Ceiling Vermiculite Asbestos, Asbestos Removal In Ottawa Need Vermiculite Abatement In Ottawa

However after around six decades of vermiculite mining under the trading name of zonolite it was discovered that the vermiculite was contaminated with naturally occurring tremolite actinolite asbestos fibres.

Kelly lawrence schernik. Vermiculite was a common attic insulation product sold from the late 1920s to the early 1990s. A heat treated form of vermiculite was used to make fire resistant ceiling and insulation panels. How can i tell if my ceiling contains asbestos.

So to be safe treat all vermiculite insulation as if it contains asbestos. In florida banks will not finance any home with vermiculite ceilings or aluminum wiring. Vermiculite insulation granules assume asbestos contamination.

These panels contain puffed pockets of air giving them a textured appearance. Unfortunately almost all vermiculite insulation contains asbestos and is unsafe when disturbed. Vermiculite ceilings were popular spray applied ceiling finishes of the sixties seventies and well into the eighties.

Not all vermiculite products contains asbestos. Sprayed insulation vermiculite or popcorn asbestos ceiling. Also known as an acoustic or vermiculite ceiling a popcorn ceiling is a spray on textured ceiling finish.

Not only did it function as an acoustic coating but was also used as a decorative texture finish when sprayed directly over concrete substrates or alternatively when sprayed over some type of mesh such as expanded metal lath. Although this finish was used between the 1950s and the early 1980s it rose to the height of its popularity in the 1970s. Does the ceiling surface contain asbestos.

It is often said to resemble popcorn or cottage cheese hence the name. This led to ceilings made from these panels being called popcorn ceilings. There was also a deposit of asbestos at that mine so the vermiculite from libby was contaminated with asbestos.

People in the town near mine on on oxygen tanks in their 40s. The popcorn ceiling was once popular in homes but fell out of favour 1980s when the harmful effects of asbestos once a common ingredient in vermiculite were. Woman who discovered this gave a ted talk on the subject.

Vermiculite is the most toxic form of asbestos. They were present in the same area during mining and posed a health risk when breathed in. It could be purchased locally and could be installed by contractor or homeowner.

Theres no firm cut off date for asbestos contaminated insulation. Concerns about asbestos contaminated vermiculite insulation a mine near libby montana was the source of over 70 percent of all vermiculite sold in the united states from 1919 to 1990. The only way you can definatively identify asbestos is to have a sample tested by viewing it under a microscope.

User47935 jan 17 16 at 2042. If you suspect that you may have an asbestos ceiling we strongly recommend that a nata accredited.