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Duplus have over 60 years experience of designing and manufacturing high performance market leading innovative rooflights. Our products have been tested to the highest standards in terms of weather performance and security. Our Approved Document Part Q compliant rooflights meet the strict standards required to achieve Secure by Design accreditation. Also accredited with Dow Corning 'Quality Bond' certification and using state-of-the-art Dow Corning products, we can guarantee that our rooflights are manufactured to the highest standards in quality control, quality assurance and world class performance in structural silicone glazing. Many of our products have been used on numerous prestigious projects such as: Tate Modern and Savoy Hotel.
Reviews 269
Mr David Dolmans
May 28,2014Recomend this company for the future
Lynne Homer
May 28,2014Honest, helpful advice, great product and brilliant service. We will definitely be using Duplus as a preferred supplier.
Mr Michael Webb
Apr 30,2014Service, product and price very good.. They accommodated my late delivery request without any problems at all.. Very happy.
Mrs Suzie Ferguson
Apr 11,2014Gavin was very helpful . Quick speedy service. Many thanks
Sue Smith
Apr 10,2014We have just purchased and fitted Three 1m x 1.5m Flat Roof Lights supplied by Duplas.co.uk. The service I have received from my first telephone call for pricing information call exceeded my expectations, I had already spoken to several other supplier but Gavin was so helpful, professional and informative that I decided to purchase the roof lights from Duplas. They were delivered as promised within 48 hours - to cornwall. They have now been fitted by our builder, who said they were very easy to install and I LOVE the finished result ,very 'Grand Design'. We are extremely pleased with the service we have received by Duplas and would not hesitate to recommend them.
Mr Mark Waite
Mar 21,2014The complete service was great. From the advice given by Gavin in the planning stages right through to a great product delivered promptly.
Mr James Dutton
Mar 20,2014I ordered a 1.2 x 1.2 roof glass and was extremely pleased with the product when it arrived. Also when I ordered the company advised how long it would take to make and expected delivery date and they even beat it. Very happy.
Mr Nigel Holmes
Mar 12,2014I found from the on set that Gavin was very helpful and every question or query was answered the quality of the rooflight was excellent would recommend to anyone
Mr Jitendra Patel
Jun 20,2014I ordered a number of flat roof skylights from Duplus for my house that i am fully refurbishing and extending - the largest sizes being 2.25x2.m (for living room) and 2.5mx1.5m (for kitchen). The lights are amazing - the amount of natural light it brings into the house is wonderful, and to top it off the sleek flat profile design makes then really nice to look at from the outside (compared to those ugly domes you see on most extensions)! A very happy customer!!!! If anyone's interested in the photos (internal and external) please request from Duplus - i have sent some over to Gavin.