The diffusion rate for this process depends on the temperature and on the thickness of solid insulation, on the area of contact between circulating oil and paper and on moisture content of paper.
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 by insulating your roof. Insulating different ...
If your home’s got cavity walls, fitting cavity-wall insulation can be one of the most cost-effective ways to improve your home’s energy efficiency and reduce your energy bills. Most homes built in ...