Description: Water damage, termite damage/ dry rot repair less than 10% of replacement cost of residential buildings. replace drywall (no new walls added) for single family dwellings and duplexes only. re-roof with class a or b material weighing less than 6 pound per sq. ft. for residential roof replacement > 50% of the total roof area, apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24, part 6, section 149 (b).