Here is a update on how i am doing on my extension: Inside: The walls inside is almost done, I need to do some of the construction for ceiling first. An before I can do that I need to be done with the putting in the pipes for heat recovery unit. I don't know if you got that system in the U.S. http://www.begreensystems.co.uk/Images/Heat-Recovery-diagram.jpg Outside: well my wife just started to paint the wood.. And I must say I'm not tried about it.. Not because my wife do a bad paint job.. Just because I'm the type that don't ask for help, I like to do it myself..!! I'm type.. If you want it done right you do it yourself