TSR specialises in commercial sash window repair and refurbishment of timber, pvcu and aluminium sash windows in the Greater London area and Midlands.Generally sash windows are manufactured from timber, pvcu and aluminium. Most sash window systems can be economically restored for a fraction of new cost without the inconvenience and aggravation that accompanies renewal.We provide a timber sash service which includes repair of rotten timber employing proprietary system such as Repaircare Dry Flex system, the replacement of sash cords/chains, the installation of staff bead and parting bead with a proprietary draught proofing system also re glazing to achieve a higher thermal pe