Trusted flat roofing specialists serving Bracknell

Flat Roofing Bracknell

Need flat roof repair, replacement, or a new installation in Bracknell RG12? We work on garages, extensions, dormers, bay roofs and commercial units, with clear advice, clean workmanship, and roofs built to handle British weather.

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Flat Roof Repair and Installation in Bracknell

Flat roofs fail for predictable reasons, water sitting in low spots, tired felt, poor edge detailing, or cracked finishes around outlets and trims. We inspect the roof properly, explain what needs doing, and fix the problem without guesswork.

Flat Roof Installation

If you are building an extension or upgrading an older flat roof, we install systems designed around proper drainage and strong waterproofing. The difference is in the prep and the finishing, so we take care with the deck, trims, upstands, and outlet areas where leaks normally start.
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Flat Roof Replacement

When a flat roof has been patched repeatedly or the membrane is failing across large areas, replacement is usually the smarter option. We remove the worn materials, check the structure underneath, then install a new flat roof that is built to last and easier to maintain.
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Flat Roof Repairs

From sudden leaks to ongoing damp patches, we carry out flat roof repairs in Bracknell that deal with the cause, not the surface. That might be renewing a damaged section, improving weak joints, or correcting drainage so water stops pooling after heavy rain.
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Flat Roof Inspections

A quick look from a ladder does not tell you much. We inspect the roof covering, edges, joins, outlets, and any previous repairs, then give you a straight answer on whether it needs a repair now, maintenance soon, or a full replacement.
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Emergency Flat Roof Repairs in Bracknell

If water is getting in, speed matters. We focus on stopping the ingress, protecting the inside of the property, and then carrying out a proper repair once conditions allow, so you are not stuck in a repeat cycle every time it rains.
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Flat Roofing for Bracknell Homes and Businesses

Bracknell has everything from newer developments to older properties with extensions and garage roofs, and flat roofing needs to suit the building, not a one-size-fits-all approach. We help you choose the right system based on foot traffic, sun exposure, roof size, and how the roof drains, so it performs properly year after year.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Flat Roofing Systems We Offer

Different roofs suit different materials. We walk you through the options in plain English, then recommend the best fit for your roof, your budget, and how long you want it to last.

EPDM Rubber Roofing

EPDM rubber is a strong option for many flat roofs in Bracknell because it handles temperature changes well and reduces leak risk through fewer joins. It works particularly well on larger flat roofs and modern extensions where a clean finish matters.

GRP Fibreglass Roofing

GRP creates a seamless finish that is ideal for dormers, garages, and smaller flat roofs where detail work around edges is key. Done properly, it is tough, neat, and low maintenance, but only if the base preparation and trims are spot on.

Torch-On Felt Roofing

Torch-on felt is a proven system and still one of the best value options when installed in the right layers with proper detailing. It is a great fit for many domestic flat roofs, especially when you want reliable performance without overcomplicating the build-up.

Liquid Roofing Systems

Liquid systems are useful when a roof has awkward shapes, lots of penetrations, or areas where a traditional membrane would need too many joins. Once cured, it forms a continuous waterproof layer that is ideal for refurbishments and complex roof layouts.

Why Flat Roof Problems Start in the Same Places?

Most flat roof issues in Bracknell show up at the edges, around outlets, and where water sits after rain. If those weak points are not detailed properly, even a “new” roof can fail early. We focus on drainage, trims, joins, and the condition of the deck underneath, because that is what stops call-backs.

1,000

+

Project Completed

97%

Customer Satisfaction

40+

Years of Experience

Trusted Roofing Services Across the
South East

Clear communication, tidy work, and a roof you can trust

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 assess the roof properly and explain your options without pushing you into the most expensive route.

Clear quote and scheduling

You get a clear quote and a realistic timescale, with no vague promises.

Installation, repair, and final checks

We complete the work carefully and double-check the common failure points before sign-off.

[FAQ]

Frequently Asked Questions

How long should a flat roof last?
What are common signs of flat roof damage?
Is it better to repair or replace a flat roof?
Is EPDM suitable for flat roofs in Bracknell?
Do flat roofs need maintenance?
Do you cover areas near Bracknell?
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