A fully insulated timber frame building panel system incorporating wall, ceiling and floor panels of varying dimensions which are made up of vertical timbers 20 and horizontal timbers 34 & 36 sheathed both sides 21 & 22 to create a cavity which is filled with expanding polyurethane insulation 27. Breather...http://www.google.ca/patents/US7735282?utm_source=gb-gplus-sharePatent US7735282 - Fully insulated frame building panel system
