Designing Your Perfect House - By William J. Hirsch, Jr.

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Archive for the ‘Indoor Air Quality’ Category

A Granite Radon Question

Sunday, March 28th, 2010

I received a question from a reader about radon emissions from granite countertops the other day. I wrote a blog post about this a while ago. But this question comes up over and over again, so I thought I would post her question and my answer in the hopes it would be helpful to others.

Question – I am thinking about purchasing granite countertops for our kitchen and bathrooms, but I have been reading some horror stories about granite and radon. Now I read your web site, and you say not to be concerned. How can I be sure that the granite I’m chosing doesn’t emit radon? I am honestly very worried after reading about it online, but then you say it’s not true at all. (more…)

Choose the Right Fireplace for Your Needs

Thursday, August 6th, 2009

Over the years, I have seen a strong trend away from wood-burning fireplaces toward gas fireplaces.

There are two reasons for that. First is the cost. Traditional, all masonry fireplaces are very expensive to build. The entire chimney must be built of masonry and the tall column of cement blocks, bricks, and terra cotta flue liner is very expensive. Plus, a true masonry fireplace requires a foundation to carry the weight. That adds more cost. Pre-fab metal units have taken over the marketplace for cost alone. Some pre-fab fireplace companies are Heatilator, Majestic, and Heat-n-Glo. These fireplaces have some limitations on the size of the firebox opening. If I need a particularly large opening, I turn to Isokern. This is a fireplace that is made of a special type of concrete block system, but it does not require the full masonry flue. So it is a compromise between the design freedom of the traditional masonry fireplace and the cost benefits of the pre-fab units. (more…)

Yikes! There’s Mold in My House

Sunday, December 21st, 2008

These days, nothing strikes fear into a homeowner’s heart like the news that mold has been found in their house. visions of unknown illnesses and physical maladies flash before their eyes, fueled by incredible lawsuits and media hype. But what is the real threat? How much concern should you have? What should be done?

I’ve been perplexed by this issue and I’ve found that it is very difficult to find dependable information on this subject. Part of the reason for this lack of good information is that no one really knows answers with any scientific foundation. I’ve been doing a lot of reading and based on that research, I’ve come to the following conclusions. As you read these, please keep in mind that I am also among the legions of mold non-experts who have voiced their opinions on the subject. But this information was taken from what I thought were reliable sources. Hopefully this will put the mold issue into perspective. (more…)

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