
1. Clean.
Chemical treatment and a water blast remove moss, mould, and grime.
Guardian Seal's liquid membrane system is designed to protect vulnerable roof areas and extend roof life. For suitable roofs, restoration can be a lower-cost alternative to full replacement. Guardian Seal restorations are backed by a 10-year warranty.
Your final scope and price are confirmed after your free assessment. Quotes are typically provided within 24–48 hours.

Stop small issues growing
A faded roof is annoying. A leaking one is different. Left unchecked, it works quietly: a stained ceiling today, timber rot behind the wall in a year, a big repair bill in three.
Guardian Seal is built for the roof in between: not brand new, not falling apart. If yours is faded, ageing, or showing rust and cracks, restoration is usually the lower-cost fix. The right call for your roof depends on its actual condition, which is what your free assessment is for.
The process
Four steps, without a full strip-off where restoration is suitable.

Chemical treatment and a water blast remove moss, mould, and grime.

Agreed repair areas are addressed before coating begins.

A primer ensures the coating bonds and lasts.

The agreed coating system creates a flexible, UV-resistant membrane.
Honest assessment
Not every roof should be coated, and we'll tell you if yours shouldn't be. Restoration suits a roof with a sound structure but a failing surface. It's the wrong call if the structure itself is compromised, since coating over that just hides a bigger problem.
Every quote starts with an assessment of your actual roof, not a generic price. If restoration isn't right, we'll say so in writing and point you elsewhere.
We'll tell you directly during the assessment, before any coating goes ahead.


Made for New Zealand
Each material has its own prep requirements. One system doesn't fit all roofs.
Protection that lasts
Guardian Seal is a flexible membrane system designed to protect the roof surface, including vulnerable cracks and joins. The agreed scope and warranty details are confirmed after assessment.


Clear, tailored pricing
Cost depends on roof condition, material, access, and region. Your itemised quote confirms the cleaning, preparation, repairs and coating system for your roof. Prices are confirmed in writing and exclude GST unless stated otherwise.
Flexible payment plans may be available, subject to approval and the applicable finance terms.
Local coverage
Auckland · Wellington · Hamilton · Tauranga, our busiest areas.
We also cover the wider Waikato, Bay of Plenty, Manawatu-Whanganui, Hawke's Bay, Northland, and Taranaki. Get in touch to confirm your area.

A practical place to start.
The Guardian Seal difference
A clear assessment, a roof-specific scope, and the details you need before making a decision.
We assess the condition before recommending a restoration.
Your quote outlines the preparation, repairs and coating system.
Your project documents confirm the scope, price and warranty details.

Start with a company that assesses your roof before quoting, not one that quotes before seeing it. Confirm what preparation is required, how existing corrosion or defects will be addressed, which coating system is proposed, what warranty applies, and what's included in the price. Every Guardian Seal quote sets out the agreed preparation, repairs and coating system in writing, alongside the applicable price and warranty.
It depends on your roof's size, material, condition, and access. We'll provide a written quote for your actual roof after assessment; unless stated otherwise, quoted prices exclude GST.
Most suitable projects are completed in around 2–4 working days. Timing is an estimate and depends on roof size, preparation requirements and weather.
These terms overlap and are often used interchangeably for work that extends an existing roof's life rather than replacing it, sometimes also called refurbishment. We generally use 'restoration' because the scope typically involves more than a single coat: assessment, cleaning, surface preparation, addressing agreed defects, then applying the appropriate membrane system. The actual condition of your roof and the agreed scope matter more than the label used.
Guardian Seal restorations include a 10-year warranty. We'll confirm the exact cover after assessment; your project warranty sets out the exclusions and claim process.
Restoration suits a roof that's still structurally sound but showing surface wear like rust, cracks, fading, or minor leaks. If the problem is isolated, a repair alone may be enough. Reroofing is the better option where the roofing system or structure has widespread deterioration or has reached the end of its serviceable life. We'll assess your roof and tell you honestly which situation applies.
Paint is cosmetic. It typically fades or peels within a few years and doesn't stop water getting in. Guardian Seal is a different category of product: a liquid membrane system designed to protect the roof surface and seal vulnerable areas, with warranty details confirmed after assessment. We only offer coating, not painting.
Our team does a thorough visual inspection, checking for discolouration, rust marks, soft spots, and deteriorated sealant, especially around flashings and joins. Identified repair areas are addressed as part of the agreed scope before coating goes on.
Yes. This is common on older pressed metal tile roofs, especially ones around 15 to 20 years old. We'll check the condition of the existing coating first to make sure a fresh application will bond properly, whether you're in Auckland, Wellington, or anywhere else in New Zealand.
Restoration is usually a one-off project, but we recommend a maintenance check every few years afterward to catch small issues early. If your roof only needs a clean or a minor repair rather than a full restoration, let us know and we'll advise honestly on what it actually needs.
Some asbestos roofs may be suitable for a restoration approach that avoids unnecessary disturbance. We'll assess the roof and confirm the proposed method, scope and any applicable warranty in writing.
Flexible payment plans may be available, subject to approval and the applicable finance terms. We'll explain the available options with your quote.
Auckland, Wellington, Hamilton, and Tauranga are our busiest areas. We also cover the wider Waikato, Bay of Plenty, Manawatu-Whanganui, Hawke's Bay, Northland, and Taranaki regions. Get in touch and we'll confirm availability for your area.
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