Trusted flat roofers for Wokingham homes and businesses

Flat Roofing Wokingham

Need flat roof repair, replacement, or a new installation in Wokingham? We cover RG40 and RG41 and work on garages, extensions, dormers, commercial units, and larger flat roofs, with straightforward advice and tidy workmanship.

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Flat Roof Repair and Installation in Wokingham

Flat roofs in Wokingham commonly fail around edges, outlets, and joins, especially where water sits after heavy rain. We inspect the roof properly, explain what is going on, and fix it the right way.

Flat Roof Installation

If you are building an extension or upgrading an older roof, we install flat roofing systems designed for proper drainage and long-term waterproofing. We focus on the details that stop leaks, including trims, upstands, and outlet areas.
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Flat Roof Replacement

When a flat roof is past repair, replacement is often cheaper than repeated patch jobs. We strip the failing materials, check the deck condition, then install a new system that is built to cope with day-to-day wear and British weather.
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Flat Roof Repairs

From sudden leaks to persistent damp patches, we carry out flat roof repairs in Wokingham that deal with the cause, not just the symptom. That might mean renewing damaged sections, resealing weak points, or improving drainage to stop repeat issues.
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Flat Roof Inspections

A quick look is not an inspection. We check the surface condition, edges, outlets, and any previous repairs, then tell you honestly whether you need a repair now, maintenance soon, or a full replacement.
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Emergency Flat Roof Repairs in Wokingham

If water is getting in, you need a fast response and a calm plan. We prioritise stopping ingress, protecting the interior, and then carrying out a proper repair once the roof is safe and dry.
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Flat Roofing for Wokingham Properties

Wokingham has a mix of modern estates, older houses with extensions, and busy commercial spaces, and flat roofs behave differently on each. We recommend systems based on how the roof is used, foot traffic, sun exposure, and drainage, so you end up with a roof that performs, not one that needs constant attention.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Flat Roofing Systems We Offer

Choosing the right material matters. We explain the pros and cons in plain English and match the system to your roof, whether you want maximum lifespan, lowest maintenance, or the best value.

EPDM Rubber Roofing

EPDM rubber is a strong choice for many flat roofs in Wokingham. It is flexible, handles temperature changes well, and can be installed with fewer joins, which reduces common leak points.

GRP Fibreglass Roofing

GRP creates a seamless finish that works well for garages, dormers, and extensions. Preparation is everything with GRP, so we take care with the base, trims, and curing, which is where many installations fall short.

Torch-On Felt Roofing

Torch-on felt is still a reliable system when installed properly in layers with clean detailing at edges and outlets. It is a good option for those who want a proven system with solid value and straightforward maintenance.

Liquid Roofing Systems

Liquid-applied systems are ideal for awkward roof shapes, roofs with lots of penetrations, or refurbishment work where a continuous waterproof layer is needed. Once cured, it forms a seamless barrier that helps reduce leak risk around tricky areas.

Why Flat Roof Issues Keep Coming Back

Most repeat flat roof problems are caused by two things, water that has nowhere to go, and repairs that only cover the surface. We focus on drainage, edge detailing, and the condition of the deck underneath, so the fix lasts longer than a single winter.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Trusted Roofing Services Across the
South East

Work that is explained clearly, completed properly, and left tidy

Removal of Chimney stack, replacement of roof underlay, guttering and flat roof repair. - Mitchell from Alliance Roofing & Building was the only builder, of many that I had contacted, that climbed a ladder to inspect my flat-roof and to climb into my loft-space to inspect the main roof from the inside. After an extensive review of my property and discussing my options, he emailed me his quotation on the same day. Booking in dates for Alliance & Roofing to commence work was quick and effortless. They arrived on time, completed the work as planned to a professional standard. Provided Photos of work carried out at all stages. I highly recommend Alliance Roofing & Building.

Checkatrade Verified reviewer - Job location: SL3

New roof on my bungalow - I recently had the pleasure of working with Alliance Roofing and Building to install a new roof on my bungalow, and I couldn't be more satisfied with the results. From start to finish, the entire process was smooth and professional. Mitchell, who led the project, was exceptional. His expertise and dedication were evident from the moment he arrived. He and his team were not only highly skilled but also incredibly helpful and courteous throughout the entire job. They took the time to answer all my questions

Checkatrade Verified reviewer - Job location: SL3

New slate roof - Mitchell and his team installed my new roof and I'm very satisfied. The quality is superb, they were professional, punctual, and communicative. The project finished on time and the site was left spotless.

Checkatrade Verified reviewer - Job location: SL9

Guttering repair - Mitchell came to repair my guttering, he was on time, polite, efficient and conscientious. He kept me informed at each stage of the work that was needed.

