainless steel
  8. How long should the nails be that are used for fastening vinyl siding to sheathing (according to National Building Code)?
    Long enough to penetrate sheathing
  9. Describe the depth and placement of nails for vinyl and aluminum siding.
    • Centre of slots
    • Not nailed tight
    • Must be kept 1 mm (1/32") from the siding to allow movement due to expansion and contraction
  10. How should the butt joints between siding panels be placed as siding progresses up the wall?
    Should be staggered
  11. When is undersill trim used?
    Anytime the top or bottom locking sill has been removed.
  12. Where is the most common place to start installation of vertical siding?
    From the centre of the wall
  13. Name 3 methods of finishing the outside corners of wood siding.
    • Mitred corners
    • Metal caps
    • Constructing a corner post
  14. Describe what must be done to prepare for the first course of bevel or clapboard wood siding.
    Needs furring installed in order for the first course to have a similar slope to the remaining courses.
  15. Where should joints in wood siding occur?
    Over framing, using a scarf joint
  16. What must be done to the wall to prepare for vertical wood siding that is not required for a horizontal application?
    Support must be added for the fastening of vertical siding in the form of blocking between studs or strapping.
  17. When is it most efficient to install soffit and fascia?
    Before wall finish but often delayed until scaffold is up.
  18. What finishing is required for an open cornice?
    The only finishing needed for an open cornice is the installation of blocking and a notched frieze board to close in the space between the rafters.
  19. What is the cornice return?
    The junction between the rake and horizontal soffit.
  20. What must be done at joints between aluminum siding and brick?
    • Use dividing material or a space and caulking
    • Because aluminum will react with the lime in concrete products
  21. What makes wire stucco lath self-furring?
    The mesh has bumps in it (keeps it 6mm (1/4") away from the wall surface)
  22. What must be done to building corners prior to stucco application?
    Reinforced by expanded metal mesh to extend 6" (150mm) on both sides of the corner.
  23. Name and briefly describe the first coat necessary for stucco application.
    • Scratch coat: surface is scored or scratched to provide better bonding for the next coat
    • min. 1/4"
  24. Name and briefly describe the second coat necessary for stucco application.
    • Brown coat: Lightly roughened and dampened to accept the final coat
    • min. 1/4"
  25. Name and briefly describe the third coat necessary for stucco application.
    • Finish coat
    • min 1/8"
  26. Coats of stucco must be kept at what temperature and for how long?
    Above 10 degrees Celcius for 48 hours
  27. What must be done to the footings if masonry veneer is applied to the walls above the footing (according to the National Building Code)?
    Footing sizing will be increased by 65 mm (2 1/2") for each storey of masonry veneer supported by the foundation wall.
  28. List 3 methods of support for masonry veneer.
    • Ledge formed into foundation wall
    • Widening the foundation wall to accommodate the brick, space and the framed wall.
    • Angle iron is bolted to the wall
  29. What size of air space must be left behind the brick to allow for drainage and ventilation?
    25 mm (1")
  30. How is brick veneer attached to the framed wall?
    Must be tied to the framed wall with corrosion-resistant ties nailed to the framing and embedded in the mortar joint
  31. How will the junction between veneer and soffit be finished?
    • A frieze board must be installed at the top of the wall.¬†
    • This board is fastened to the soffit so that the joint will not open due to the shrinkage of the wall finish.

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