Downloaded 2015-05-06 from http://www.passivhaustrust.org.uk/UserFiles/File/Technical%20Papers/ROT/How%20to%20build%20a%20Passivhaus_Chapters%201%20to%204(2).pdf
How to build a Passivhaus_Chapters 1 to 4 by Marsh Flatts Farm Self Build Diary is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.