Nova Treads are an easy and cost-effective way to transform an existing staircase. Designed to install over your current stair treads, this tread delivers the appearance of a brand-new staircase without the need for a complete tear-out. Installs over existing stair treads for a fast staircase makeover Rounded nosing profile for a classic, finished appearance Crafted from high quality solid wood with solid nosing Ideal for staircase remodels and renovations Ready to stain or finish Dimensions: Tread width: 12-1/2" to end of nosing, 11-1/2" before nosing Tread thickness: 5/8" Nosing height: 1-3/4" Notes: Our stair treads are constructed from solid wood staves bonded together for strength and stability. This tread construction is the industry standard, offering significantly greater durability and resistance to warping compared to one-piece treads.