Cellulose contains a high percentage of recycled paper and does not contain minerals.
Dark gray insulation in old attic.
On 2018 11 01 by melisa.
In general it looks like shredded gray paper.
This is the blown insulation in my attic.
If it s gray and you can under magnifying glass find occasionally tiny bits of paper it s cellulose loose fill or blown in insulation.
Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics.
Pull back the insulation to see what s going on behind it.
In this case there s a bathtub just sitting behind the insulation with no air or moisture barrier to prevent the bathroom air from leaking into the attic.
Please review the photo examples of types of insulation above on this page and let me know if you have more questions.
Consider the key characteristics another way to determine what type of insulation you have in your home is to look at the insulation itself.
If you have loose fill insulation that is gray soft and without a shine it is probably cellulose insulation.
Most people are aware of the dangers of asbestos which may cause cancer and other health problems.
For example if the insulation is loose fill grey soft and without a shine you probably have cellulose insulation.
Old attic insulation types.
Sheep wool insulation optimal is a range of grey coloured sheep s wool insulation rolls offering high thermal and acoustic.
Two types of old insulation that are dangerous to your health are urea formaldehyde foam which is usually gray or yellow and brittle and asbestos.
I have an old black insulation that looks like corrugated paper and falls apart when.