Insulating the exterior walls

alexhunt Bright Green News, New Project Leave a Comment

So this week we have finished the demolitions – the next step has been to begin the lining of the exterior front and rear walls with Poly-isocyanurate (PIR) insulation – now although this is not the most natural of materials (it is made from oil after all), it does have an extremely good thermal resistance (otherwise known as lamda – …