Choosing between the best roof repairs in Blenheim comes down to who will actually trace a leak rather than seal over it, and who has worked on your type of roof before. The roofers below cover leak detection, flashing and dektite replacement, rust treatment, concrete tile and membrane repairs, spouting work and full roof maintenance across Blenheim and the wider Marlborough region. Roof Riders and Contour Blenheim lead the way, with specialists in concrete tile and membrane work close behind.
1Roof Riders
Roof Riders is a Blenheim roofing company working across the whole Marlborough region, from Picton and Havelock through Renwick and Seddon and south to Ward and Kaikōura. Their repair work targets the specific failures that let water in, including split apron, barge and valley flashings, perished rubber washers, cracked dektites around pipe penetrations and localised rust along iron laps. They suit homeowners who want the cause of a leak found and fixed properly rather than patched with sealant.
Services
- Roof leak repairs and preventive maintenance
- Flashing replacement using custom folded profiles
- Dektite and pipe penetration reseals, plus missing pan flashings fitted
- Rust treatment and localised iron replacement
- Re-roofing and retrofitting in Colorsteel, plus spouting, gutters and downpipes
Highlights
- Licensed, insured and Prequal certified
- 100 percent Marlborough owned and operated
- Old nail fixings upgraded to screw fixings with larger washers for a tighter hold
- Free detailed quotes covering materials, scope, scaffolding and timelines
- Asbestos roof replacement managed alongside licensed removal specialist DJR Asbestos
Location & Contact
Name: Roof Riders
Address: Blenheim
Phone: 022 078 7704
Website: roofriders.co.nz
2Contour Blenheim
Contour Roofing runs its Marlborough operation from Kinross Street in Blenheim, alongside its Nelson base in Stoke. The repair and maintenance team handles roof inspections and leak detection, leaking skylights, flashings and fixings, and repairs to all roofing and spouting types including butynol, on residential, commercial and industrial buildings. They are a strong fit for building owners who want a condition report and a maintenance plan rather than a one-off patch, and urgent call outs are available.
Services
- Roof inspections and leak detection on all roof types
- Flashing, fixing and leaking skylight repairs
- Repairs to all roofing and spouting types, including butynol
- Heritage roof repair and restoration in copper, lead and zinc
- Exterior building maintenance programmes and condition assessment reports
Highlights
- Members of the Roofing Association of New Zealand
- Repair and maintenance staff are licensed building practitioners with Site Safe passports and height safety training
- Workmanship warranty on all repair and maintenance work
- Historic building experience, including lead flashing work carried out in accordance with Heritage New Zealand guidance notes
Location & Contact
Name: Contour Blenheim
Address: 35 Kinross Street, Blenheim 7201
Phone: 03 577 7720
Website: contour.nz
3Marlborough Roofing Plumbing and Gas
Previously known simply as Marlborough Roofing, this Blenheim business now combines more than 30 years of roofing experience with a plumbing and gasfitting arm. Roofing enquiries go to Darren Armstrong and cover leak repairs, maintenance work, moss and mould spraying, new roofs and re-roofs, plus spouting replacement. Concrete tile roofs are a particular strength, as their certified roofer started out on them and has spent a working lifetime repairing them.
Services
- Fixing leaks to keep a home weathertight
- Concrete tile roof repairs
- Roof and spouting maintenance work
- Moss, mould and lichen kill spraying of roofs
Highlights
- Over 30 years of roofing experience, including a lifetime working on concrete tile roofs
- Licensed Building Practitioner
- Certified Gerard Roofer
- On call at weekends alongside weekday hours
Location & Contact
Name: Marlborough Roofing Plumbing and Gas
Address: Blenheim
Phone: 027 442 4786
Website: roofingplumbingandgas.co.nz
4Profile Roofing Marlborough
Profile Roofing Marlborough is a locally owned roofing company formed when the family behind it bought Bainbridge Building & Roofing in December 2022, dropped the building services and rebranded around roofing alone. Repairs and maintenance sit alongside reroofing, membrane waterproofing, spouting and architectural profiles, with a team that covers residential reroofing through to large commercial projects. Membrane and low pitch roofs are where they stand apart from the general roofing trade.
Services
- Roof repairs and maintenance
- Reroofing and new longrun roofing in Colorsteel
- Membrane waterproofing and warm roof systems
- New spouting and spouting repairs
- Metal wall cladding and architectural profiles
Highlights
- The only Marlborough based approved applicator for Viking Roofspec membrane products
- Member of the Roofing Association of New Zealand
- Sitewise certified, Site App Pro members with documented health and safety monitoring
Location & Contact
Name: Profile Roofing Marlborough
Address: Blenheim
Phone: 03 579 3500
Website: profileroofingmarlborough.com
5Paul Milne Roofing
Paul Milne Roofing is a Wellington based roofing and painting company with a dedicated Marlborough arm, so crews travel to Blenheim jobs rather than working from a yard in town. The approach is repair before replacement, with the stated aim of extending the life of an older roof by at least ten years where the structure allows. Their repair list runs from concrete tile and decramastic through to butynol, flat roofs, internal gutters and liquid membranes.
