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Example of significantly damaged asbestos insulation on two large, abandoned elevated tanks with debris. This insulation material is magnesia block which contains amphibole asbestos.
Zonolite vermiculite insulation shown installed in a residential attic space.
From the United States Environmental Protection Agency's (US-EPA) website:
"If you have vermiculite insulation in your home, you should assume this material may be contaminated with asbestos and be aware of steps you can take to protect yourself and your family from exposure to asbestos. This Web page provides important information on how to protect yourself and your family if you suspect that you might have vermiculite insulation from Libby, Montana.
Evidence of vandalism is apparent from this damaged section of asbestos pipe insulation. Consequently, costly abatement of the asbestos materials will take place.
Old water tank shown with insulation material wrapped around its exterior surface. Subsequent laboratory testing of the insulation indicated the absence of asbestos, it was "animal hair".
Imagine, a non-asbestos "Zonolite" product: Glass Fiber Home Insulation; circa, early 1960's. Batting consists of foil-paper and fibrous glass insulation; fibrous glass material is adhered to foil-paper with strips of thin black adhesive. All layers tested negative for asbestos content.
Vintage bag of Zonolite vermiculite insulation in residential attic space. Although this product's labeling indicates "Masonry Fill", the vermiculite insulation was installed throughout the attic area (under walking boards). Subsequent testing of this material indicated 2% tremolite asbestos.
Zonolite vermiculite has been found to be contaminated with amphibole asbestos minerals. Learn more about asbestos-contaminated vermiculite from the United States Environmental Protection Agency's (US-EPA) website
Close-up view of Zonolite vermiculite material installed as insulation inside a residential attic space.
Some sort of insulated pipe with a valve, going into a reservoir or overflow tank.
During my lunchbreak at work, I went for a walk with one of my colleagues. We strolled across the Business Park Apeldoorn terrain, which used to house companies such as TNO and IT firms with on-premise datacenter/colocation.
Most of the buildings are empty and abandoned now. Large transformer arrays, huge chimneys, warning signs and leftover bits of technology are some of the silent witnesses.
Most of the insulation is up. I left a few areas open where I need to finish up some wiring. All of the wires are run except for the lights. I need to wait to do that because I won't know where to place the lights until I install the drop ceiling so there's no point to mess with wires for the lights. All outlets are wired and working, and all wires are run to the light switches. Then I'll just have to go up to the ceiling to connect the lights to the switches when I get that far.
View of vermiculite insulation in residential attic space. Subsequent laboratory testing indicated this material contained 2-5% amphibole asbestos.
Zonolite vermiculite insulation shown installed between lumber joists in a residential attic space.
From the United States Environmental Protection Agency's (US-EPA) website:
"If you have vermiculite insulation in your home, you should assume this material may be contaminated with asbestos and be aware of steps you can take to protect yourself and your family from exposure to asbestos. This Web page provides important information on how to protect yourself and your family if you suspect that you might have vermiculite insulation from Libby, Montana.
We had to take pictures at night, after work, because the crew was making really good progress. Things moved quickly.
Two-image comparison in side-by-side format showing a pipe system as uninsulated and then insulated with asbestos materials "before & after"; from a 1950's-era vintage asbestos industry publication.
Added in red are labels indicating "After & Before" in reference to a reverse scenario as it might apply to asbestos abatement today, after removing the asbestos insulation.
This is by far the best insulation for a true cathedral ceiling. With closed cell foam, there is no need to ventilate the soffits or roof. There will never be condensation, mold, or ice dams in this attic.
Area of exposed insulation on large diameter pipe associated with an industrial boiler. The insulation was tested and found not to contain asbestos. Senior maintenance personnel indicated the original asbestos insulation was abated in the past and replaced with this newer material. Pre-formed notches in the newer insulation appear to be able to allow it to bend around curved mechanical equipment.
With the temperature below zero, I'm very glad to have something to keep this drafty window covered up.
Thanks to Ed Vielmetti for the info a while back:
Power lines & mill, Saginaw, Texas.
My sister, who used to collect these types of insulators, went nuts when I showed her this photograph.
Night, 3/4 moon, 100 second exposure with mini-maglite supplementing the insulators.
An uncommon application of an asbestos material: thick asbestos paper insulation on PVC pipe. PVC pipe tended to be installed in later era construction and typically appears uninsulated or usually may be seen with non-asbestos fiberglass or foam-rubber insulating materials installed on it.
However, in this case, reportedly an older supply of asbestos paper was found tucked away in forgotten basement storage areas and was installed on "newer" building components by building maintenance staff.
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Thanks,
Michael
ArmchairBuilder.com