1812
Mud or straw was used in some places and snow in some places and other such available things were used to insulate homes before history was first recorded.
Some of the first homes on the plain were built of buffalo hides and held by wooden poles.
Gas and candles were used for lighting for the early day settler's homes. Fire places and pine knots dipped in tar also provide light in their homes.
They used a hand made stove that was made out of stone. And back then depending how far you are talking they used a camp fire in the home and that is how they heated there homes
Native Americans used a few different tools to make their homes. Some of the tools used were spears, bows, arrows, and arrow heads.
insulator
Old homes have terrible insulation.
Fiber glass.
Insulation was Banned in Canada in 1980. About 100,000 people had insulation in their homes.
for lighting homes
Newspaper was often used as an insulating or padding material beneath carpeting in older homes as a cost-effective and accessible option. It was a common practice before modern insulation materials became widely available.
For many years fiberglass was used as an insulator in homes. Technology over the years has introduced newer products for insulation, and one of the most popular types now is a spray foam insulation.
In the case of fiberglass insulation, it's silica, either from quartz or feldspars.
R19 can refer to insulation as well as to a form of explosives. The Renault 19 is a car which is sometimes calls an R19. R19 insulation is usually found as batts insulating the walls of homes.
for lighting homes
This question is impossible to answer. It makes no sense whatsoever. This question is unclear and confusing. Celotex is an insulation material used in homes.
This would depend on the type used. In newer homes, soy or bio-based spray insulation is being used that is non-toxic and earth friendly. But that is nowhere near the norm. Most spray foam insulation is made from toxic chemicals and can be very harmful if ingested.
It was used first thousands of years ago. It was used to heat homes in the later 1800"s.