Our 1894 home was inspected in February of this year prior to our closing on 3/26. We have since started on some small "projects" right away, prior to moving into our "new" old home. Upon pulling some data cables (Cat5e) from the basement up to the attic for data/T.V. access for the 2nd ...
Apr 24, 2018· Vermiculite insulation is no longer used in new construction, but an estimated one million homes in the U.S. still have it, according to the USGS. Vermiculite is a naturally occurring mineral that is perfectly safe when pure.
The mineral vermiculite has been mined for years for use in insulation and gardening. However, it has come to the attention of health and safety regulators that when mined, vermiculite tends to include asbestos fibers, which, when disturbed, float loosely around in the air and enter the lungs.
Vermiculite is a "loose fill" insulation that looks like a mixture of small grade gravel nuggets, but is soft when squeezed, just like popcorn. The pieces can be a mix of gray, light brown, dark-brown, silver, or gold. About 80% of all vermiculite produced before 1990 was from a mine near Libby, Montana.
Asbestos exposure from vermiculite insulation can lead to asbestosis, lung cancer, and mesothelioma, which can show up years or even decades after exposure. In this article, author, Patrick McCombe, discusses the consequences of buying a vermiculite insulated house.
Jan 28, 2014· Worldwide, vermiculite has been used in various industries as long ago as 1920. With the upsurge in home ownership during the baby boom, vermiculite insulation was a popular material in the 1950's, and continued with the energy crisis into the late 1970's.
Vermiculite and rock wool are materials that have been used for building insulation. Vermiculite fell out of favor in the 1980s because vermiculite from some major producers was contaminated with ...
Do I have vermiculite insulation? Vermiculite can be purchased in various forms for various uses. Sizes of vermiculite products range from very fine particles to large (coarse) pieces nearly an inch long. Vermiculite attic insulation is a pebble-like, pour-in product and is usually light-brown or gold in color.
Jul 25, 2016· The EPA says that vermiculite insulation, which is the pebbly stuff found in attics of many older homes, is only risky if it contains more than one percent asbestos. That's good news, because most Zonolite, a type of vermiculite insulation, falls into that category.
Vermiculite Insulation Asbestos. Vermiculite is a naturally occurring mineral compound that expands when heated. A member of the phyllosilicate group of minerals, it resembles mica in appearance. In its pure form, vermiculite is clean, odorless, nontoxic and sterile.
Jan 12, 2019· Vermiculite was a common attic insulation product sold from the late 1920s to the early 1990s. It could be purchased locally and could be installed by contractor or homeowner. Unfortunately, almost all vermiculite insulation contains asbestos and is unsafe when disturbed.
Vermiculite in insulation is a pebble-like, blown-in product and usually light-brown or gold in color. Sizes of vermiculite products range from very fine particles to large (coarse) pieces nearly an inch long. If you have vermiculite insulation in your attic, you should assume that the material may contain asbestos.
This Vermiculite Test Kit is designed to test your Vermiculite Attic Insulation for Asbestos! The only way to know for sure if vermiculite insulation in your home contains asbestos is to have it tested. If asbestos is found, then the proper procedures can be implemented to keep you …
Vermiculite is a mineral used in a number of consumer products, including home insulation. Some vermiculite produced at Libby Mine in Montana from the 1920s until 1990, sold primarily under the brand name Zonolite®, has been found to contain asbestos. While not all vermiculite produced before 1990 ...
Insulation made from vermiculite ore from the Libby mine has not been sold in Canada for over a decade, according to Health Canada. What if I have Zonolite insulation installed in my house?
Apr 26, 2016· Vermiculite insulation is way worse than I previously thought. I've known that vermiculite insulation can contain asbestos, and my advice to homeowners has always been to assume it contains asbestos and leave it alone, which is also the advice of the EPA.If the insulation needs to be removed or disturbed, my advice has previously been to recommend first having it tested for asbestos.
Apr 17, 2015· Vermiculite insulation was sold in bags to builders and homeowners under the Zonolite brand name. Founded in 1919, the Zonolite company was acquired by W.R. Grace Company in 1963. According to a 1985 estimate made by the Environmental Protection Agency (EPA), about 940,000 American homes were insulated with Zonolite.
Background Insulation Vermiculite Consumer Products Vermiculite is a naturally occurring mineral compound composed of shiny flakes, resembling mica. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. Historically, much of the world's supply of vermiculite came from a mine near Libby, Montana.
Sep 11, 2019· The concerns about the dangers with vermiculite insulation in the UK stem from the fact that until the 1990s, most vermiculite originated from a mine in America which also contained asbestos deposits. These deposits contaminated the vermiculite, …
This page provides important information on how to protect yourself and your family if you suspect that you might have vermiculite insulation from Libby, Montana. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. When heated to a high temperature, flakes of ...
numerous products, including attic insulation. Do I have vermiculite insulation? Vermiculite can be purchased in various forms for various uses. Sizes of vermiculite products range from very fine particles to large (coarse) pieces nearly an inch long. Vermiculite attic insulation is a pebble-like, pour-in product and is usually light-
Vermiculite insulation board can be used to line the back and sides of fireplaces including large inglenooks. Boards with textured surfaces or made to resemble bricks give a decorative finish and the boards can be given a coat of heat resistant paint to match the room's décor if desired.
Vermiculite was mined in Libby, Montana, from the 1920s until the mine closed in 1990. While in operation, the mine in Libby produced most of the world's supply of vermiculite. Vermiculite has been used in building insulation, potting soil and fertilizer.
Vermiculite loose-fill insulation is one of the most common materials that contains asbestos. Vermiculite insulation has a pebble-like appearance and typically is a grayish-brown or silvery-gold color. It is made from a natural mineral material that is mined from the earth.
How to Know What Insulation is Behind Your Walls ... If your home was built before 1990 and has vermiculite insulation, you should assume it's contaminated with asbestos, which according to the EPA puts you at risk for lung diseases, including asbestosis, lung cancer, and mesothelioma. If you have it: Don't mess with it. There's less risk in ...
May 03, 2016· Vermiculite insulation is way worse than I previously thought. I've known that vermiculite insulation can contain asbestos, and my advice to homeowners has always been to …
Vermiculite is a 2:1 clay, meaning it has two tetrahedral sheets for every one octahedral sheet. It is a limited-expansion clay with a medium shrink–swell capacity. Vermiculite has a high cation-exchange capacity (CEC) at 100–150 meq/100 g.