Window Repairs, Door Repairs, Steel Security Door Manufacture & Fitting, Door Entry Systems, Glasgow and central belt. Since 1998 we have been manufacturing our own steel doors and hinges - custom designed to support large, heavy close entrance doors. We have never had to return to any of our door fittings to renew, alter or adjust a hinge. A true benchmark
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