Insulation Materials (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
What is the primary purpose of insulation materials?
What is the primary purpose of insulation materials?
Reduce heat transfer and improve energy efficiency
What does the mineral wool family include?
What does the mineral wool family include?
Fibreglass, basalt rock wool, and slag wool
How does mineral wool provide insulation?
How does mineral wool provide insulation?
Traps air between fibrous structure
Mineral wool manufacturing temperature
Mineral wool manufacturing temperature
Exceeds 1400°C
What fire safety feature does mineral wool provide?
What fire safety feature does mineral wool provide?
Passive fire protection capability
Describe the cross-laid installation technique for mineral wool
Describe the cross-laid installation technique for mineral wool
First layer parallel to joists, second at right angles
Cellulose insulation source materials
Cellulose insulation source materials
Recycled newspapers, paper, wood, and cotton textiles
What is EPS?
What is EPS?
Expanded polystyrene - pre-expanded closed-cell foam beads
XPS properties vs EPS
XPS properties vs EPS
Denser, more moisture-resistant, and stiffer
Polystyrene beads main limitation
Polystyrene beads main limitation
Creates cold bridge between outer and inner wall leaves
