What type of insulation is this?

katie8422October 11, 2010

What type of insulation is this and what precautions should I take when moving it around? It looks light and fluffy but it's very dense.

http://picasaweb.google.com/lh/photo/XU9VkVfuJLTqTPj8pZxsbg?feat=directlink

http://picasaweb.google.com/lh/photo/8vgOH-SkmO5XtAk_lDn3sA?feat=directlink

Thanks in advance!

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worthy

Looks like mineral wool to me.

See link below.

(But what the heck is that other beady looking stuff?)

Here is a link that might be useful: Identifying Insulation

    Bookmark   October 11, 2010 at 10:53AM
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worthy

The "beads" may be vermiculite, some varieties of which contained asbestos and should be handled accordingly.

Here is a link that might be useful: Vermiculite

    Bookmark   October 11, 2010 at 11:00AM
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katie8422

The description of mineral wool matches it, but that doesn't explain the beads. Hm.

I have a respirator made for toxic dust like lead or asbestos. Is that good?

The OSHA website makes me nervous because I had an opacity on my lung after my first round of renovations in early 2009. Trying to be more careful this time around.

Thanks for the quick response!

    Bookmark   October 11, 2010 at 11:14AM
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macv

Definitely rock wool and the beads are probably super heated sap from the wood that has run down the framing or dropped into the insulation and cooled.

    Bookmark   October 12, 2010 at 4:39PM
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sombreuil_mongrel

That was some sappy wood.
Casey

    Bookmark   October 12, 2010 at 4:53PM
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worthy

Thattsa somma hot attic!

    Bookmark   October 12, 2010 at 6:17PM
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calliope

That's not vermiculite.

    Bookmark   October 13, 2010 at 9:10PM
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macv

Hard clear or amber colored sap crystals are more common in attics where wood was not originally kiln dried.

    Bookmark   October 14, 2010 at 8:33AM
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