I’ve wavered back and forth on whether SIPS make sense. On the one-hand it simplifies and expedites the building process while increasing the chance that the home will be built tight and well. On the other hand, SIPS are quite expensive and may not pay off.

None-the-less, I have found five manufacturer’s which meet my criteria and I plan to have quote the project:

1. Green Mountain Panel (Formerly Winter Panel)
   1. Polyurethane panels available
   2. Panels pre-cut
   3. No installation service available
   4. Located in New Hampshire
2. Foard Foam Panel
   1. EPS and NEO panels available
   2. Installation available
   3. Panels pre-cut to specs
   4. Located in New Hampshire
3. Foam Laminates of Vermont
   1. EPS and NEO panels available
   2. Panels pre-cut to specs
   3. No installation service available
   4. Located in Vermont
4.  Eco-Panel
   1. Polyurethane panels available
   2. Unique lock-together panel system
   3. Panels pre-cut to specs
   4. No installation service available
   5. Located in South Carolina
5.  Murus
   1. Polyurethane panels available
   2. Panels pre-cut to specs
   3. No installation service available
   4. Located in Pennsylvania