Tore out 25 year old steps that were rotted and failing for years in North Boulder home. Replaced framing, new posts tied to concrete caissons and installed new pressure treated stringers 12" OC w/ Perennial Wood Decking on top.

Perennial Wood decking is an Eastman Kodak product. Perennial Wood has a warranty of 25 years against cracking, checking or decomposing. It uses an acetic acid (natural vinegar) that preserves the wood slowing the aging process. Best use for high visibility where unpainted natural wood is part of the design and on display.