<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:black;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>A long time ago there was quite a bit of discussion about baking out buildings. Part of the IAQ issue is the compounds formed by the mixing of the various chemicals off gassing and how that can be exacerbated by heat and also the stability of the materials with added heat and that resulting in more compounds becoming less stable <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>I would look at pressured ventilation strategies (exhaust ducts near larger soft furnishings, carpets, etc with fresh air intakes near areas that are occupied. This can be accomplished as a temporary strategy with flexible ducts with inline fans stuck out windows. The idea is to increase ventilation but also target areas or objects for exhaust (rather than just mixing the air up). The other strategy is gaseous filtration and there are residential oxidant added active carbon type filters available that can be effective with formaldehyde.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Greenbuilding [mailto:greenbuilding-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>Bill Kingsbury<br><b>Sent:</b> July-22-15 2:51 PM<br><b>To:</b> Green Building<br><b>Subject:</b> Re: [Greenbuilding] off-gassing and what if anything to do about it?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><br>To speed up the off-gassing, "bake-out" the building.<br><br>Some companies specialize in heating older buildings to "higher" temperatures (140 - 160 degrees Fahrenheit, for several hours) to resolve problems with mold and insects, etc.<br><br>A similar process, that includes contaminated air removal (with the correct ventilation rate), will speed up removal of the volatile chemicals -- however, it might require several days of heat treatment for good results.<br><br>Best done before moving things into the new building -- unless they'd benefit from a "free" heat treatment (that would "cure" any included mold, insects, or chemical fumes).<br><br><a href="https://www.google.com/search?q=building+bake-out+off-gassing">https://www.google.com/search?q=building+bake-out+off-gassing</a><br><br><br>Bill<br><br><br>--- At 10:54 PM 2015-07-21, Reuben Deumling wrote:<br>><br><br><o:p></o:p></p><p class=MsoNormal>A friend just bought a brand new house. Very efficient and also very full of nasty smells. <br><br>Here is her question:<br><br><i>We're dealing with a house with all new everything. Ick. It's green meaning super energy efficient - insulation etc. but I don't think that extends to the toxic ness of the things they use to make stuff. It smells awful when you walk in. So I'm trying to figure out what to do to reduce it. Do you know much about these matters or know anyone that does? For example, I'm thinking of using this Carpet sealer, but I'm not sure how to assess if it actually makes a difference. Flooring and paint are the other major things- I think.<br><br><br></i>Any thoughts? I have no experience whatsoever with this sort of thing. An unexpected advantage of sourcing everything from the dumpster, I guess. <br><br>Thanks!<o:p></o:p></p><p class=MsoNormal>><o:p> </o:p></p></div></body></html>