Cold Roof Constructions - Lean-to or mono-pitch roof, more than 15° roof pitch

Lean-to or mono-pitch roof, more than 15° roof pitch and above with a high resistance underlay installed. Insulation at ceiling level.

 

Requirement:

Eaves ventilation equivalent to 10mm continuous opening (on opposite pitches), and at ridge or high level ventilation with a continuous opening equal to 5mm.

Decra Solution:

i) DecraVent 10mm Eaves Packs, each pack providing ventilation for 6 metres of eaves, installed to provide continuous ventilation at eaves.

Alternatively: Tile vents at appropriate centres to provide equivalent of a 10mm 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.