The industry is increasingly recognizing the need for a more comprehensive review of green products. We don't have perfect programs yet, but we scrutinize the most prominent programs out there and highlight how they're useful.
Polystyrene is widely used as a rigid insulation in North America, offering high insulation values, moisture resistance, strength, and affordability. But a flame retardant in the material, as well as its life-cycle impacts, raise questions about whether it should be used at all.
Incorporating a continuous air barrier into a building's design and construction can save energy and improve the indoor environment, among other benefits. The right materials and assemblies can help accomplish that goal, but careful attention during design and close oversight during construction are essential.
Carpets, door handles, and a myriad of other building products now contain pesticides targeting fungi and bacteria, offering potential benefit to the indoor environment, but also raising health concerns. This article asks whether antimicrobial products live up to their marketing claims and whether relying on them is a sound path to a hygienic environment.
Carpets are the most popular floorcovering in the U.S., but they have also been associated with environmental problems including indoor air emissions and intensive resource use. However, manufacturers have worked to curb their environmental footprints by recycling carpet, examining their life-cycle impacts, and pursuing broad-based certification.