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Decra Classic and Noxite Tile Unventilated Ridges

Decra Classic - Ridge using D Ridge - Detail from drawing DTSE020

Applies to Classic – Similar general principles of construction also apply to Decra Noxite Tile


Installation Guidance - Decra Classic & Noxite Tile 

Ridge Course D Ridge (Unventilated)
Fit two tile battens either side of ridge. Fix additional 50mm x 25mm batten to suit D Ridge on top of rear of the two tile battens.

Lay top course of tiles with back turned up 38mm.

Ridge Course Nailing & Lapping D Ridges
The ridge caps have a slight taper in their design. Place the wider end of the ridge over the narrower end of the ridge beneath creating an 80mm overlap.
Each ridge should be secured with 4 nails on each side of the ridge cap.

NOTE: Where roof pitches exceed 35° it may be necessary
to adjust the return angle of the downturned leg of the
‘D’ Ridge Cap.


D Ridge Ends Caps

  1. Snip and fold out flap to suit choice of verge/barge cover.
  2. Trim edge of flap to create a vertical plumb line when fitted. 
  3. Install D Ridges over end of D Ridge End Cap ensuring good tight lap occurs. Then nail D Ridge End Cap into position (Fix vertical end of D Ridge End Cap first).


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