About Us.

Roofmasters are your seamless membrane roofing experts.

We are a team of dedicated professionals led by Trevor Keast, a seasoned expert with over 27 years of specialised experience in the roofing industry.

Our commitment is to provide top-quality roofing solutions and ensure the safety and satisfaction of our clients across the South Island.

Meet Trevor Keast.

Trevor Keast, the managing director of Roofmasters, is a licensed building practitioner with all seven strands of roofing certifications.

His extensive qualifications include expertise in metal roof and cladding, liquid membranes, rubber membranes, torch on membranes, shingle roofing, and roofing metal tile concrete clay tiles.

Trevor's broad certification allows him to offer exceptional solutions and specifications for any roofing situation, distinguishing Roofmasters as a leader in the industry.

Our seamless membrane is a single-layer system that is available in varying thicknesses and with different warranty periods.

1mm

10

YEAR WARRANTY

15

YEAR WARRANTY

1.5mm

20

YEAR WARRANTY

2mm

Trust us to protect what matters most to you—your property.

Choosing Roofmasters means you are opting for a roofing partner who values integrity, quality, and safety.

Whether you're looking to install a new roof, repair an existing one, or require specialised roofing services, Trevor and his team at Roofmasters are equipped to provide lasting solutions.

Before

After

At Roofmasters, we prioritise health and safety above all else with all staff extremely proficient in harness work.

Our extensively trained team, backed by robust insurance policies, prioritises safety as a core part of our ethos, protecting both our clients and staff.

We ensure that all projects are completed to the highest standards, within the set timeframe and budget, with meticulous attention to safety. Adhering strictly to health and safety regulations, we maintain site-wise and site-safe registrations and qualifications.

Trevor holds a Class B Asbestos certificate, equipping him to assist with asbestos removal or encapsulation safely and efficiently.

From those who know us best.

  • Roofmasters is our go-to for any roofing project. Their professionalism and the quality of work are unmatched. Trevor’s expertise has saved us time and money, making every project seamless.

    Paula Ryan, Property Projects Officer, Timaru District Council

  • We have contracted on many occasions Roofmasters to fix persistent leaks for our clients. Trevor consistently offers up cost-effective solutions in a timely manner and have no hesitation in recommending Roofmasters and Trevor to other potential clients.

    James, CIPM Limited, Commercial Property Manager

Let us help you protect your investment.

Contact us to discuss how we can assist with your roofing needs.