Old insulation, normally older than 10 years poses a variety of issues to your home. Firstly, many products contained harmful chemicals such as borax, lead and formaldehyde. These chemicals are known to cause respiratory issues, in particular early onset asthma in children. Not only is old insulation putting your family at risk, it is also ineffective. With many products being “loose fill” in the roof cavity, they have compacted and reduced over time. Most products would be less than R1 rated, which is well below the minimum R4 rating required by the building code. Learn More About Insulation Removal