We are rebuilding an old cottage and have only 120-130mm available for insulation underneath the UFH (probably in 55-65mm of liquid screed). What type of insulation, what suitable product, will give the most insulation?
Thanks!
Evening all,
Our slab was poured about 2 years ago now & with tiling down stairs now looking imminent I have been advised to heat shock the slab pre tiling (UFH). Starting off by increasing the temp by 1 - 2 degrees a day up to a max and then hold that temp for a week and then drop in b...