Category Archives: Indoor Air Quality

Does PEX tubing constitute an offgassing problem when applied under existing hardwood flooring?

Additionally, are there any water contamination issues with using PEX tubing for human-consumption water supply? PEX is cross-linked polyethylene, so there is no measurable offgassing from the material. Through one of several processes, links between polyethylene molecules are formed to … Continue reading

Posted in Energy Efficiency, General Green Musings, Green Building Questions, Indoor Air Quality, Water Conservation | Tagged , , , , | Leave a comment

Can my home be Re-Finished with UV floor finish? How does it work? Is this a gimmick or is it a real health benefit? Companies such as FlashUV.com claim to have UV finish for my wood floor. Instant cure and low VOC and Odor.

It all depends on what they are promising you.  The idea that the floor can be cured by exposure to UV light is not at all far fetched.  Many chemicals are effected by UV light and crosslinking is a common … Continue reading

Posted in Durability, Green Building Questions, Indoor Air Quality | 1 Comment

what are the most cost efficient low voc’s or no voc’s counter top options?

Well all of the stone(granite, marble, soapstone, travertine), concrete,  recycled glass(ice stone, terrazzo, vetrazzo), tile(ceramic, stone) , engineered stone(Caesarstone, Dupont Zodiaq, Cambria Quartz) stainless steel and solid surfacing (Corian, Avonite, Swanstone, Silestone, Livingstone) countertops have no or extremely low VOC’s … Continue reading

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What are the consequences of Toxic Chinese Drywall and how can I avoid it?

The recent state of the “toxic drywall” debacle  is a bit of a mixed blessing here.  The mass majority of the toxic drywall came from just a few manufacturers in China that used mined gypsum as these raw materials for … Continue reading

Posted in Green Building Questions, Indoor Air Quality | 1 Comment

Should you worry about offgassing from windows?

Widows are generally not considered a threat to indoor air quality from offgassing.  The fact that the majority of replacement windows are made of or are clad in vinyl does have serious environmental consequences, as the manufacture and eventual destruction … Continue reading

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What does the information on the Radioactivity in countertops mean?

Since you have actual radiation emanation data, I will answer this question directly, but for some back ground information on the link between Radiation from Granites and Quartz and Cancer, please see the question titled “Should I be concerned about … Continue reading

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Should you worry about the radioactivity emitted from my granite or quartz countertops?

Yes, some granites and quartz’s contain some amounts of uranium, a radioactive element.  You are safe from significant exposure to a granite that contains uranium, while it is locked in the granite and/or if it is present at very low … Continue reading

Posted in General Green Musings, Green Building Questions, Indoor Air Quality | 2 Comments