Hardi has about 30% cellulose fiber in it and the rest is cement. Hardi shrinks after it is installed so you must keep it tight to the the next board and not leave expansion gaps on either side. It de ... read more
You must have paid without inspecting the work. Building code requires a weather barrier under the siding and that it be taped at openings and all seams. Was there a permit obtained to do the work? If ... read more