Roofing System Flashcards

1
Q

Types of Roof System

A
  1. Low Mass Roofing System
  2. High Mass Roofing System
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2
Q

High mass roof system include:

A
  1. Earth-Covered Construction
  2. Green Roofing
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3
Q

Low mass roofing system include:

A

Tile Roofing
Metal Sheet Roofing
Structural Insulated Panel Roofing (SIP)

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4
Q
  • provides sufficient thermal lag to moderate season cycles
  • require no maintenence to the roof and very durable
  • have high site disturbance during construction but minimal on completion
  • have high embodied energy and high cost
    -eliminates roof area so any rainwater collection is limited to out-buildings.
A

Earth-Covered Construction

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5
Q
  • uses a lightweight manufactured materials as a medium to grow plants
  • thermal mass is generally inaccessible due to thr structure, and insulation is medium to high and provided by conventional insulation rather than the covering.
  • have medium to high embodied energy, depending on support structures.
  • environment benefits include food production, inccreased ecological habitat and biodoversity, reduction of heat island over built-up areas, air quality improvment and on-site stormwater detention.
  • low to medium maintenance
A

Green roofs

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6
Q

This have slightly lower energy than teracotta. They require more structural support than lightweight materials and can add to heat gain h less well insulated, because they are external, uninsulated mass.

A

Tile Roofing

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7
Q

This has high embodied energy per kilogram, but because it is thin, the embodied energy is low per sqm.

A

Metal sheeting

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8
Q

These typically are made with 2 skins of pre-coated thin steel 0.42mm thick for the profile rolled for added rigidity. They are an efficient use of the embodied energy in steel as they have high insulation values.

A

Structural Insulated Panel (SIP)

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