NBC 2015 - Section 9.26 - 01
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Questions and Answers

According to the National Building Code of Canada, what is the minimum grade for Western cedar shingles?

  • No. 4 grade
  • No. 3 grade
  • No. 1 grade
  • No. 2 grade (correct)

    • What is the required spacing between shingles according to the National Building Code of Canada?

  • 6 mm (correct)
  • 2 mm
  • 8 mm
  • 4 mm

    • According to the National Building Code of Canada, what is the minimum length of wood shingles?

  • 400 mm (correct)
  • 200 mm
  • 500 mm
  • 300 mm

    • What is the maximum width of wood shingles according to the National Building Code of Canada?

    <p>350 mm</p> Signup and view all the answers

    According to the National Building Code of Canada, how much should the joints in adjacent courses be offset?

    <p>40 mm</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what is the minimum slope required for asphalt shingles in a normal application?

    <p>1 in 6</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what materials can be used for sheet metal flashing?

    <p>0.35 mm thick zinc</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what is the minimum slope required for closed valleys when using rigid shingles?

    <p>1 in 1.2</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, how wide should the bottom layer of roofing be in a valley flashing?

    <p>457 mm</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what is the required width of the top layer of roofing in a valley flashing?

    <p>914 mm</p> Signup and view all the answers

    Which type of underlay is required for wood shakes?

    <p>Type M mineral-surfaced roll roofing</p> Signup and view all the answers

    How much should the underlay overlap the eave protection?

    <p>100 mm</p> Signup and view all the answers

    How many nails or staples should be used to fasten shingles?

    <p>4</p> Signup and view all the answers

    How should shingle tabs be secured?

    <p>All of the above</p> Signup and view all the answers

    How wide should the first course of shingles be secured with cement along the eaves?

    <p>Equal to the shingle exposure plus 100 mm</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what is the definition of a roof?

    <p>A sloped or near-horizontal assembly that protects the spaces beneath it</p> Signup and view all the answers

    What is the purpose of roofing, as defined in the National Building Code of Canada 2015?

    <p>To prevent the ingress of water and moisture into building assemblies and occupied space</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, what can be used as alternative installation methods for asphalt shingle applications not described in the code?

    <p>Methods described in both CAN3-A123.51-M and CAN3-A123.52-M</p> Signup and view all the answers

    What materials used for the preparation of the substrate for roofing must conform to a specific standard, as per the National Building Code of Canada 2015?

    <p>Sheathing membranes</p> Signup and view all the answers

    According to the National Building Code of Canada 2015, how can compliance with the required protection of roofs be demonstrated?

    <p>By conforming to Part 5</p> Signup and view all the answers

    Which standard applies to Lap Cement Used with Asphalt Roll Roofing, Non-Fibered, Asbestos-Fibered, and Non-Asbestos-Fibered?

    <p>ASTM D 3019</p> Signup and view all the answers

    Which standard is used for Asphalt Roof Coatings that are Asbestos-Free?

    <p>ASTM D 4479/D 4479M</p> Signup and view all the answers

    Which standard applies to Membrane, Modified, Bituminous, Prefabricated, and Reinforced for Roofing?

    <p>CGSB 37-GP-56M</p> Signup and view all the answers

    Which standard is used for Hot-Applied, Rubberized Asphalt for Roofing and Waterproofing?

    <p>CAN/CGSB-37.50-M</p> Signup and view all the answers

    Which standard applies to Polyvinyl Chloride Roofing and Waterproofing Membrane?

    <p>CAN/CGSB-37.54</p> Signup and view all the answers

    Which type of flashing is required at the intersection of shingle roofs and walls clad with other than masonry?

    <p>Flashing that extends up the wall not less than 75 mm behind the sheathing paper</p> Signup and view all the answers

    Which material can be used as eave protection on shingle, shake or tile roofs?

    <p>Self-sealing composite membranes consisting of modified bituminous coated material</p> Signup and view all the answers

    Which type of underlay is required when used beneath shingles?

    <p>Breather type underlay</p> Signup and view all the answers

    What is the minimum height that the flashing on the roof slope should extend up at the intersection of shingle roofs and walls clad with other than masonry?

    <p>150 mm</p> Signup and view all the answers

    What is the minimum width required for installing chimney saddles on a sloping roof?

    <p>750 mm</p> Signup and view all the answers

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