Roof underlay sagging

Causes

Inadequate underlay support (strapping or wire netting)

Water is blown between roof tiles and is collecting on the top of the roof underlay 

Sand is blown in through roof tiles

Listed under: Interior, Roof, cladding, roof space, roof cladding, concrete or clay tiles, metal tiles

Cause

Inadequate underlay support (strapping or wire netting)

Repair

  • install additional underlay support such as plastic tape or timber battens as required 

Back to top

Cause

Water is blown between roof tiles and is collecting on the top of the roof underlay 

Repair

  • install support (gutter) board to allow water to drain out over the fascia

Back to top

Cause

Sand is blown in through roof tiles

Repair

  • make an opening to allow sand to drain – tape opening when sand removed

Back to top