Checkatrade Verified reviewer - Job location: SL4

Roof repairs - Mitchell repointed a chimney and installed a chimney cowl. He also did some cementing work to the roof. Mitchell was very polite and a conscientious worker. He kept me informed throughout the job. Mitchell was able to give me a quote and do the repair work within a few days. I wouldn’t hesitate to recommend Alliance Roofing & Building.

Checkatrade Verified reviewer - Job location: SL6

Replacement of flat roof - Mitchell and his team are smart, communicative, skilled, friendly, helpful, trustworthy and reliable. I would highly recommend their roofing services.

Checkatrade Verified reviewer - Job location: HP4

Roof tile replacement and chimney repair - Mitchell and his team are reliable, efficient and hard working. We will certainly use them again in the future. Thanks guys

Checkatrade Verified reviewer - Job location: SL6

Chimey Removal & Other Minor Repairs - Mitchell was the only roofer who quoted for the job that actually took the time to go up on the roof to inspect the issue, which was appreciated at the time. He fitted us in around other jobs within 2 weeks to get the work done in a timely manner. The work (which included the removal of a chimney stack to below the roof line, repointing the ridge line, and various other patch repairs) appears to have been completed to a good standard (posting days after completion). Mitchell and his team were polite, conscientious and happy to help throughout the job.

Checkatrade Verified reviewer - Job location: SL6

Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.

Checkatrade Verified reviewer - Job location: SL6

Roof repair - Great, really friendly and nice team

Checkatrade Verified reviewer - Job location: SL6

Tile realignment/repair and felt renewal - Mitchell and his team were excellent. Would definitely recommend Alliance. The team were on time (in fact they were able to begin the job half a day earlier than initially discussed), polite, efficient and kept us informed of progress each day. We could not have asked for a better service.

Checkatrade Verified reviewer - Job location: SL6

Roof verge repair. - Mitchell was polite, friendly and knowledgeable. The team were polite and efficient. The work was completed for the price quoted, which was competitive, and in the timeframe advised.

Checkatrade Verified reviewer - Job location: HP13

repair of box gutter behind parapet wall - Mitchell undertook a detailed diagnosis of the work required, started the job quite quickly and completed it satisfactorily.

Checkatrade Verified reviewer - Job location: HP16

Leak in the roof- Very polite and professional. Job was completed professionally at a very good price. Would highly recommend

Checkatrade Verified reviewer - Job location: SL6

New slate roof - Mitchell and his team installed my new roof and I'm very satisfied. The quality is superb, they were professional, punctual, and communicative. The project finished on time and the site was left spotless.

Checkatrade Verified reviewer - Job location: SL9

Roof repairs - Mitchell repointed a chimney and installed a chimney cowl. He also did some cementing work to the roof. Mitchell was very polite and a conscientious worker. He kept me informed throughout the job. Mitchell was able to give me a quote and do the repair work within a few days. I wouldn’t hesitate to recommend Alliance Roofing & Building.

Checkatrade Verified reviewer - Job location: SL6

Roof tile replacement and chimney repair - Mitchell and his team are reliable, efficient and hard working. We will certainly use them again in the future. Thanks guys

Checkatrade Verified reviewer - Job location: SL6

Chimey Removal & Other Minor Repairs - Mitchell was the only roofer who quoted for the job that actually took the time to go up on the roof to inspect the issue, which was appreciated at the time. He fitted us in around other jobs within 2 weeks to get the work done in a timely manner. The work (which included the removal of a chimney stack to below the roof line, repointing the ridge line, and various other patch repairs) appears to have been completed to a good standard (posting days after completion). Mitchell and his team were polite, conscientious and happy to help throughout the job.

Checkatrade Verified reviewer - Job location: SL6

Fixed the roof, including all the felting and repaired the chimney. - Good communication throughout. Good work. Very happy with the service.

Checkatrade Verified reviewer - Job location: SL6

Roof repair - Great, really friendly and nice team

Checkatrade Verified reviewer - Job location: SL6

Tile realignment/repair and felt renewal - Mitchell and his team were excellent. Would definitely recommend Alliance. The team were on time (in fact they were able to begin the job half a day earlier than initially discussed), polite, efficient and kept us informed of progress each day. We could not have asked for a better service.

Checkatrade Verified reviewer - Job location: SL6
REVIEWS
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Our Process
Inspection and advice

We inspect the roof, talk you through what we find, and recommend the right option.

Clear quote and scheduling

You receive a clear quote and a realistic schedule, with no guesswork.

Installation, repair, and final checks

We complete the work carefully and check the vulnerable points before sign-off.

[FAQ]

Frequently Asked Questions

How long does a flat roof typically last?
What are the signs my flat roof needs repair?
Is it better to repair or replace a flat roof?
Is EPDM a good choice for flat roofs in Wokingham?
Do flat roofs need maintenance?
Do you cover areas near Wokingham too?
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