Fiberglass insulation was first put on the market in 1938, and in all the years since, no alternative has really challenged its preeminent position as the most effective choice for insulation on both commercial and residential construction projects. Fiberglass insulation improves a structure’s energy efficiency, reduces heating and cooling costs, and makes occupants more comfortable. These are just a few of the advantages that make it the insulator of choice, even in the latest eco-friendly projects. Below are additional benefits of fiberglass insulation:
1. Moisture Resistance
Fiberglass insulation does not absorb or retain water according to www.cyclonebuildings.com who utilise it in some instances. It can still be contaminated or compromised by moisture; insulation that has gotten wet needs to be inspected and dried to ensure that it does not lose its insulating properties.
Wet insulation can be successfully re-installed and deliver its full R-value as intended by the manufacturer so long as installers confirm that the insulation and the area around it in the structure have not been compromised by water.
In order to provide full insulating value, fiberglass insulation requires a vapor barrier. When properly selected and installed, a vapor barrier catches condensation before it can penetrate the building envelope and reach the insulation. The vapor barrier’s perm rating must be appropriate to the structure and the local climate, and it must be sealed into place with a proper adhesive so that it does not leak.
2. Fire Resistance
Fiberglass insulation is inherently non-combustible because the materials from which it is made – sand and/or recycled glass – are non-combustible themselves. Fiberglass insulation does not need to be treated with chemicals to make it fire-resistant, and it does not become any more combustible as it ages.
In many areas, local building codes even allow the use of fiberglass insulation as an effective fire stop in wall assemblies made of wood or steel.
3. Sound Dampening
Fiberglass insulation absorbs sound, and this means it reduces sound transmission through walls, ceilings, floors, and HVAC ducts where it is used. As a general rule of thumb, one inch of fiberglass insulation increases the sound transmission class, or STC, of a building assembly by three or even four points. Additional inches of fiberglass insulation each add two more points to the STC rating.
4. Use Of Recycled Materials
The manufacture of fiberglass insulation has come to rely on incorporating a significant amount of recycled material. Between 1992 and 2000, insulation manufacturers used over 8 billion pounds (3.6 billion kg) of recycled glass from pre and post-consumer sources. Using this material productively saved millions of cubic feet in landfill space.
The total amount of recycled material used in fiberglass insulation varies from brand to brand and product to product, but some products are made with as much as 80 percent recycled glass. Fiberglass insulation also requires the use of silica sand, which is an abundant and naturally-renewing resource.
Bottom Line
Fiberglass insulation remains a highly competitive and attractive insulation option, even when considered according to environmentally-friendly “green” priorities. In the decades it has been used, it has proven time and again to be a reliable and effective material.
