Moisture and Mold
Airflow accounts for 98% of moisture movement. Since fiberglass is not an air barrier it provides no protection against moisture and mold. Cellulose is so effective at blocking airflow and managing moisture that you don't need a poly vapor barrier.
While the air-blocking capability of high-density cellulose insulation prevents moisture flow, the borates in our specially treated NuWool Wallseal cellulose insulation inhibits mold and fungus growth from any condensation. Our cellulose insulation wicks moisture away from the surrounding building components and carries it to drier areas.
More Documentation About Moisture and Mold Reduction:
Cellulose Insulation in the International Energy Conservation Codes
A technical update detailing the references of cellulose insulation in the (IECC) International Energy Conservation Codes.
Moisture Management in Homes with Cellulose Insulation
A document addressing moisture in homes and how the spray or dry application of cellulose protects the structure against moisture damage.
National Fiber Cellulose Without Vapor Barriers
This document describes how National Fiber's cellulose insulation manages moisture without vapor barriers.
Unvented Catherdral Ceilings and Flat Roof Assemblies
A technical document regarding the use of cellulose insulation in unvented cathedral and flat roof assemblies.
Using Cellulose Insulation in Basements
A technical document outlining the use of cellulose insulation in below grade areas and basements.
Vapor Barrier Modeling with Cellulose Insulation
The results of Professional Engineer Mark E Kelley's moisture modeling of cellulose with and without vapor barriers using WUFI.
What are Borates?
Borates are naturally occuring minerals used to enhance the performance and benefits of National Fiber's cellulose insulation.