Colonial molding – Stop molding is a characteristic little noticed, but very important structure in your home. It is the molding affixed on the top and sides of the jambs of a door which stops the oscillation closure through the ‘opening. Stop Colonial Molding; before the advent of millworks and electric router, all molding was hand-made, with a molding plane. The plane was equipped with a blade shaped to create the profile of the molding. Most of the colonial molding styles are a variation on the ogee. Stop Molding Features; Stop molding is thin and narrow so that it does not interfere in the doorway….