There is another method of "blocking & bracing" which you might look into.
The company is named TY-Gard International, Inc. Address: Walnut Industries
Inc. 6314 Georgetown Pike, McLean, VA 22101.
Tel. 571-382- 2345, Fax. 571-382-2342. www.ty-gard.com

A unique way of stabilizing and securring a load. I have used this method
with 20' containers, barrels stacked 4 to a row, stacked 3 high and gross weight of contants - about 41,000#. The load never budged. BY truck to Chicago, rail to San Francisco and by ship to New Zealand.

Give them a call.