We recently took delivery of a load of Black Mountain Thermalflex insulation. After long chats with Andrew Evans we decided to try this instead of our originally planned sheep’s wool. One of the deciding factors for us was its greater resistance to slump and its improved sound absorption. The product is more rigid than wool so holds it shape more easily in the roof and stud walls.
On the application side we found it pretty easy to install, coming in a convenient 380 width for our 400 centres studs.
Cutting was easiest with a serrated knife. It was suggested that an electric carving knife is THE best but we found a good old bread knife pretty good. One thing we did find was that the product was much harsher on the eyes than the wool we had used previously… so our recommendation, WEAR GOGGLES, especially if you are working overhead. We all had red irritable eyes for the first day after we put it in…
You can download the ThermalFlex tech sheet and get a bit more information on it. We found the company easy to talk to and very responsive to enquiries. We plan to use them for our rigid board insulating sarking for the roof too.
Oh yeah, check out John’s curved wall using 2 sheets of flexible 6mm plasterboard layered together…
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