frame construction
Exterior walls of wood, brick veneer, stone veneer, wood ironclad, stucco
on wood. This is one of six basic construction types used in categorizing buildings
for Insurance Services Office, Inc. (ISO), Commercial Lines Manual (CLM) rating
purposes. The other five construction categories are joisted masonry, noncombustible,
masonry noncombustible, modified fire-resistive, and fire-resistive.