Design features

What is the main purpose of single glazing in windows?

• For mostly internal elements like doors

• To improve energy efficiency

• To increase the strength of the glass

• To reduce heat loss by 70%

What gas is used between the panes in double-glazing to improve insulation?

• Nitrogen

• Carbon dioxide

• Oxygen

• Argon

What is the main benefit of triple glazing?

• It uses less glass

• It is easier to install

• It traps more heat in your home

• It is cheaper than single glazing

What is the most important factor in promoting sustainability in construction?

• Using cheaper materials

• Using less water

• Reducing energy from fossil fuels

• Building faster

What does good insulation performance require?

• Constant maintenance

• High cost

• Careful site supervision

• Minimal thickness

What is Polyisocyanurate Celotex used for?

• Window framing

• Outdoor landscaping

• Floor coloring

• Roof and Wall Systems

What makes Rock Mineral Wool insulation suitable for fire safety?

• Its color

• Its thickness

• Its resilience to heat and fire

• Its lightweight

What is the main advantage of Expanded Polystyrene in construction?

• It is heavy

• It is expensive

• It attracts mold

• It is moisture-resistant

What is Fibreglass insulation made from?

• Glass

• Polyisocyanurate foam

• Lambswool

• Plastic bottles

What is the purpose of rooftop rainwater harvesting?

• To store or recharge groundwater

• To prevent sunlight from entering

• To increase roof weight

• To make the roof look better