
Formerly Silverdale, Warkworth & Mangawhai Garage Doors
Your local garage door install & repair experts.
We're fast, reliable and affordable, and our reviews speak for themselves. Ring us and we'll get to you quickly.
What we do
Garage doors supplied, fitted and repaired, from a broken spring to a brand new door.

Sectional, roller, aluminium, cedar and light commercial, in a range of colours to suit your home.
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Quiet, safe and reliable Windsor door openers, with up to a 7 year motor warranty.
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Springs, cables, tracks and panels, from $180 + GST. Most faults sorted in one visit.
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From $180 + GST. Catch the problems before they get expensive.
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Autex insulation. Warmer in winter, cooler in summer, and a garage you can use as a room.
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New remotes supplied and coded, including replacements for older motors.
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Windsor garage doors
We fit Windsor doors, made in New Zealand
Windsor build their doors here in New Zealand, at their Auckland manufacturing facility. Their COLORSTEEL doors are our best selling range and carry a 10 year warranty against defects.
Colour
See the colour on your own garage
Take a photo of your garage, mark the door, and try every COLORSTEEL® colour on your actual house. Nothing is uploaded and nothing is stored. It runs in your browser.
Why people call us back
The sectional and roller doors we fit are manufactured at Windsor's Auckland facility. Building them here is what keeps the wait between quote and installation short.
Expect about two weeks from accepting the quotation to installation day. Specialist architectural doors and powder coated finishes take a little longer.
If your door has failed and the car is stuck inside, we aim to be with you the same day, and we will tell you straight away if we cannot.
Our best-selling range is locally manufactured NZ COLORSTEEL, with a 10 year warranty against defects. Standard non-COLORSTEEL doors carry 2 years.
Locally owned, serving Warkworth, Mangawhai and Silverdale. We know which products last in North Auckland conditions.
Our team gets it right the first time, which is why the Google reviews read the way they do.
Competitive rates, and we measure up and quote before you commit to anything.
Chris handles your job start to finish. No account manager in between.

The people doing the work
A family business you can trust
Chris owns Garage Door Group and still does the quotes himself. When you ring the number on the ute, he's the one who picks up, which is why nothing gets lost between the quote, the order and the install.
We started as Warkworth Garage Doors and grew into Silverdale and Mangawhai. Same team, same trucks, one name.
Talk to ChrisQuestions we get asked
It depends on the size of the opening, the type of door and whether you are adding a motor or insulation, so we quote after measuring rather than guessing over the phone. The measure and quote are free and carry no obligation. If your existing door can be repaired rather than replaced, we will tell you that instead.
Mostly it comes down to how the door will look against your house, and how close you are to the sea. The profile and the colour are what people spend the time on, so we bring samples to the free measure rather than leaving you to judge it off a printed swatch. Salt air is the other factor, because it is what ends a door near the water, and it decides between steel and aluminium. Headroom occasionally rules a sectional door out, and we check that while we are there.
Very often, yes, and we would rather do that. Springs, cables, rollers, sensors, seals and motors are all serviceable parts, and a repair on a structurally sound door costs a fraction of a new one. Replacement makes sense when panels are corroded or damaged, or when the door is old enough that parts are no longer available. We will tell you which you have.
We have technicians on the road across North Auckland and Rodney every day, so usually quickly. If your door is stuck, will not close or has a broken spring, phone rather than emailing and tell us what it is doing, because that gets you into the day's run. A door that will not close is a security problem and we treat it as urgent.
Yes, and that is most of our repair and servicing work. It makes no difference who supplied the door, who fitted it or how old it is. We work on sectional doors of any brand, residential and light commercial roller doors, aluminium and timber doors, and openers of any make. Bringing us in does not void a manufacturer warranty, and we will tell you if one still applies to your door.
Yes, in two ways. Take a photo of your garage, mark the door on our door builder, and try every COLORSTEEL colour on your own house before you speak to anyone. Then we bring physical samples with us to the free measure, so you can hold the real colour against your cladding and your roof, in the light the door will actually live in. A screen never quite matches what ends up on the wall, which is why we do both rather than one.
Where we work
Vans on the road across North Auckland and Rodney every day, from the three towns we are named after and down onto the Shore.
Warkworth, Matakana, Snells Beach, Point Wells, Omaha and the lifestyle blocks behind.
Silverdale, Millwater, Milldale, Orewa, Stillwater and the Hibiscus Coast.
Mangawhai, Mangawhai Heads, Langs Beach and Kaiwaka.
Takapuna, Milford, Glenfield, Birkenhead, Browns Bay, Torbay, Albany and Whangaparāoa.
From the bridge to the Brynderwyns
Talk to Chris, not a call centre
Drop us a line and we'll come back to you within 24 hours. Quotes are free and carry no obligation.
We're a family business. Chris owns it, quotes it and answers the phone himself, so you get a straight answer the first time you ask.