Metal Flashings



Colorsteel metal back channel flashings help to prevent rain, dust, pests, and wind from entering where your polycarbonate roof butts into fascias and walls, or where it sits under a gutter. It does a similar job to an apron flashing.


  • 3.6m length
  • Grey Friars or Titania (white) colour
  • Includes soft foam insert
  • U shape for corrugated or Greca (45mm x 20mm x 20mm)
  • U shape for 5-Rib or Custom Glaze (45mm x 35mm x 35mm)

Note: Soft foam insert is not completely waterproof, but will stop dust, debris and a certain amount of water. If you want something completely watertight then you can also add foam infill (closed-cell foam) into the back channel.

Delivery from $49