All SSS Beaded parts are 3/4" thick, have a thermofoil topcoat and MDF core, and are made in the USA. Beadboard "lines" sit 3" apart. All parts are 3/4" thick and made in America. SSS Beaded panels are flat/slab-style and 3/4" thick (Ikea's are typically 5/8").
When installing, Semihandmade base, tall and wall panels are made to run straight to the floor and slightly past or "proud" of the door/drawer fronts for a more custom, built-in look (see the Installation Manual for more details).