Metal roof installation techniques vary greatly depending on the fastening system selected. For single skin roofing, there are three different fastening systems to consider: concealed, exposed and ...

We'll help you work out what type of roof or loft insulation to go for, how much it will cost, if you can get it for free, and how much you could save on your energy bills. Insulating different areas ...

Karen is an energy efficiency and sustainability specialist with 20+ years experience. At Which?, Karen cuts through the jargon to uncover the environmental issues that matter most to consumers and ...