Commercial Roof Repairs, Installs Christchurch
Expert commercial roofing for new builds, reroofs, and repairs across Christchurch and Canterbury. From cool stores to warehouses and large flat roofs, Roofmasters deliver certified waterproofing systems built to last.
Keep your property leak-free and compliant with Roofmasters Christchurch certified commercial roofing contractors specialising in flat roof waterproofing, membrane repairs, and leak prevention across Christchurch, Canterbury & the South Island.
At Roofmasters Christchurch, we specialise in both new commercial roof installations and professional repairs. Our certified team installs and restores watertight Butynol, WaiSeal Pro, TPO, and PVC systems designed for flat and low-slope roofs across the South Island. Whether you’re constructing a new facility or extending the lifespan of an existing one, we provide tailored membrane and waterproofing solutions for every scale of commercial project.
With more than 25 years of experience in membrane and flat roofing, our certified team restores waterproofing fast — using Butynol, WaiSeal Pro, TPO, or PVC systems to keep your business running without disruption.
New Roof Installations & Reroofing for Commercial Buildings
Whether it’s a new commercial build, a reroofing project, or urgent membrane repair, Roofmasters Christchurch deliver watertight, long-lasting results for every scale of property.
Our certified team installs and restores flat and low-slope roofs for cool stores, factories, retail complexes, warehouses, and apartment blocks throughout Canterbury and the South Island.
Using proven systems like Butynol, WaiSeal Pro, TPO, and PVC membranes, we design roofs that meet the highest thermal and waterproofing standards keeping your building efficient, dry, and compliant year-round.
Led by Trevor Keast, a qualified roofer with seven certifications, Roofmasters ensures your roof remains durable with minimal disruption to your operations.
We are highly proficent with…
Skylight Replacements
Energy-efficient skylight and translucent panel replacements that improve light and insulation for large industrial and retail buildings.
Rust Repair & Surface Restoration
Targeted repair and resealing of corroded metal or membrane surfaces to restore full waterproof integrity and extend roof lifespan.
New Flat Roof Installations
We install new commercial flat roofs for warehouses, cool stores, and industrial complexes throughout Christchurch and Canterbury. Every project uses certified membrane systems such as Butynol, WaiSeal Pro, TPO, and PVC for long-term durability and weatherproof performance.
Commercial Reroofing
Our reroofing and overlay systems give aging roofs a new lease on life — eliminating leaks, corrosion, and pooling without removing the existing structure. This is an efficient, cost-effective solution for metal, membrane, or composite roofs still in serviceable condition.
Fixings & Flashing Replacement
We reseal joints, bolts, and seams with precision to eliminate leak paths and maintain a watertight seal, even on complex or irregular roof profiles.
Membrane Upgrades for Efficiency and Compliance
Roofmasters upgrade old roofing systems with high-performance seamless membranes that improve thermal efficiency, reduce energy costs, and meet modern compliance standards — ideal for commercial and industrial facilities across Canterbury.
Why Choose Roofmasters Christchurch?
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When leaks, corrosion, or storm damage occur, our Christchurch-based team responds quickly. We provide fast site assessments and durable membrane repairs with minimal downtime for your operations.
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We design solutions for each property’s needs thermal performance, hygiene compliance, or load-bearing requirements and support architects and facility managers with specification advice.
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Every membrane installation comes with warranty-backed protection and periodic maintenance plans, ensuring decades of watertight performance under New Zealand conditions.
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From new flat roof builds to reroofing upgrades on cool stores, warehouses, and retail centres, we deliver watertight, energy-efficient results designed for longevity. Our reroofing systems often extend roof life by 10–20 years without full replacement.
Talk to Roofmasters about your next commercial roofing project — from design consultation to certified membrane installation across Christchurch, Canterbury, and the South Island.
Got a Leak — or Planning a New Roof?
Roofmasters Christchurch are the go-to specialists for commercial roof repairs, reroofing, and new flat roof installations.
Whether you’re dealing with leaks, corrosion, or planning a large-scale upgrade, our certified installers provide fast, high-performance waterproofing solutions designed to last.
Leaks worsen over time — but so does roof fatigue. Our reroofing and overlay systems can restore older membranes and metal surfaces without full removal, saving time and cost while keeping your business watertight.
Talk to us today for a free site inspection, condition report, or new roof specification review.
Serving Christchurch, Canterbury, and the wider South Island.
Hear from those who know us best.