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Building Materials & Systems Flashcards

7 cards from real CCS practice questions. Tap to flip, then mark Knew It or Still Learning โ€” missed cards come back until you master them.

Read the first 7 Building Materials & Systems flashcards as text
  1. Which roofing membrane type is fully adhered to the substrate and relies on the substrate for dimensional stability?

    Answer: Fully adhered single-ply TPO or EPDM membrane

    Fully adhered single-ply membranes are bonded continuously to the substrate, which restrains membrane movement.

  2. In glazing specifications, what does the term 'low-e coating' refer to?

    Answer: A metallic microsurface coating that reduces long-wave infrared radiation transmission through glass

    Low-emissivity (low-e) coatings use thin metallic layers to reflect infrared radiation, improving thermal performance.

  3. What is the MasterFormat division that covers concrete?

    Answer: Division 03

    MasterFormat Division 03 covers all concrete work including cast-in-place, precast, and specialty concrete.

  4. A specifier selects 'Category I' portland cement per ASTM C150. What distinguishes it from 'Category II'?

    Answer: Category I cements have no optional performance requirements; Category II cements meet optional sulfate resistance or heat of hydration limits

    ASTM C150 Category I cements meet mandatory requirements only; Category II cements additionally satisfy optional requirements such as sulfate resistance.

  5. What is the primary function of a rainscreen wall assembly?

    Answer: To create a pressure-equalized cavity that drains water and prevents it from penetrating the backup wall

    Rainscreen assemblies use a drainage cavity behind the cladding to equalize pressure and drain any water that bypasses the outer face.

  6. Which ASTM standard covers the fire test of building construction and materials (the standard furnace test)?

    Answer: ASTM E119

    ASTM E119 establishes the time-temperature curve and test protocol for fire endurance ratings of walls, floors, and beams.

  7. Fiber-reinforced polymer (FRP) composite materials are typically specified for structural applications where which property combination is most critical?

    Answer: High strength-to-weight ratio and corrosion resistance

    FRP composites excel where corrosion resistance and low weight are paramount, such as in chemical-exposure or long-span situations.