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Leak Detection Specialists

in Manchester

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Roof Repairs

Leak Detection


Leak Detection Surveys


99% success rate in locating leaks

We pride ourselves in being ‘The Best’ in the industry, using more than one method of detection to confirm and accurately identify water leaks.

We operate our own access platforms

We use all the most modern test equipment is to find the leak accompanied with over 20 years of fault-finding experience.


Roof Repair Services


Having worked in the roofing industry for many years, we know just how frustrating and worrying it can be to find a hole or leak in your roof.

At Gap Roofing, we take the hassle out of leak management and cleaning where needed. All under one roof. All it takes is one simple phone call and one of our experienced roofers / surveyors will then arrange to visit your property as soon as possible and carry out required roof repairs if possible on the first visit.


Flat Roof Installations


Gap roofing services installs a wide range of Single ply roofing membranes and liquid coatings that are strong & flexible.

The thickness of these membranes and coating can range 1.1mm to 2mm. Some products are homogeneous, others reinforced with glass fibre or polyester scrim, depending upon the application. The single ply roof systems are fully cold applied using adhesive or can be mechanically fixed.

flat roof

Preventive Maintenance Services


Extend asset life using a preventative maintenance plan

Commercial Roof Maintenance

Roofs and Roofing Details: These should be inspected at least twice a year, particularly before and after harsh weather conditions that may damage the roof. An unmaintained roof can lead to leaks and therefore building damage.


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Don't just take our word for it...

We have used GAP Roofing for a number of years and found them extremely reliable. They are always at the end of the phone ready to respond quickly to our needs. Their repairs are thorough and consistently done to a high standard.

Paul Seddon, Head of Buildings, Facilities and Fleet Kids Allowed Ltd