Mold On Insulation In Basement

Moisture can cause mold to grow on your fiberglass insulation.

Mold on insulation in basement.

But in a more subtle and not easily visible form problematic building contamination by mold is often found in otherwise clean looking basement fiberglass insulation crawl space fiberglass insulation fiberglass wall insulation heating or cooling duct fiberglass insulation and attic or roof insulation in buildings which have either been wet or have been exposed to high levels of mold from other sources. After removing any mold covered debris such as dry wall insulation carpet or sub flooring hard surfaces can be treated with commercial products containing ammonia and bleach. Dirt that can attach to your insulation includes dust dirt from outside air that does not get filtered well and dirt from construction activity within your home. Once trapped there it can lead to mold and mildew.

This was a typical basement wall assembly with a stud wall directly against the foundation followed by fiberglass insulation and a vapour barrier. In basements similar to the on in this example that means the water vapor in the basement wants to migrate outwards from the basement to the outside of the house. That s why you must never ever finish a basement space that s anything less than 100 dry 100 of the time. For nontoxic species of mold and less severe mold growth there are many diy solutions for the prevention and control of mold in the basement.

Dirt and mold can adhere to the fiberglass sheets. No matter how well you follow the other four strategies mold will always win in the presence of sufficient moisture. Basement insulation mold busting strategy 1. There are no exceptions to this rule.

The mold damage you see is from longterm moisture exposure not the one time flooding event.