How To
If your basement stairs spring up and down when you walk on them, reinforce
If your basement stairs spring up and down when you walk on them, reinforce them by nailing 1×3-inch strips of wood along the bottom edges (not the sides) of the stringers. Stagger the nails about 1 foot apart to avoid splitting the strips.
By Yankee Magazine
Mar 24 2013
If your basement stairs spring up and down when you walk on them, reinforce them by nailing 1×3-inch strips of wood along the bottom edges (not the sides) of the stringers. Stagger the nails about 1 foot apart to avoid splitting the strips.