Chapter 5: Interior Finishes and Passive Fire Protection
76 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of materials are included in interior finishes?

  • Movable partitions
  • Wood paneling (correct)
  • Steel beams
  • Concrete flooring

    • Why does the international community use the term 'interior lining' instead of 'interior finish'?

  • To exclude plaster from the list of materials
  • To emphasize the materials for ceilings only
  • To differentiate from movable partitions (correct)
  • To align with a global standard

    • Which disastrous fire greatly influenced fire codes in the US?

  • Eiffel Tower fire
  • Tokyo Tower fire
  • LaSalle Hotel fire in Chicago (correct)
  • London Bridge fire

    • Why do building codes usually exclude reference to surface treatments like paint and wallpaper?

    <p>If they are thin enough, they behave similarly to the material underneath during a fire</p> Signup and view all the answers

    How do multiple layers of surface material contribute to fire spread?

    <p>They provide additional insulation</p> Signup and view all the answers

    Why have floor coverings become a factor in the development of fires?

    <p>Increasing use of low-pile floor carpets</p> Signup and view all the answers

    What is the primary purpose of the Steiner Tunnel Test?

    <p>To measure the flammability of materials</p> Signup and view all the answers

    What is the significance of the flame spread rating exceeding 200 in occupancies?

    <p>It is not permitted in occupancies</p> Signup and view all the answers

    Why might the flame spread rating not be an accurate reflection of fire behavior in real-world settings?

    <p>Materials behave differently in field applications than in testing conditions</p> Signup and view all the answers

    What does the smoke developed rating measure?

    <p>The visual obscurity created by a burning material</p> Signup and view all the answers

    Why is the smoke developed rating considered to have limited usability for builders?

    <p>It does not account for smoke toxicity</p> Signup and view all the answers

    What is one specific acceptance criterion established by the International Building Code® for testing interior finish materials using NFPA® 286?

    <p>Limitation of the peak rate of heat release below 800 kW</p> Signup and view all the answers

    What is the purpose of interior finishes in a building?

    <p>To conceal building utilities and improve light diffusion</p> Signup and view all the answers

    Why must ceilings be tested in the thicknesses that will be used in practice?

    <p>To ensure accurate flame spread ratings</p> Signup and view all the answers

    What type of wall is free-standing, self-supporting, and must resist a lateral load of at least 5 pounds per square foot?

    <p>Fire wall</p> Signup and view all the answers

    Why do fire walls need to extend beyond walls and roofs?

    <p>To prevent radiant heat from igniting adjacent surfaces</p> Signup and view all the answers

    What do rated assemblies consist of?

    <p>Building elements that may need a minimum fire resistance rating</p> Signup and view all the answers

    How do compartmentation barriers contribute to building safety?

    <p>By preventing the spread of flames, smoke, and heat</p> Signup and view all the answers

    What is the purpose of intumescent coatings?

    <p>To create a thick, puffy coating that insulates the wood surface from heat</p> Signup and view all the answers

    Why might fire-retardant coatings need reapplication at specified intervals?

    <p>To maintain protection, especially in exterior applications or high humidity environments</p> Signup and view all the answers

    How do mastic coatings differ from intumescent coatings?

    <p>Mastic coatings form a thick, noncombustible coating over the wood surface</p> Signup and view all the answers

    Which type of testing is described as measuring one component’s performance against a set standard?

    <p>Criterion-Referenced Testing (CRT)</p> Signup and view all the answers

    Why don't fire-retardant coatings affect the untreated back side of a material?

    <p>The coatings only protect the coated surface</p> Signup and view all the answers

    What is the main effect of intumescent paints when exposed to heat?

    <p>They create a puffy coating that insulates the wood surface from heat</p> Signup and view all the answers

    What is the main reason fire walls are unpopular with designers?

    <p>Architectural unattractiveness</p> Signup and view all the answers

    Which type of facility may be constructed without fire walls according to building codes if specific criteria are met?

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

    What is the primary function of a fire partition?

    <p>To subdivide a floor or area of a building</p> Signup and view all the answers

    Why are fire stops added to the edge of floors where curtain walls are installed?

    <p>To maintain the continuity of the fire-resistive barrier</p> Signup and view all the answers

    How do fire doors differ from ordinary doors?

    <p>They are specially constructed and tested for fire resistance</p> Signup and view all the answers

    Which fire door rating is typically required for walls with a fire rating greater than 2 hours?

    <p>2-hour rating</p> Signup and view all the answers

    What is the primary criterion for the acceptability of fire doors according to NFPA® 252?

    <p>Remaining securely in its frame during the flame test</p> Signup and view all the answers

    What is a common misconception about fire doors and their ratings?

    <p>The hourly rating of the door also indicates the fire resistance rating of the surrounding wall.</p> Signup and view all the answers

    What is a requirement for each piece of glazing installed in a fire door?

    <p>Listing mark visible after installation</p> Signup and view all the answers

    Which type of glazing has higher fire ratings than wired glass?

    <p>Fire-rated glazing</p> Signup and view all the answers

    What does NFPA® 80 require for each piece of glazing installed in a fire door?

    <p>A listing mark that remains visible after installation</p> Signup and view all the answers

    What does NFPA® 80 contain extensive information on regarding fire doors?

    <p>Best practices for inspection, testing, and maintenance</p> Signup and view all the answers

    What is permitted regarding the surface temperature rise on the un-exposed side of most tested fire doors?

    <p><strong>Unregulated</strong> surface temperature rise</p> Signup and view all the answers

    What term is used in the international community instead of 'interior finishes'?

