Defenster is a leading double glazing company operating throughout Dunbartonshire and Greater Glasgow. With many years of experience in all aspects of window and door installation we have grown to be trusted, referred and recommended mainly because we remain to be among the minority of glazing companies who really take pride in every aspect of what we do.
Our UPVC windows are expertly designed and skilfully manufactured to provide you with high energy efficiency, all-around home comfort, exquisite beauty and lasting durability. They are extremely easy to operate and clean, they also require practically no maintenance and add value onto your home. Making an investment in our window systems will be one of the best choices you'll ever make!
Our UPVC windows are expertly designed and skilfully manufactured to provide you with high energy efficiency, all-around home comfort, exquisite beauty and lasting durability. They are extremely easy to operate and clean, they also require practically no maintenance and add value onto your home. Making an investment in our window systems will be one of the best choices you'll ever make!
Services
Windows
Report
Designed, manufactured and tested to the most stringent standards, the defenster range is everything you want and need in a window system for your home. Style, strength, security and one that's built to last. The Defenster range offers the most extensive range of profiles, giving the greatest possible choice of window and door options to suit any home.
Doors
Report
Designed for maximum security and ease of use, all Defenster doors are manufactured to the highest quality standards. Toughened safety glass provides optimal heat retention and sound-proofing properties. For the discerning customer, who wants to add more than just any new windows and doors to their home, the Defenster range provides the perfect solution - impressive design without compromise.
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