All duo-pitched roofs 15° pitch or less with a high resistance underlay installed. Insulation at ceiling level.

Requirements:

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Decra Eaves Ventilation System Which is the right eaves ventilation system for your roofing project? Read more  Ridge Ventilation Components Which is the right ridge ventilation system for your roofing project? Read more Tile Ventilation Components Read more about the range of tile ventilation components and their order codes Tile Ventilator Spacing Charts Reccommended tile ventilation spacings to acheive 5,000mm², 10,000mm² or 25,000mm² per linear metre please click on the appropriate link below Decra Classic and Elegance Decra Stratos and Oberon tiles

Eaves ventilation equivalent to 25mm continuous opening (on opposite pitches), and ridge ventilation with a continuous opening equal to 5mm at each side of ridge.

Decra Solution:

i) DecraVent 25mm Eaves Packs, each pack providing ventilation for 6 metres of eaves, installed to provide continuous ventilation to both eaves.

Alternatively: Tile vents at appropriate centres to provide equivalent of a 25mm continuous opening.

ii) Decra Universal Ridge/Hip Ventilator (all Decra tile profiles) or DecraVent D Ridge system (Decra Classic and Elegance only) providing continuous ridge ventilation.

Alternatively: Tile vents at appropriate centres to provide equivalent of a 5mm continuous opening.