Best Roof Replacement in Blenheim: Trusted Experts You Can Count On

Replacing a worn out roof is one of the bigger jobs a Marlborough home will ever need, and the best roof replacement in Blenheim comes down to the contractors who strip, flash and re-lay the iron themselves. The companies below carry out full re-roofs in long run Colorsteel, membrane and tray systems, on everything from single storey homes to commercial buildings. Roof Riders and Profile Roofing Marlborough both work out of Blenheim, with Contour Roofing installing from its Kinross Street branch.

1Roof Riders

Roof Riders is a locally owned Blenheim roofing company whose headline service is residential re-roofing, turning old iron, concrete tile and decramastic roofs into modern weather-tight Colorsteel. The team works across Blenheim, Picton, Renwick, Havelock, the Marlborough Sounds, Seddon, Ward and south to Kaikōura. It suits homeowners who want the whole replacement handled, from scaffolding and edge protection through to the final inspection.

Services

• Residential re-roofing and retrofitting in long run Colorsteel
• New roof installations for new builds and additions
• Roof repairs and maintenance, including flashings, loose iron and rust treatment
• Spouting, gutters and downpipes sized for heavy Marlborough rain
• Asbestos roof replacement, with licensed removal by DJR Asbestos and the new roof installed by Roof Riders

Highlights

• One hundred percent Marlborough owned and operated
• Licensed, insured and Prequal certified
• Free detailed quotes covering materials, scoping, scaffolding and timelines, with photo based quoting for the Sounds and Kaikōura followed by a site visit
• Matches roofing profiles to your distance from the water line so coastal salt spray does not void the material warranty

Location & Contact

Name: Roof Riders
Address: Blenheim
Phone: 022 078 7704
Website: roofriders.co.nz

2Profile Roofing Marlborough

Profile Roofing Marlborough is a locally owned Blenheim roofing company that took over the long established Bainbridge Building & Roofing in December 2022, dropped the building side and kept the roofing. The team covers residential reroofing through to large commercial projects, and it is the only Marlborough based approved applicator for Viking Roofspec membrane products. It suits owners of both houses and commercial buildings who want steel and membrane roofing from the same crew.

Services

• Reroofing of existing homes and buildings
• New long run steel roofing in New Zealand made Colorsteel
• Membrane waterproofing and warm roof systems
• Spouting and rainwater goods, new installations and repairs
• Commercial roof maintenance and metal wall cladding

Highlights

• The only Marlborough based approved applicator for Viking Roofspec membrane products
• Member of the Roofing Association of New Zealand
• Family owned, continuing the Bainbridge Building & Roofing operation bought in December 2022
• SiteWise certified with documented health and safety monitoring, and Site App Pro members
• Founded by an owner with close to twenty years across roofing manufacturing, installation, sales and management

Location & Contact

Name: Profile Roofing Marlborough Ltd
Address: Blenheim
Phone: 03 579 3500
Website: profileroofingmarlborough.com

3Contour Roofing

Contour Roofing runs a Blenheim branch on Kinross Street alongside its rollforming factory in Stoke, Nelson, and offers roof replacement as an installed service rather than supply only. Its re-roofing team meets you at the property, assesses the existing roof, then measures and photographs it to prepare the quote, and can replace butynol, steel and concrete tile roofs with new lightweight Colorsteel. It suits residential, commercial and industrial owners who want the material, the installation and any insurance reinstatement handled by one company.

Services

• Replacement roofing across butynol, steel and concrete tile roofs
• Long run and tray roofing, rollformed in the company’s own factory
• Rainwater systems, roof repairs and maintenance
• Commercial and industrial roofing and wall cladding

Highlights

• Installation carried out by its own site teams, with Licensed Building Practitioners overseeing the building work
• Workplace safety management practices accredited to the highest ACC tertiary level, with site staff holding Site Safe passports and working at heights qualifications
• Condition assessment reports that set out the case for repairing or replacing before you commit, and insurance reinstatement work alongside assessors

