http://www.building-green.org.uk/2009/11/04/green-roofs-a-two-day-course-in-november/ We want green roofs and walls for a healthy city Sun, 25 Apr 2010 12:18:54 +0000 hourly 1 http://www.building-green.org.uk/2009/11/04/green-roofs-a-two-day-course-in-november/comment-page-1/#comment-6 George Davis Wed, 02 Sep 2009 14:41:10 +0000 http://www.building-green.org.uk/?p=98#comment-6 I would like to know about doing a house roof with a 2-12 pitch and a 1-12 pitch I would like to know about doing a house roof with a 2-12 pitch and a 1-12 pitch

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