The concept of alternate-tread stairs has been around for centuries, with some attributing the design to Thomas Jefferson.
Stairs and stairways include all types of complete, pre-fabricated stair systems and staircases. Components include stair treads and nosing, ballusters, handrails, and newels. Stairs and stairways may ...
It will also give your staircase much-needed tread that could prevent ... Be sure to purchase one for each stair. The tools ...