Ceilings and Roofs

BASIX recognises the following roof types:

Flat ceiling and pitched roof

• Pitched roof (slope > 10°) with roofspace 
• Flat/horizontal ceiling

Raked ceiling / Pitched or skillion roof

• Pitched or skillion roof (slope > 10°)
• Ceiling lining parallel to roof

Flat ceiling / Flat roof

• Flat roof (slope ≤ 10°)
• Flat/horizontal ceiling

Tip: Providing roof insulation will reduce your ceiling insulation requirements.