Insulation options
Hi.
I am looking for some advice on the different insulations options that can be used. I'm building an ICF property, so I've already got wall insulation. It's mainly for the floors and vaulted roof, in between the timbers. I'm insulating the roof of the garage now, with 150mm of Celotex and then I'm thinking of using a foil quilt for the thermal bridging.
PIR insulation is the worst material to work with and I don't want to use it again for the house roof, which will also be a
You can play with this calculator. I find it tremendous fun, but then again that's just me.
https://www.ubakus.com/en/r-value-calculator/?
I knocked up @Russell griffiths and @ProDave roofs.
Have a look at the Heat Protection page. Its shows much greater heat swings with the lower density insulation of PIR that with denser woodfiber. I'd be interested to know is this a problem in reality? Both have similar U values so should preform well in winter.
