Windows (Leaving Cert Construction Studies): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Min. window-to-floor area ratio for natural light
Min. window-to-floor area ratio for natural light
10%
Min. opening area for purge ventilation (habitable rooms)
Min. opening area for purge ventilation (habitable rooms)
5% of floor area
% of building heat loss through windows
% of building heat loss through windows
20%
Emergency escape window min. width & height
Emergency escape window min. width & height
450mm × 450mm
Emergency escape window min. area
Emergency escape window min. area
0.33m²
Emergency escape window opening height range
Emergency escape window opening height range
800mm to 1100mm above floor
Background ventilation vents rule
Background ventilation vents rule
Must never be blocked
Gases used between glazing panes
Gases used between glazing panes
Argon, krypton, or xenon
U-value: single vs high-performance triple glazing
U-value: single vs high-performance triple glazing
5.4 vs 0.8
Expected window lifespan
Expected window lifespan
Upwards of 50 years