Location & Contact

Name: Contour Roofing Ltd
Address: 35 Kinross Street, Blenheim 7201
Phone: 03 577 7720
Website: contour.nz

Roof Replacement in Blenheim at a Glance

How to Choose the Right Roof Replacement Company in Blenheim

• Check that the company installs as well as supplies. Some Blenheim roofing names manufacture and sell the material, then refer you on to a separate installer.
• Ask what the quote includes. Scaffolding, edge protection, underlay, flashings, spouting and disposal of the old iron all sit inside a full re-roof price, and leaving one out makes a quote look cheaper than it is.
• Match the material to your site. A house in Picton or on the Sounds carries far more salt spray than one in central Blenheim, and the profile and coating need to suit that exposure for the warranty to hold.
• Confirm who is responsible if asbestos is found. Older cement based roofing needs a licensed removalist, and the roofer should tell you upfront how that part is handled.
• Look for local track record and safety accreditation. Site Safe passports, SiteWise or Prequal certification and Licensed Building Practitioner oversight all show the crew on your roof is working to a documented standard.

Frequently Asked Questions About Blenheim Roof Replacement

What does a roof replacement in Blenheim cost?

None of the Blenheim roofers publish fixed prices, because the cost turns on roof size, pitch, how many valleys, skylights and chimneys need flashing, whether scaffolding is required and what the old roof is made of. Stripping heavy concrete tiles or a cement based roof costs more than replacing corrugated iron. Every company listed here quotes free of charge, so getting two or three written quotes on the same scope is the only reliable way to price the job.

Do I need a building consent to replace my roof?

A like for like roof replacement is usually exempt from building consent under Schedule 1 of the Building Act. Consent is generally needed once the work changes the structure or the load, for example swapping heavy concrete tiles for lightweight steel, altering the roof framing or changing the pitch. The exemptions are set out on the Ministry of Business, Innovation and Employment building site at building.govt.nz, and your roofer or the Marlborough District Council can confirm which side of the line your job falls on.

How long does a re-roof take?

For a standard single storey house being upgraded to long run iron, the roofing work itself commonly runs three to five working days in clear weather. Add a few days either side for scaffolding to go up and come down. Complex roofs, heritage homes with changes in pitch, and roofs with multiple chimneys, skylights or pipe penetrations take longer because the flashings are custom made.

Can I stay in the house while the roof is replaced?

Yes. Roofers work in staged sections and seal the house before leaving site each day, so the building stays weather-tight throughout. Expect daytime noise and vibration, and plan around dust in the ceiling cavity if the old roof is being stripped.

Should I repair my roof or replace it?

A single leak, a lifted flashing or a small area of damage is usually a repair. Replacement makes more sense when the wear is widespread: deep rust and flaking metal, degraded fixings, repeated leaks in more than one place, or an original corrugated iron roof at the thirty to fifty year mark that needs constant patching. A good roofer will inspect and tell you honestly which one you are looking at, and some provide a written condition assessment.

What roofing material suits Marlborough conditions?

Pre-painted long run steel is the default across the region because it is light, quick to install and copes with strong sun and wind. Coastal exposure is the deciding factor on grade and coating: homes near the water in Picton, the Sounds or Rarangi need a marine grade specification, while an inland Blenheim house has more options. Membrane systems are used on flat and low pitch roofs where steel will not shed water properly.

What happens if my old roof contains asbestos?

Older cement based roofing and some decramastic products can contain asbestos, and removal is regulated work that a licensed removalist must carry out. The usual arrangement is that the roofer manages the project and installs the new roof while a licensed contractor removes the old material. WorkSafe New Zealand sets the rules and licence classes at worksafe.govt.nz.

What qualifications should a roofing contractor hold?

Roofing itself is not a licensed trade, but structural work associated with a re-roof is restricted building work and must be carried out or supervised by a Licensed Building Practitioner, whose registration you can check on the register at lbp.govt.nz. Beyond that, membership of the Roofing Association of New Zealand, SiteWise or Prequal safety certification, and public liability insurance are the practical marks of a contractor who works to a documented standard.