Why mill finish This option is primarily for dealers purchasing stock Eliminating damage in shipping Reducing packing charges And giving you ultimate control over your project What do we mean by engineer friendly Building codes differ from region to region topless style railings may require a protective cap or top rail Railings may also require different load ratings, anchoring, sealants, engineering, The system concept and standard components have been engineered to B.C. building code guidelines Engineering for each job is site specific, and may not be required Check with your building inspector for any concerns Send a picture for clarification Your substructure is a key factor to achieving a quality installation Stairs & slopes To measure the slope of the stairs Lay a straight edge down the nosing of the stairs Hold the long side of a framing square short side down Set a level on the top edge of the square Set Square on strait edge with one edge fixed the other adjust to level Only read the #s on the inside of the square The fixed side will either be 22 ½ or 14” Include ntn [nose to nose] measurement Rise & run Surface mount or face mount Open side or closed If closed is it flush with the nosing or raised if so by how much t = Topless w = wood top f = flat top * Engineered extruded   Typical post installation on a recommended fascia