Foam building insulation in both spray foam and foam board products is resistant to mold growth but as we will explain here it is not absolutely mold roof and on occasion we do find mold growth on the surface of even closed cell foam in open celled foam rare and on th surface of eps and other foam insulating board products uncommon.
Mold resistant spray foam insulation.
We ve discussed mold resistant insulating material ranging from backless fiberglass to spray foam.
With its sharp ground glass mold spores puncture before they can attach to it.
Stone wool for example is made primarily of basalt rock a natural volcanic rock that is found abundantly in the earth.
Mold resistant insulation options.
You have to have the right kind for your home.
But this barrier can never work because it can t be properly sealed around all those joists.
This means that an area properly sprayed with foam insulation will never become a food source or a hospitable environment for a mold colony.
While there are many different types of insulation the best fit for florida homes is closed cell spray foam insulation.
Spray foam insulation to prevent mold.
And unlike wood or metal spray foam does not rot rust or deteriorate.
Mold can grow on the fiberglass insulation backing which is made of paper and is a mold food source.
Six smart rec room refinishing precautions.
As a result spray foam has become an ideal installation option for spaces.
You need at least 3 to prevent hidden condensation behind the foam.
The makeup or composition of the material is key when looking for mold resistant insulation.
The rock is melted along with recycled slag and spun into stone wool insulation.
The bottom line though is that all homeowners want a sealed home.
You want to seal out everything from a draft to rodents.
This is why the only mold resistant way to seal and insulate the rim joist area in your basement is with closed cell spray foam.
It isn t enough just to have insulation.
Fiberglass insulation without backing may be the best choice.
Fiberglass a non biodegradable substance is resistant to mold.
As a product spray foam insulation does not attract mold.