Mica Flake Vermiculite Insulation

Vermiculite is a naturally occurring mineral composed of shiny flakes resembling mica.

Mica flake vermiculite insulation.

When heated to a high temperature flakes of vermiculite expand as much as 8 30 times their original size. A lightweight shiny mineral that resembles mica flakes. Much of this stuff was later found to contain asbestos and had to be removed because it was a serious health hazard. Is the mica expanded so it looks like vermiculite or is it the thin brown to grey flakes that sort of shine.

Vermiculite is a naturally mined ore product that is non combustible and fire proof. What about mica fill vermiculite insulation. In this form vermiculite is a lightweight odorless and fire resistant material that has been used in numerous applications such as. How are mica fil or munn steele vermiculite products identified what should be done about potential vermiculite asbestos hazards ascribed to this vermiculite insulation.

Expanded vermiculite is lightweight fire resistant and odorless. The bright walls of the vermiculite mica flakes are a multitude of screens that reflect and disperse the heat energy transmitted by radiation and make such the insulating material suitable for high temperatures. When this mineral is put in an oven it expands like popcorn. This article series explains how to recognize vermiculite building insulation that may contain asbestos fibers.

In a previous home i had the thin brown to grey flakes used as attic insulation which was common in the past. Vermiculite absorbs water and is fire resistant giving it myriad uses from fluffing up garden soil to soundproofing floors. 16 1 m2k w per metre of insulation. 3 expanded and clumped vermiculite looks like popcorn or popcorn ceiling coating colors as above.

1 shredded vermiculite looks like little flakes of mica typically brown golden. The mineral was popular during much of the 20th century as insulation thanks in part to. The expanded vermiculite is a light weight fire resistant and odorless material and has been used in numerous products including insulation for. Vermiculite is a naturally occurring mineral composed of shiny flakes that resemble mica.

Since it has an r value of about r 2 per inch it was used for decades as an insulation material. K value 0 063 w mk. Vermiculite is a mineral mined from the earth composed of shiny flakes that look like mica. When heated rapidly to a high temperature this crystalline mineral expands into low density accordion like strands.

2 expanded vermiculate same as most kitty litter can be clumps or rock chunk like from grayish white to tan to brownish to golden.