I first heard about Advantech subflooring from a brochure at a local lumberyard. It immediately got my interest for two reasons: It was less expensive than plywood and promised to be better. The plywood we were getting was less square than it should have been, and we were having some problems with buckling and delamination. In one case, several sheets of 5/8-inch fir plywood delaminated before they were even installed. With the price of 3/4- inch T&G fir plywood at well above $20 per sheet and climbing, I was willing to take a look at a competing product. Advantech also promised to be more water resistant than fir plywood and at the time was priced about 20% less than fir
