31 Oct '11, 10am

Adding insulation to existing walls #green

In addition to Martin's list, you may have the option of adding Air Krete foam insulation without removing the existing batts. After removing siding as needed, the installer will drill access holes and inject foam between the fiberglass and the sheathing. Air Krete will find the gaps in the wall and seal them up which reduces air infiltration.

Full article: http://www.greenbuildingadvisor.com/community/forum/green...

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