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Business Details
We are Duren Group, a Canberra-based roof restoration specialist dedicated to restoring and protecting homes across the region. Our team of professional tradesmen brings extensive expertise to every project, ensuring meticulous attention to detail regardless of scale. We specialise in comprehensive roof restoration for cement tile, terracotta tile, and Colourbond metal roofs using proven, climate-resistant processes. Our services include high-pressure cleaning at 5,000 psi, re-bedding and re-pointing with polymer-based flexible mortar, and application of premium acrylic membrane coatings. We exclusively use Rockcote Solar Protect, a durable acrylic membrane engineered to withstand Australia's harshest conditions while remaining safe for drinking water collection. Every job begins with a free roof inspection to identify potential issues before they escalate, reflecting our commitment to proactive problem-solving.

We replace damaged tiles, treat rust, and apply rust converters where needed, ensuring structural integrity before any cosmetic coating is applied. Our standard inclusions feature mould killer prewash, deep penetrating primer, multiple membrane coats in over 48 colours, and thorough site cleanup. We guarantee quality workmanship backed by honest, reliable service because we value our reputation as much as our clients value their homes. From gutter and fascia replacement to valley and penetration repairs, we deliver a complete roofing solution that adds value and protects your investment. Our professionalism and transparency mean you receive a durable, long-lasting result tailored to Australia's tough climate.
Highlights and features
  • We use Rockcote Solar Protect membrane for superior climate resistance.
  • Our 5,000 psi high-pressure cleaning removes all mould and contaminants.
  • We apply polymer-based flexible pointing that withstands structural movement.
  • Our free roof inspection identifies issues before they escalate.
  • We restore roofs to new condition adding property value.
Services
Cement Tile Restoration
We replace cracked tiles before pressure cleaning at 5,000 psi to remove mould, lichen, and old coating. Ridge caps are re-bedded in fresh cement and re-pointed with flexible polymer mortar to accommodate structural movement. A penetrating primer and multiple acrylic membrane coats in your chosen colour then seal and protect the roof.
Metal Roof Restoration
We treat surface rust with converters and replace severely corroded sheets before high-pressure cleaning the entire roof. Loose fasteners are replaced and a metal etch primer is applied to ensure optimal coating adhesion. Two or more acrylic membrane coats in your selected colour provide a durable, weather-resistant finish for Canberra conditions.
Terracotta Tile Restoration
Broken terracotta tiles are replaced before a strong mould killer is applied and the roof is pressure cleaned. Ridge caps are re-bedded and re-pointed with flexible polymer mortar to prevent cracking from thermal expansion. The process preserves the tile's character while delivering a sealed, protected surface ready for membrane coating.
Rockcote Solar Protect
Rockcote Solar Protect is a flexible acrylic membrane engineered to withstand Australia's harshest sun, rain, and temperature extremes. The coating resists dirt, mould, mildew, and fungi while remaining safe for potable water collection systems. We apply it over a suitable primer on tile, metal, or fibre cement roofs for long-term, low-maintenance protection.
High-Pressure Roof Cleaning
Our trained technicians use 5,000 psi water blasters to remove moss, mould, oil, and tree sap from all roof surfaces. Thorough cleaning is essential for coating adhesion and is the critical step where most roof restorations fail. We ensure every contaminant is eliminated so your new membrane bonds securely for maximum durability in Canberra's climate.