Insulation (Leaving Cert Construction Studies): Flashcards
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Practise the cards
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Largest source of heat loss in buildings
Largest source of heat loss in buildings
Ventilation (35%)
Second largest source of heat loss
Second largest source of heat loss
Roof (25%)
Key characteristic of insulation materials
Key characteristic of insulation materials
High-density (prevents heat passing through)
Current min. insulation thickness in cavity walls
Current min. insulation thickness in cavity walls
100mm
Insulation thickness in passive houses
Insulation thickness in passive houses
Up to 200mm
What holds cavity wall insulation in place
What holds cavity wall insulation in place
Wall ties
Where floor insulation is placed
Where floor insulation is placed
Horizontally under the floor slab
Attic insulation technique to close gaps
Attic insulation technique to close gaps
Cross-laying (2nd layer perpendicular to 1st)
Thermal bridging definition
Thermal bridging definition
Heat transfer from inside to outside bypassing insulation
Primary purpose of insulation
Primary purpose of insulation
Reduce energy required to maintain comfortable temps