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Alast have installed Topseal GRP flat roofing onto a diverse range of properties for clients varying from building contractors and renovators to private individuals and commercial and public end users. No matter who it is we are working for or what kind of roof building we are undertaking, our team always deliver reliably consistent high quality workmanship and really strong customer service.

From the initial property survey to the finishing touches we provide a personalised, professional and helpful building and roofing service full of simple advice on best maintenance practice.

We are proud to generate a great deal of our work from customer recommendations as a result of our high roof installation, repair and maintenance standards, enjoying working throughout the North and West Yorkshire region and beyond including Leeds, York, Bradford, Wakefield, Sheffield, Hull, Rotherham, Bolton, Barnsley, Huddersfield, Nottingham, Harrogate and Manchester; you can see what just a few of our recent customers have had to say in the testimonials below.

"I was so pleased with the high quality workmanship and customer service of that offered by Alast. The Alast team were very professional, knowledgeable, reliable and helpful right from my initial enquiry through to the roofing product being installed. I was thrilled with the end product - my new roofs look spectacular, are of a very high standard and as a result are the envy of the neighbourhood! I can't recommend Alast enough - you won't be disappointed."

Mr M, Leicester, East Midlands

"May we congratulate your company on such a high standard of building and roofing workmanship. Your staff are excellent. Caring tidy - and a credit to the company."

Mr & Mrs G, Leeds, West Yorkshire

"Thank you for the job you did on my garage roof. The team were very professional and hardworking with an A class finish."

Mr D, Nr Wetherby, West Yorkshire

"Stefan and his team were outstanding from start to finish, they dealt with any problems during the construction of the GRP flat roof and at no stage did they give me any cause for concern; they did exactly the job at the price agreed. It makes a nice change to deal with such an honest company."

Mr & Mrs P, York, North Yorkshire

"A great roofing and rendering job, well done!! Thanks."

Mr L, Harrogate, North Yorkshire

"I’d like to thank Karl and Stefan for getting out so quickly to sheet our flat roof. The end product now looks great and the staff were a credit to the company."

Mrs P, Leeds, West Yorkshire

"Hi Stefan, thanks for all your hard work and effort on our job. Both the new fascia & guttering and the GRP roof installation look fantastic and we would like you to go ahead and render our balcony asap. It’s great to find a firm that gives 100%."

Mr C, Wakefield, West Yorkshire

"Thank you to the Alast Exteriors Team for my new pitch roof – the new dry ridge system is a great improvement too!"

Mrs C, Rotherham, South Yorkshire

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