roof insulation can someone identify what it is grey fiberglass rock wool or something else asbestos

marko1983

New Member
hi can anyone tell me what sort of insulation this is, my boss at work thinks it's paper backed fiberglass. says it was put in outhouse about 35 years ago. it looks like fiberglass to me but it's completely grey and its paperbacked. has anyone else seen this type of insulation. did fiberglass insulation ever have asbestos in? or was it ever grey? Been working in this out house for about 3 years and the insulation is damaged all over. so a little concerned, my boss assures me it's fiberglass but would like a second opinion. I've uploaded some photos
 

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phillipe

Member
hi can anyone tell me what sort of insulation this is, my boss at work thinks it's paper backed fiberglass. says it was put in outhouse about 35 years ago. it looks like fiberglass to me but it's completely grey and its paperbacked. has anyone else seen this type of insulation. did fiberglass insulation ever have asbestos in? or was it ever grey? Been working in this out house for about 3 years and the insulation is damaged all over. so a little concerned, my boss assures me it's fiberglass but would like a second opinion. I've uploaded some photos
Hard to tell ,but i wouldnt go near it without a full face mask
 

marko1983

New Member
was it grey fiberglass or asbestos you saw. it looks to be I in rolls and I can't find anything on internet saying asbestos roof insulation as ever in rolls. it seemed to be either spayed on or put in loose what's your opinion?
 
Location
Suffolk
I have used plastic backed fiberglass. Very similar to this. IMO there's no issue with asbestos contamination unless it's under wriggly cement fibre sheeting. It came in a grey/yellow format in the late 70's & early 80's. I knew it as 'itchy stuff':LOL:
Wear a good paper suit with a hood & decent breathing mask as it is an irritant. I tape up my cuffs & leg bottoms with gaffer tape & use blue disposable gloves to handle it. Lots of bin liners to stuff it into.
Good luck!
SS
 

marko1983

New Member
I have used plastic backed fiberglass. Very similar to this. IMO there's no issue with asbestos contamination unless it's under wriggly cement fibre sheeting. It came in a grey/yellow format in the late 70's & early 80's. I knew it as 'itchy stuff':LOL:
Wear a good paper suit with a hood & decent breathing mask as it is an irritant. I tape up my cuffs & leg bottoms with gaffer tape & use blue disposable gloves to handle it. Lots of bin liners to stuff it into.
Good luck!
SS

another close up photo
 

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Location
Suffolk
Mmmm, yes that's OLD! & very flat as it looses its bounce over time. Bag it & get it out. For economy you could keep the packed bags & use these as insulation pillows rather than disposing of it as it will still insulate(y)
SS
 

sulky

Member
Location
northyorkshire
hi can anyone tell me what sort of insulation this is, my boss at work thinks it's paper backed fiberglass. says it was put in outhouse about 35 years ago. it looks like fiberglass to me but it's completely grey and its paperbacked. has anyone else seen this type of insulation. did fiberglass insulation ever have asbestos in? or was it ever grey? Been working in this out house for about 3 years and the insulation is damaged all over. so a little concerned, my boss assures me it's fiberglass but would like a second opinion. I've uploaded some photos
im sure this is a product called rockwool or also called slag wool was produced as a by product of the steel industry with blown foundry slag it feels and looks just like fibreglass ,it came with a paper moisture /vapour barrier , we used a lot of it in wood/studding walls as it was far better at sound proofing than fibreglass less itchy and safe to use , also had a higher fire rating,i cant remember its trade name but company from teesside called stillite used to make it ,and was specified by mod departments ect, pretty sure it does not contain asbestos.
 

Bongodog

Member
All of the fibreglass insulation of that era looks like that now after 40 / 50 years. Its also very thin by modern standards, they thought 1" was ok and 2" really pushing the boat out. Asbestos was generally used for its fire retardent properties in rigid sheets, as gaskets, or mixed up wet with cement and plastered onto steam pipes and such like.
If you are disturbing fibreglass, especially old stuff, best to cover every piece of skin possible, coverall, gloves and gaps sealed with gaffer tape is my approach. Otherwise its hours of itching. My dad used to refer to it from his building days as "itchycoo" with very good reason.
 

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