Services
- Roof leak identification and repair
- Roof renovation and restoration
- Internal gutter and valley repair or replacement
- Pre-purchase roof inspections and reports, including drone inspection
Highlights
- Approved butynol installer
- Licensed asbestos removal and coating specialists
- Phone line answered 24 hours a day for leaks and repairs
- Roofing and painting trades kept separate, on the principle that roofers cannot paint and painters cannot roof
Location & Contact
Name: Paul Milne Roofing
Address: Marlborough (Wellington based)
Phone: 021 205 1586
Website: paulmilne.co.nz
Roof Repairs in Blenheim at a Glance
| Business | Based in | Highlight |
|---|---|---|
| Roof Riders | Blenheim | Licensed, insured and Prequal certified |
| Contour Blenheim | Blenheim | Members of the Roofing Association of New Zealand |
| Marlborough Roofing Plumbing and Gas | Blenheim | Over 30 years of roofing experience |
| Profile Roofing Marlborough | Blenheim | The only Marlborough based approved applicator for Viking Roofspec me... |
| Paul Milne Roofing | Marlborough (Wellington based) | Approved butynol installer |
How to Choose the Right Roof Repair Company in Blenheim
- Ask whether they will trace the source of the leak or simply seal what you can see. Split flashings, perished washers and failed dektites each need a different fix.
- Match the roof to the roofer. Concrete tile, decramastic, longrun steel and butynol membrane are different skills in practice, so ask what they work on most.
- Check who holds the qualifications on your job, including licensed building practitioner registration and height safety training for the crew on the roof.
- Get the scope in writing, including access and scaffolding, and ask what workmanship warranty covers the repair once it is done.
- Work out whether repair or replacement is the better spend. A condition report or pre-purchase inspection gives you the numbers before you commit.
Frequently Asked Questions About Blenheim Roof Repairs
How much do roof repairs cost in Blenheim?
It depends on the fault, the roof type and how hard the roof is to get onto. A single flashing, dektite or fixing repair sits at the low end, while rust treatment across several sheets or a membrane repair costs more, and scaffolding is often the biggest single variable. Blenheim roofers generally quote free after looking at the roof, so get more than one written scope before comparing prices.
Do I need a building consent to repair my roof?
Straight repair and like for like replacement of roof cladding is usually covered by an exemption, but replacing a roof with a different material, altering the structure or changing the pitch can tip the job into consented work. Confirm it before the crew starts, either with Marlborough District Council or against the exemptions set out at building.govt.nz.
Does a roofer need to be a Licensed Building Practitioner?
Roof cladding contributes to the weathertightness of a house, so work on it can fall within restricted building work and need a licensed building practitioner to carry out or supervise it. Several Blenheim roofers hold that registration, and you can check any practitioner on the public register at lbp.govt.nz.
Should I repair my roof or replace it?
If the fixings, flashings and coating are sound and the failure is localised, repair is usually the cheaper outcome and can add years to the roof. Widespread rust, a coating that has failed across the whole roof, or repeated leaks in different places point to replacement. A condition assessment report or pre-purchase inspection is the practical way to decide, and several of the roofers above provide one.
How quickly can someone come out to a leak?
Urgent call outs are standard practice in Marlborough. Contour offers urgent call outs and roof reports, Paul Milne answers its phone around the clock for leaks, and Roof Riders takes storm damage callouts by arrangement outside its weekday hours. Expect a temporary fix first in wet weather, with the permanent repair booked once the roof is dry enough to work on safely.
What causes most roof leaks in Marlborough?
Long dry spells of intense sun followed by heavy seasonal rain put constant expansion and contraction stress on a roof. Fixings work loose, rubber washers dry out and crack under ultraviolet light, dektites around pipes harden and split, and flashings lift. Closer to the coast at Picton and Kaikōura, salt air also accelerates rust along the iron laps.
Can concrete tile and decramastic roofs still be repaired?
Yes. Both are common on older Blenheim homes and both are repairable rather than automatically due for replacement. Marlborough Roofing Plumbing and Gas has a certified roofer who started out on concrete tiles, and Paul Milne lists concrete tile and decramastic among the roof types it repairs and restores.
Is it safe to get up and fix the roof myself?
Falls from height are one of the most common causes of serious harm in New Zealand construction, and a roof combines height with a slippery, often brittle surface. Edge protection, scaffolding and harness work is why roofing crews carry height safety training, and the guidance for working at height is set out by WorkSafe New Zealand. Leave the roof to a roofer and use the ground for the inspection.
How We Chose the Best Roof Repairs in Blenheim
Every business in this guide was found by searching for roof repairs in Blenheim, then checked against its own website. Names, addresses and phone numbers are taken from the business’s own site rather than a directory feed, so what you see here is what they publish themselves. We also check that each one is actually based in or genuinely serving Blenheim, rather than a national operator running a local landing page. A business with no website of its own is not listed, because there is no primary source to verify it against.