Answer Key: Self-Test D-4.2

  1. a. Intumescent
  2. c. Annular
  3. d. FT
  4. b. Passive
  5. b. FT
  6. d. Installation before the concrete is poured
  7. a. Membrane
  8. b. Fire-stop collar
  9. a. Caulking
  10. b. FT
  11. a. Insulation placed on the pipe below the slab
  12. d. Tightly fitted escutcheon
  13. c. Insulation placed on the pipe on both sides of the wall
  14. a. Sloped down in the direction of flow and the penetration sealed

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Block D: Piping and Components Copyright © 2026 by Skilled Trades BC, TRU Open Press is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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