The Materials and Human Health Summit provided a good explanation of the approach that LEED v4 is taking with regard to materials transparency in LEEDv4. (See my previous post, Tension at the Materials and Human Health Summit? for more on the event). In place of the controversial LEED Pilot Credit 54 that ignited some of the animosity between






Radiation Exposure How Much Is “Too Much” Alex Stadtner, president of Healthy Building Science, wrote a blog in April 2012 entitled “Radioactive Granite and Quartzite – Risks from Radon” about discovering high levels of radiation in Quartzite and Granite used in residential building for items such as countertops, flooring, and bath and shower enclosures.  While






Blown-in-Cellulose Insulation

Wednesday, 21 August 2013 by
blown-in-cellulose insulation

Blown-in-Cellulose Insulation Test Results On a recent project, we recommended a homeowner try Blown-in-Cellulose insulation as a healthy alternative to other insulation choices. Blown-in-cellulose is known in the healthy materials world as a pretty safe insulation choice. But just to be sure the product was safe, we sent a wet sample to a lab for






Asthma and Buildings

Friday, 10 May 2013 by
Asthma and Buildings

Asthma and Buildings – California and US Trends in Asthma Buildings are too often neglected in the asthma equation. Asthma is sometimes defined as a symptom of poor indoor air quality, and other times defined as a Building Related Illness. This blog references the recently released report, “Asthma in California: A Surveillance Report,” compiled by






Efficient vs Healthy Building

Recently appeared in the NorthBay Biz Journal, GreenScene by Alex Stadtner A battle has been raging in the design-build community for decades. Much is at stake, yet few are paying attention. Here’s the blow-by-blow from a battle that affects everyone. Ringside. Energy Efficient versus Healthy Building. A hush before the bell rings… When “green building” is mentioned






toxic building materials

Toxic Building Materials in Residential Construction A reporter from Angie’s List Magazine just asked for my opinion on toxic building materials in residential construction… and while writing my response I realized there was some valuable information to share. Hopefully Angie’s List Magazine will decide to run the piece. Here is my response to some great






safer foam insulation

Safer Foam Insulation Flame Retardants Doing More Harm than Good? Safer foam insulation is on its way to becoming a reality in the US construction industry. Momentum for eliminating unnecessary flame retardants from buildings is growing exponentially. The fire safety benefit isn’t adding up to the known hazards associated with halogenated flame retardants. Leading the






tips for building a healthy home

Tips for Building Healthy Home – Part 1: Minimize VOCs Minimize Exposure to Formaldehyde Formaldehyde is one of the most common industrial chemicals and is widely used as a component of building products, upholstery, carpeting, etc. and classified as a human carcinogen. Formaldehyde’s other health impacts include respiratory problems; eye, nose, and throat irritation; allergic






building a healthy home

Tips for Building a Healthy Home If you are building a new home or significantly remodeling your existing home, then this article will help you target the biggest polluters in your home’s indoor environment. These tips for building a healthy home have been put together with the intent of helping those who do not have






Flame retardants creeping you out… For years a small (but growing) group of concerned scientists, designers, and public health advocates have been warning about the dangers of flame retardants. It may seem counterintuitive that flame retardants – intended to reduce risk of harm from fire – could be harmful themselves. However, according to many of






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