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Spray Foam Issue

by LiveModern Webmaster last modified Dec 11, 2013 01:18 AM
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by last modified Dec 10, 2013

I recently hired a company to spray foam insulate an area of my house. There were some issues with the mixing of the chemicals noticed afterwards. The company is scheduled to return later this month to correct the situation. My concern is how they plan to correct it. The issue is: small areas of the foam separated from the joists. The gaps are minor. Wide enough for a few sheets of paper to slide down. Needless to say there is no longer an air seal in those areas. My question is, what would be the proper course of action? Do they merely spray the gaps? Or, should they cut out the areas all the way to the base and respray? In this case I am talking about the roof. My concern is that if they merely spray the gap, the room may be air sealed but the area between the roof/joist is not. Wouldn't air be able to seep into that area and now be trapped in that gap?




 

 

I recently hired a company to spray foam insulate an area of my house. There were some issues with the mixing of the chemicals noticed afterwards. The company is scheduled to return later this month to correct the situation. My concern is how they plan to correct it. The issue is: small areas of the foam separated from the joists. The gaps are minor. Wide enough for a few sheets of paper to slide down. Needless to say there is no longer an air seal in those areas. My question is, what would be the proper course of action? Do they merely spray the gaps? Or, should they cut out the areas all the way to the base and respray? In this case I am talking about the roof. My concern is that if they merely spray the gap, the room may be air sealed but the area between the roof/joist is not. Wouldn't air be able to seep into that area and now be trapped in that gap?

It is hard to answer your question with out looking at the job. I would have another insulation specialist look at it before the repair is done. The gaps should...


 

 

 
 
 

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