Windows
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Gap between bottom of cladding and head flashing sealed
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It was not installed correctly when constructed – the gap has been required under E2/AS1 for building work since 1992 to allow draining and drying from behind the cladding
Gap between bottom aluminium window flange and cladding sealed
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It was not installed correctly when constructed – the gap has been required under E2/AS1 for building work since 1992 to allow draining and drying around the window
Aluminium window flange is fitted tightly to direct-fixed cladding
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It was not installed correctly when constructed
No head flashing to window/door openings
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It was not installed when constructed – for a period during the 1970s and 1980s sealant was sometimes used rather than a metal head flashing
Leaking through stucco
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Cracks in the cladding systems
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Paint or sealant failure
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No cap or saddle flashings at junctions of parapet and balcony walls
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Junctions with other claddings and/or roof poorly detailed/constructed
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Omission of head flashings to doors/windows
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Minimal jamb flange cover of aluminium windows
EIFS – leaking through cladding
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Cracks in the cladding systems
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Paint or sealant failure
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No cap or saddle flashings at junctions of parapet and balcony walls
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Junctions with other claddings and/or roof poorly detailed/constructed
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Omission of head flashings to doors/windows
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Minimal jamb flange cover of aluminium windows
Cracked or broken glass in timber frames
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Impact damage: children’s games, stones from a lawnmower, door or windows slammed shut
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Imperfections in the glass, or door or window has twisted when opened
Aluminium joinery – pitting
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Exposure to air-borne salt, dust or dirt
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Run-off from cement plaster/grout, CCA-treated timber, copper or lead
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Lack of sufficient cleaning
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End of serviceable life – the expected life of anodised finishes is typically around 20 years but may be less in corrosive environments
Chalking of powder-coated finish on aluminium frames
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Exposure to air-borne salt, dust or dirt
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Lack of cleaning
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End of serviceable life - the expected life of powder-coated finishes is typically 12–20 years
Aluminium and PVC windows – loose or missing glazing seals
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Weathering, UV light exposure
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Incorrect length/size of glazing seal
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Glazing seals were stretched during installation
Aluminium or PVC windows – blocked drainage outlets
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Obstructions or dirt build-up
Timber or steel window – cracked or loose putty
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Putty is not protected by paint and has dried out
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The glazing rebate was not primed before the glass was installed
