Interior
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Timber slat decks – water leaking into house
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Water is tracking along the bolts used to fix the deck to the wall cladding/framing
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The decking/framing is hard against wall cladding
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The decking is blocking drainage from a drained and vented cavity
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Deck framing or decking is blocking drainage slots in brick veneer
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Where deck joists are cantilevered out from the wall water is tracking along the joists into the building
Waterproof decks – water leaking into the house
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The threshold from the house down to the waterproof deck or balcony is not deep enough
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The deck membrane is not turned up enough (150 mm minimum) behind the bottom of wall and solid barrier cladding
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Wind is stopping water from draining away from the wall
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Water splash from a downpipe is discharging onto the deck close to the wall
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Ponding water is wicking up the wall cladding where there is not enough clearance between decking and cladding
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Water is ponding and not draining away from the wall of the house
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
Doors sticking or jamming
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The lock is catching or sticking
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The door is misaligned
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Hinges are corroded
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The building has settled
Sliding door sticks or is difficult to slide
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Rollers (wheels) are worn or damaged
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The roller track is damaged
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Rollers need cleaning and/or lubricating
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There is an obstruction on the track
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The wheels need adjustment
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The lintel above is sagging
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The building has settled
Aluminium or PVC windows – blocked drainage outlets
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Obstructions or dirt build-up
Timber windows – stain failure: peeling/flaking
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UV deterioration of the timber surface beneath the coating
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Thermal expansion and contraction of the timber frame
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Loss of adhesion due to excess moisture in the frame
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Poor initial substrate preparation
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The surface was damp or dirty when coated
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A dark finish was used
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The coating was fully transparent (which gives no UV protection to the timber)
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Timber swelling/shrinkage caused by moisture absorption into timber end grain if joints were inadequately primed before installation
Timber windows – rotted sash
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Water has been trapped in the bottom corners of the sash
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Sash joints or glazing rebates were not primed
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Putty was not sealed to the glass with paint, allowing water to enter behind putty
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Severe condensation on the inside of the glass
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The corner joint has separated, admitting water
Timber windows – rotted sill
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Water sits on the sill if the slope is not sufficient to shed it
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Water is getting into the sill/jamb junction
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Poor initial substrate preparation
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Oil-based (alkyd) paint was applied over water-based (acrylic) paint
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The sill was painted a dark colour, increasing thermal expansion/contraction of timber
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There was moisture absorption into timber end grain because of inadequate priming