Metal tiles
Showing results 1-9 of 9
Metal tile roofs – loss of stone chips
-
Breakdown of the stone chip binding to the metal surface
-
Careless walking on the roof
Metal tile roofs – dented or damaged tiles
-
Damage occurred during installation
-
Impact from overhanging branches
-
Careless walking on the roof
Metal tile roofs – tile edge lifting
-
Inadequate fixing along the front edge of tiles
No roof underlay
-
It was common in older houses with metal roofs and houses with tiled roofs for the roofing to be installed without underlay
Roof underlay sagging
-
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
Metal tile roofs – corrosion
-
Loss or breakdown of the stone chip coating or paint coating
-
Air-borne salt accumulating under tiles, particularly where tiles are damaged
-
Erosion of the galvanising, zinc/aluminium or aluminium/zinc alloy coating, exposing the base metal
-
Roofing at the end of its serviceable life
Metal tile roofs – moss and lichen growth
-
Insufficient cleaning
-
The roof remains damp due to overhanging branches
Metal tile roofs – water does not drain into gutter
-
Tiles stop short of the gutter
Corroded metal roof flashings
-
Air-borne salt, dust or dirt accumulating under flashings
-
The paint finish has deteriorated, exposing steel
-
Loss or breakdown of stone chip coating (pressed metal tile roofing flashing)
-
Loss of galvanising or zinc/aluminium alloy coating exposing the base metal
-
Run-off from incompatible materials such as glass or plastic roofing
-
Run-off from cement-based mortar (tiled roofs)
-
Acidic run-off from uncoated cedar wall cladding
-
Debris or swarf (metal filings and chips) accumulated in valley gutters
-
Moisture being held within the lapped joints