D D DIYnotBot 6 Aug 2010 This image is referenced in the forum thread 'what lintel over tri fold doors'
D D DIYnotBot 14 Aug 2010 This image is referenced in the forum thread 'lintel above bi-folding door'
D D DIYnotBot 14 Aug 2010 This image is referenced in the forum thread 'Channeling across beam and block floor.'
D D DIYnotBot 1 Apr 2012 This image is referenced in the forum thread 'bi fold patio doors support...?'