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Old 01-29-2009, 10:46 PM   #16
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use DOW blue rigid for interior & health concerns?


Clear 100% silicone works very well, never gets hard so flexes when the need is there, and is low priced, just done a basement last fall and went great.

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Old 01-30-2009, 07:10 AM   #17
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use DOW blue rigid for interior & health concerns?


I used Liquid Nails to hold mine up. Works pretty well
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Old 01-30-2009, 11:24 PM   #18
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use DOW blue rigid for interior & health concerns?


I think homeowners should be cautious about using XPS foam board and solvent based adhesives in an area where ventilation of indoor pollution will be reduced. Google healthy homes and find out why. There are alternatives to using VOC gassing products in our homes and I think homeowners should consider them first. I think consumers are becoming better educated on the need to get of rid of products that are known to destroy the ozone layer. Manufacturers of XPS foam have been ordered to remove chloro-flourocarbon blowing agents in favor of CO2, however that switch has not yet occurred and I think these products should disappear immediately.
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Old 01-31-2009, 07:35 AM   #19
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use DOW blue rigid for interior & health concerns?


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Originally Posted by sawyerEd View Post
.... Manufacturers of XPS foam have been ordered to remove chloro-flourocarbon blowing agents in favor of CO2.....
Won't that add to the "carbon footprint"
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Old 01-31-2009, 11:10 PM   #20
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use DOW blue rigid for interior & health concerns?


By gawd, you're right. What to do, what to do......... on no..... there's no answer.... no nothing....
we're finished .......gone.... all..gone....
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Old 07-16-2011, 11:28 AM   #21
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use DOW blue rigid for interior & health concerns?


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as long as its covered by sheet rock your ok .its probably no worst than paneling,carpet,or most other combustable products
There are a couple points being overlooked. First I realize I'm years too late but maybe someone else is researching.... 1st there should be NO moisture present on those basement walls when you add the Blue board insulation. I have rehabbed several basements just a few (less than 5) years after they were "professionally" finished. These "builders" thought the moisture was condensation and would go away once insulated. WRONG Unsealed concrete can wick moisture up from below or thru from the outside. Even if it is condensation Moisture goes from heat to cold. Insulating the foundation will help keep it cool and STILL attrack moisture. Dow Blueboard is definately the best option for insulating in my experience(30 years) but that foundation wall needs to be properly sealed inside and out. Additioanally the insulation should stop at the top of foundation and the rim be fiberglass insulated but the outside wall should be insulated with an OPEN cell foam or other permiable insulation. You should see some of the pictures of rotted rims and floor joists I have where moisture got in primarily from deck attachments and literally destroyed new homes in under 15 years. Running a dehumidifier is constantly is another no brainer to prevent damage.
As to fire this is always the dumbest debate I can imagine. Cut NO corners; spare NO expensive......PREVENT the damned fire. Burning Foam is EXTREMELY toxic....but the bottom line is far too many people don't get a second chance with a fire. I refused to do jobs where people wanted to save the drywall cost and just panel over the studs. To save costs just put one rough coat with Durabond/tape on to seal...it doesn't need to be pretty if you're covering it. You need to PREVENT FIRE and PREVENT moisture infiltration at all costs. Either will completely destroy a below grade improvement. One in an hour the other over acouple years.

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