Dark Gray Insulation In Old Attic

If you see insulation that looks like this there s definitely a big problem.

Dark gray insulation in old attic.

This is the blown insulation in my attic. Most people are aware of the dangers of asbestos which may cause cancer and other health problems. Formaldehyde off gasing is a concern so this product is no longer on the market. Consider the key characteristics another way to determine what type of insulation you have in your home is to look at the insulation itself.

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. Sheep wool insulation optimal is a range of grey coloured sheep s wool insulation rolls offering high thermal and acoustic. Please review the photo examples of types of insulation above on this page and let me know if you have more questions. 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.

For example if the insulation is loose fill grey soft and without a shine you probably have cellulose insulation. Pull back the insulation to see what s going on behind it. On 2018 11 01 by melisa. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics.

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. Old attic insulation types. Cellulose contains a high percentage of recycled paper and does not contain minerals. In general it looks like shredded gray paper.