Dortech has undertaken a number of glazing maintenance projects at Sheffield Business Park, this was the latest contract to carry out commercial glazing maintenance to windows and doors. During our site survey, we found that many of the window handles had worked lose, so our teams set to work to resolve this for our customer as quickly and efficiently as possible.Susan Unwin, Sheffield Business Park Manager: “just to let you know Nicola at VOW was very pleased with the work your guys did she said they “did a fantastic job and were helpful and pleasant”.