#1, There concrete blocks not "cinder blocks" unless your using blocks made in the 50's.
Without a better idea on what you mean by "canopies it's anyone's guess on how best to "hold them down".
Is this just for a single event are these going to be permanent?
Trying to figure out why you would be using concrete blocks instead of Sona Tubes.
Without a better idea on what you mean by "canopies it's anyone's guess on how best to "hold them down".
Is this just for a single event are these going to be permanent?
Trying to figure out why you would be using concrete blocks instead of Sona Tubes.