Hyper insulation / Discussions

...insulation is inadequate. We have been told that blown-in insulation only works for empty walls - our walls have insulation but it does not seem to be enough. Is insulating from the outside by building out something we should consider exploring with a contractor? We have one brick wall and the rest is siding. It seems ...

...insulation because moisture moves through it easily, or I would go thicker with something like the Thermal Wall foam insulation panels. Take a look at those pages and come back with any questions you have.

Building a house and have zip plywood on the exterior (not zip-r which is insulated) & want to add 1" rigid foam to the exterior with open cell on the interior. Or 2" closed cell with r13 bath insulation.  Which combination above would be best? Also would there be an issue with installing one inch foam directly to ...