ABSTRACT
Into the twenty-first century, building technology has expanded, reaching new highs in thermal/acoustical insulation and interior wall/ceiling building materials. Oftentimes, interior walls and ceilings provide insulation value to the interior of a building, albeit minimal, but they do contribute enough to count. Well designed and installed building insulation can save money on energy bills; reduce reliance on heating and cooling systems; and improve thermal comfort. The unwoven, less structured filaments are the major components in "fiberglass" thermal/acoustical building insulation. All magnesia wallboards have reinforcing fiber additives within the core and/or glass mesh, fibers, or a scrim on the front and back surfaces. Magnesia wallboard is fire resistant, waterproof, mold/pesticide proof, and impact-resistant. Inorganic, naturally occurring minerals–rock wool and vermiculite–are inherently fire and pesticide resistant. Irritant/toxic emissions of magnesia wallboard are highly unlikely. Irritant/toxic emissions from lime plaster products are highly unlikely. Wood wall coverings are used on interior and exterior walls as well.
