What to do with energy audit advice?
Last fall, I purchased a 1940’s cape style house located in New England, and my first winter was tough with high heating bills and ice dams. My energy audit detected wool batting in the walls, fiberglass batts with the paper upside over wool insulation in the attic. I have a roof ridge vent, gable vents, no soffits, and plaster & steel lathe in the knee walls and gable end walls.
My energy auditor has recommended a energy plan that differs from the insulation contractors, and I am confused by this, and would greatly appreciate your feedback.
The energy auditor recommends in the knee wall areas, steel lathe & plaster and wool insulation removed, and the area insulated with cellulose and polyiso rigid foam board. In the attic slope, wool and homasote or paneling boards and wool batts removed and replaced with fiber batting and polyiso.
The contractors recommend leaving everthing in place, punching holes in the plaster / lathe or homosote and filling with cellulose on/over the wool insulation.
The auditor suggested removing the plaster and lathe because it is a large area to fill with cellulose, but I can’t image anyone fitting into the knee wall areas to work on this. (knee walls are 20” x 16” x 26”. ) However, I am concerned that without ventilation, there could be a mold issue or other issues with the cellulose added on the rock wool. Please advise. Thank you!
Posted Mon, 06/30/2014 - 21:21
Edited Tue, 07/01/2014 - 06:13
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