R-rating is how the level of insulation is measured. Walls are mostly R-16 or higher, ceilings and attics are mostly R-30 or ...
Mineral stone wool insulation batts are slightly better ... interested to learn that when they’re combined with special ...
The fire ripped through the west London tower block on 14 June last year The insulation that burned out of control on Grenfell Tower had never passed the required safety test and should never have ...