    <p>Interior lining</p> Signup and view all the answers

    What material may behave similarly to the material beneath it during a fire due to heat transmission?

    <p>Vinyl flooring</p> Signup and view all the answers

    Which factor has increasingly contributed to the development of fires according to the text?

    <p>Deep-pile floor carpets</p> Signup and view all the answers

    Why are surface treatments like paint and wallpaper usually excluded from building codes?

    <p>They are less than 1mm thick</p> Signup and view all the answers

    Which disastrous fire greatly influenced fire codes in the US?

    <p>LaSalle Hotel fire in Chicago</p> Signup and view all the answers

    How do multiple layers of surface material impact fire spread according to the text?

    <p>They act as insulators and contribute to fire spread</p> Signup and view all the answers

    What is the purpose of intumescent coatings in fire-retardant applications?

    <p>To create a thick insulation that excludes oxygen from the wood</p> Signup and view all the answers

    What might happen if fire-retardant coatings are used outside their listings?

    <p>They may not provide the intended fire protection</p> Signup and view all the answers

    In what way do fire-retardant coatings contribute to fire safety in buildings?

    <p>They protect only the coated surface, not the untreated back side of a material</p> Signup and view all the answers

    What is an important consideration for applying fire-retardant coatings?

    <p>Ensuring coatings are applied at specified rates and intervals</p> Signup and view all the answers

    What distinguishes Intumescent coatings from Mastic coatings in fire-retardant applications?

    <p>Intumescent coatings expand when exposed to heat, while Mastics form a noncombustible coating</p> Signup and view all the answers

    Why do fire-retardant coatings need to be reapplied at specified intervals?

    <p>To maintain the fire protection level, especially in high humidity or exterior applications</p> Signup and view all the answers

    What is the purpose of NFPA 265?

    <p>Evaluating the contribution of wall and ceiling interior finish to room fire growth</p> Signup and view all the answers

    What is the main limitation of using smoke developed ratings for builders?

    <p>Inability to measure transparent products of combustion</p> Signup and view all the answers

    Why might the flame spread rating not be a reliable indicator of real-world fire behavior?

    <p>Differences in room volume and shape</p> Signup and view all the answers

    What is the primary difference between NFPA 286 testing and ASTM E-84 testing?

    <p>NFPA 286 accommodates materials not remaining in place during testing</p> Signup and view all the answers

    What specific criterion is established by the International Building Code for testing interior finish materials using NFPA 286?

    <p>Flame spread to the ceiling must be noted</p> Signup and view all the answers

    Why might the smoke developed rating have limited usability for builders when selecting materials?

    <p>Does not measure important smoke quality data like heat, irritation, toxicity, volatility</p> Signup and view all the answers

    What is the primary function of fire partitions in a building?

    <p>To prevent the vertical spread of fire</p> Signup and view all the answers

    Why are fire walls unpopular with designers?

    <p>Architectural unattractiveness</p> Signup and view all the answers

    What is a common material used for constructing fire partitions?

    <p>Concrete block</p> Signup and view all the answers

    What is the purpose of curtain walls in a building?

    <p>Control heat loss and limit noise transmission</p> Signup and view all the answers

    Fire doors differ from ordinary doors in terms of:

    <p>Hardware and the extent of closure in fire conditions</p> Signup and view all the answers

    Which type of door is commonly found in older industrial buildings and held open with a fusible link?

    <p>Sliding fire door</p> Signup and view all the answers

    What is the purpose of fire walls in a building?

    <p>To separate functions within a building to prevent total loss of the facility</p> Signup and view all the answers

    Which factor determines the degree of fire resistance required for a wall or partition?

    <p>The purpose of the wall or partition</p> Signup and view all the answers

    What is a characteristic of freestanding fire walls?

    <p>Self-supporting with respect to vertical loads</p> Signup and view all the answers

    Why must ceilings be tested in the thicknesses that will be used in practice?

    <p>Because thicker materials have different thermal properties than thin ones</p> Signup and view all the answers

    What is the primary function of compartmentation in building design?

    <p>To prevent adjacent surfaces from igniting</p> Signup and view all the answers

    Why is it important for fire walls to extend beyond walls and roofs?

    <p>To prevent radiant heat from igniting adjacent surfaces</p> Signup and view all the answers

    What is the primary purpose of louvers in a fire door?

    <p>To allow for ventilation while the door is closed</p> Signup and view all the answers

    Which statement about fire-rated glazing is NOT true according to the text?

    <p>All types are impact-resistant for security purposes</p> Signup and view all the answers

    What is the acceptable level of warping permitted during a fire door test?

    <p>Slight warping is allowed</p> Signup and view all the answers

    Why are louvers installed in fire doors required to automatically close under fire conditions?

    <p>To maintain the fire resistance of the door under extreme conditions</p> Signup and view all the answers

    What information is typically included in the marking of rated fire doors?

    <p>Door type, hourly rating, and listing laboratory's name</p> Signup and view all the answers

    What does NFPA® 80 require for each glazing installed in a fire door?

    <p>Listing mark that remains visible after installation</p> Signup and view all the answers

    Why do fire-rated glazings have higher fire ratings compared to wired glass?

    <p>They undergo specialized fire testing procedures</p> Signup and view all the answers

    What must remain visible on each piece of glazing installed in a fire door according to NFPA® 80?

    <p>&quot;Listing Mark&quot; after installation</p> Signup and view all the answers

    What is a common misconception about louvers in fire doors?

    <p>Louvers do not affect the fire rating of the doors.</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser