How Is BIBS Insulation Made?
Fiberglass is made of small glass fibers made primarily of silica sand, soda ash and limestone. Other common fiberglass components found in various BIBS Insulation include magnesite, borax, kaolin clay, Feldspar, nepheline syenite and calcinated alumina.
BIBS Insulation has an R-value of R-15 for 3.5″ thick walls or R-4.23 per inch. In comparison, fiberglass batting insulation is rated at R-11 for 3.5″ thick walls or R-3.7 per inch.