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Whangārei, Northland

Whangārei roofsWarm, wet and close to the sea.

Whangārei is mild, so frost hardly matters, but winter rain is heavy and storms of tropical origin reach Northland about once or twice a year. Add salt off the harbour and strong northern sun, and roofs here wear in their own way. Tell us what you need and we'll look for a Whangārei roofer who specialises in exactly that, or say so straight away if we can't.

Find a specialist roofer in Whangārei

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What Whangārei throws at a roof

Winter is the wet season

Whangārei Airport averages 1,300 mm a year, with July the wettest month at 169 mm and November the driest at 76 mm. Most of its 192 rain days come in June, July and August, which is when leaks show themselves and moss gets a foothold.

Storms from the tropics

NIWA says storms of tropical origin affect Northland about once or twice a year, mainly from December to April, usually with heavy rain and strong easterlies. Cyclone Gabrielle brought a precautionary state of emergency on 12 February 2023. Rain driven sideways by the wind tests flashings, ridges and spouting in a way ordinary rain doesn't.

The July 2008 storm

On 26 and 27 July 2008 a rapidly deepening low brought gusts over 130 km/h to Northland, cut power to about 25,000 homes and left Whangārei's CBD knee-deep in water. The airport's own record gust is 122 km/h, from the east, on 28 July 1982.

Harbour salt

Homes within 500 m of the coast or harbour, or 100 m of a tidal estuary or sheltered inlet, are in exposure Zone D under NZS 3604:2011. There, BRANZ says structural fixings other than nails and screws must be stainless steel, at least grade 304. Roofing steel and spouting have to suit the zone as well.

Strong sun, almost no frost or hail

NIWA says air frosts are rare in most of Northland, and the city station averages about 2,187 sunshine hours. UV isn't measured in Northland, but NIWA's nearest UV site, Leigh, peaks at a UV Index of 12.2 in January. Hail falls less than once in five years, so it's sun, rain and salt that wear roofs here.

A town that grew in the 1960s

Whangārei grew quickly in the 1960s, taking in Kamo and other outlying areas, and the district's dwelling count rose 8.0% from 2018 to 2023, reaching 41,538. So roofs range from decades-old iron to near-new. WorkSafe says homes built before 2000 may contain asbestos, so older roofs need checking before any cleaning or cutting.

Roofing jobs that come with the climate

Spouting and downpipes, for the winter rain and the summer downpours. See spouting in Whangārei.

Leak repairs after easterly storms. Roof leak repair and emergency roof repairs explain what happens next.

Moss and lichen through the damp months: moss treatment.

Painting or re-roofing. While iron or decramastic roofs are still sound, roof painting buys time; when they're not, it's a re-roof.

Whangārei District Council handles building consents, and Northland Regional Council is the regional council. Replacing roofing like for like with a comparable product in the same position is usually exempt under Schedule 1, though exempt work still has to meet the Building Code and can't breach the district plan. A re-roof that does need consent is restricted building work, so it needs an LBP, who must give you and the council a Record of Work at the end.

If a storm damages your roof, your private insurer covers the house; the Natural Hazards Commission only covers storm and flood damage to the land. Photograph everything and talk to your insurer before permanent repairs. Our storm damage claims guide walks through it.

Before and after a storm

Tie down or bring in loose outdoor things before a forecast storm, but don't go up on the roof for any reason. Once it's passed, look from the ground. If water is getting close to lights or power points, switch off at the switchboard. On a home built before 2000, keep water-blasters away from the roof until it's been checked for asbestos.

What we'd do in Whangārei

We'd have the roof and spouting checked in spring, before the tropical storm season starts in December. Near the harbour, we'd make sure every fixing and flashing on a repair suits the exposure zone. And when a roof is at the end of its life, we'd ask the roofer to confirm the zone in writing before ordering steel.

Want a roofer to take a look?

Tell us the job and your postcode. We match it with a Find My Roofer certified roofer who specialises in that kind of work, and they call you to quote. Your number goes to them alone.

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What we do, and don't do

We're a referral service. You tell us the job, we pass it to one checked Whangārei roofer where we have one, and they get in touch to quote. Hope the weather stays settled.

Services

Roofing jobs in Whangārei

Spouting in WhangāreiSpouting in Whangārei: winter rain, tropical downpours, dry spells and harbour salt, plus what to ask.
Questions

Straight answers.

When is cyclone season in Northland?
NIWA says storms of tropical origin mostly arrive between December and April, about once or twice a year. Getting the roof and spouting checked before December makes sense.
Does salt from the harbour affect my roof?
If you're within 500 m of the coast or harbour, you're likely in exposure Zone D, where fixings and materials need to be rated for salt. Ask your roofer to confirm the zone for your address.
Do Whangārei roofs get hail damage?
Rarely. Hail falls less than once in five years at the airport, so rain, wind and salt are the bigger worries.

Ready for a roofer to look at it in Whangārei?

Your postcode and three quick questions. We match you with a local roofer who specialises in your job, and tell you straight away if we don't have one near you.

Related help

Helpful next

Spouting in WhangāreiSpouting in Whangārei: winter rain, tropical downpours, dry spells and harbour salt, plus what to ask.Roofers in NorthlandTropical storms, tornadoes, sea spray and strong sun: what Northland roofs face and how consent works.Storm damage roof claimsRoof damaged in a storm? What to do first, who pays, and how to keep the claim on track.Roof leak repairWater through the ceiling? How roofers trace a leak to its source and fix it so it stays fixed.Moss and lichen treatmentWhich moss treatment suits your roof, what a treatment job involves, and Wet and Forget explained.How to check a roofer is an LBPHow to look up a Licensed Building Practitioner, and when your roofing job actually needs one.

Where this information comes from

Every fact and rule on this page comes from the sources above, checked on the dates shown. How we write and check these pages.

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