To construct a stair of cast-iron on this principle the baluster, rise, head, and underbrace, are made in one piece as shown in figure 3. It has a lug at i, to which the end of the next tread is ...

Pre-cut and sanded stair treads can be the perfect way to quickly throw up a few shelves. And you can surely find a finished stair tread that comes pre-stained and sealed for that added sense of ease.