8 Attaching Purlins
YOUR LINK HERE:
http://youtube.com/watch?v=KcxbmS5m47w
Purlins are the supporting poles on both sides of the ridge pole. They add additional support to the Gothic high tunnel frame. For more information about Grow Appalachia's high tunnels, please visit: • http://growappalachia.berea.edu/high-...
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