(1)

Plywood cladding shall be exterior type conforming to

(a)

ANSI/HPVA HP-1, “American National Standard for Hardwood and Decorative Plywood,”

(b)

CSA O121, “Douglas fir plywood,”

(c)

CSA O151, “Canadian softwood plywood,” or

(d)

CSA O153, “Poplar plywood.”