Instead, my treads were like a porous, MDF kind of wood. Also, there was a gap on either end of the stair pieces because of how they left room for the house to settle – my gaps were huge!

Mauro paints stair treads; the team highlights some tools; Heath installs wall sconces. Mauro Henrique shows a homeowner the right technique and materials to paint his unfinished wood stair treads ...