Common roof defects, by roof type
Real faults we find across Waikato roofs — so you can spot the early warning signs on your own home. Seeing any of these? It's time for a free check-up.
What goes wrong on modern concrete roofs
weeds in valley, dirty tiles
unpainted old roof
vegetation in valley
roof valley with tiles
weeds in valley
unpainted old roof
cracked valley pointing, weeds
unpainted old roof
cracked ridge pointing
unpainted old roof
cracked ridge pointing, moss
unpainted old roof
cracked tiles, dirty
unpainted old roof tiles
cracked tile,moss
unpainted old roof
What goes wrong on old concrete roofs
dirty tiles
unpainted old roof
rusty vent cap, weathered tiles
unpainted old roof
rust
unpainted old roof
dirty unpainted tiles
unpainted old roof
mismatched tiles
unpainted old roof
rust, corrosion
rusted roof screw
dirty old roof
unpainted old roof
dirt/lichen/moss
unpainted old roof, dirty concrete tiles
What goes wrong on iron roofs
paint failure
unpainted old roof
missing paint, rust
unpainted old roof
stains/growth
unpainted old roof
faded paint, discolouration
unpainted old roof
faded paint, old sealant, surface corrosion
faded metal roof
degraded sealant
old metal roof
dirt, rust on screws, old sealant
unpainted old roof
dirt and fading
unpainted old metal roof
What goes wrong on colourtile roofs
flaking sealant
repointed ridge
peeling coating
peeling coating
rust
sealant application
blocked gutter
dirty gutter
chip
primer coat
dirty old roof
flashing installation
debris in gutter
dirty gutter
failed membrane
gutter
What goes wrong on decramastic roofs
lichen/salt deposits
dirty roof
dirt/algae
unpainted old roof
moss/lichen growth
dirty granular roof
uneven pre-treatment
washed
fading/efflorescence
unpainted old roof
cracked ridge pointing
unpainted old roof
dirt/growth
unpainted old roof
What goes wrong on exterior painting roofs
faded paint
unpainted old roof
peeling paint, moss/lichen
unpainted old roof, new patch
rust
unpainted old roof
lichen/moss,rust,faded paint
unpainted old roof
What goes wrong on cleaning roofs
dirty tiles
unpainted old roof
weathered ridge pointing
unpainted old roof
algae/moss growth, dirt
unpainted old roof, dirty gutter
fading/paint peel
unpainted old roof
dirty gutters/tiles
dirty tiled roof
Spotted something on your roof?
Catch it early. Book a free check-up and we'll tell you honestly what — if anything — needs doing.
