In a semi-detached house, insulating your roof ... When installing a new timber floor it is also a good opportunity to insulate under the original subfloor or install underfloor heating ...

An estimated 250,000 homes in the UK have spray-foam insulation, said the BBC. And, because much of was it installed under the previous ... "in fear of losing" their house, said the i news site.

But 9 out of 10 homes in the U.S. are under-insulated ... Many places in a house, including attics, walls, floors, and basements. Pros: Cellulose insulation, made of recycled paper and wood ...