Flat Roof Repairs & Replacements in Bolton

Flat roof repairs and replacements for garages, extensions and dormers across Bolton and Greater Manchester. Speak to our team for practical advice and a clear written quotation.

Bolton-based team • Director with over 20 years of flat roofing experience • Clear written quotations

Practical advice for your home's flat roof

Whether your roof is leaking, worn or ready for replacement, we assess the covering, drainage and roof details before recommending the next steps. We explain whether a local repair is suitable or a replacement would be more appropriate.

Flat roofing for garages, extensions and dormers

Garage flat roofs

Repairs and replacement coverings for leaking or ageing garage roofs. We check the roof deck and drainage as part of assessing the work.

Extension flat roofs

Flat roofing for new and existing home extensions, with insulation, rooflights and edge details considered alongside the specified system.

Dormer flat roofs

Repairs and replacements for dormer roofs, including junctions and edge details that can allow water into the property.

Leaks and damaged coverings

We investigate visible defects and explain the repair options. The appropriate solution depends on the roof’s condition and the cause of the leak.

Roofing systems suited to your property

Single Ply Membranes

Lightweight single-ply roofing systems with welded joints, selected to suit the roof deck, fixing method and project specification.

Bituminous Felt Roofing

Multi-layer bituminous roofing systems for new and refurbished flat roofs, with detailing suited to the building and specified system.

Hot Melt

Seamless hot-melt waterproofing for suitable roof and podium applications, subject to the deck, build-up and project specification.

Liquid Waterproofing

Liquid-applied waterproofing for suitable roof surfaces and complex details, with preparation and reinforcement matched to the system.

Green Roof Systems

Waterproofing and roof build-ups for green roof projects, coordinated with drainage, vegetation and the design team’s requirements.

Planned Maintenance

Regular inspections, drainage checks and preventative repairs to help protect flat roof coverings and identify developing defects.

How to arrange your roofing quotation

1. Tell us about your roof. Send your postcode, whether it is a garage, extension or dormer, and a short description of the problem.

2. We discuss the next steps. We will explain what information or inspection is needed to assess the work.

3. Receive a written quotation. We set out the proposed work so you can make an informed decision.

Flat roofing in Bolton and Greater Manchester

We install, replace and repair flat roofs for garages, extensions, dormers and commercial buildings across Bolton and Greater Manchester. We also welcome flat roofing enquiries for commercial projects across the UK.

The right system depends on the roof deck, insulation, drainage, access and project specification. We assess these before recommending a new covering or repair.

Repair or replacement?

A localised defect may be suitable for a repair. Where deterioration is widespread, we can discuss replacement options, insulation upgrades and drainage improvements. A roof survey helps establish the next steps.

Questions about your flat roof

Does a leaking flat roof always need replacing?

No. A localised defect may be repairable if the surrounding covering and roof deck remain sound. Widespread deterioration or repeated leaks may make replacement more appropriate; an assessment helps establish this.

How much will the work cost?

The cost depends on roof size, access, the existing covering and deck, insulation, drainage and the proposed system. We provide a written quotation for the assessed work.

Which areas do you cover?

We are based in Bolton and carry out domestic flat roofing work across nearby Greater Manchester areas. Send your postcode so we can confirm availability for your location.

Do you also work on commercial roofs?

Yes. We also deliver commercial roofing and work with main contractors. For this page’s domestic enquiries, tell us about your home, garage, extension or dormer.

Tell us about your roof

Complete the form below with your postcode and a brief description of the work. Select Flat Roofing or Roof Repairs in the service menu.

Prefer to speak to us? Call 07474 989027.

You can also email enquiries@monsonroofinggroup.com.

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