I had a 40'x90' pole barn built by Rob-Bilt in August of 2008. According to Rob Bilt, thier buildings can withstand winds up to 90 mph. Also according to Rob Bilt, they place their posts 3' into the ground and sometimes even deeper. Here's my problem. We had sotrms last night with high winds up to 70 mph. Their building did not withstand these winds. The entire building was uprooted and thrown into nearby timber in several piles and pieces. The posts did not shear off, but were pulled directly out of the ground. When I... read full review »