Trideniel Aluminium & Glass is the leading provider of specialist sliding door repairs, sliding door glass replacement and installation services in Sandton, Randburg, Pretoria East, Johannesburg, Roodepoort and the East Rand. As Gauteng's No. 1 Sliding Door Repairs Service! with branches in Johannesburg and Pretoria, we repair your sticking sliding doors, derailed folding doors to unhinged office doors. We have the proven expertise and experience to repair or install any aluminium sliding, hinged, stacking or folding door or window or shopfront for residential, commercial and diplomatic customers in the Gauteng region.Established in 2009, we have undoubtedly established ourselves as the leading sliding door repairs service provider in Gauteng. Over the years we have amassed hundreds of satisfied residential, corporate and diplomatic customers because of our keen interest in providing the best possible sliding door repairs service at all times. Our pricing is straightforward and competitive and our comunication channels are designed to make your sliding door repairs experience as seamless as you would expect it to be.