The FirstStep™ Sill is a high-quality composite product for the general market, delivering ideal performance for builder-grade applications and beyond. Proven with its fully customizable 5Y and 5C threshold technology, the FirstStep Sill was developed to deliver the perfect balance of quality, utility and value.
- Exposed screws for easy adjustment and minimized damage to door sweeps
- No screw caps to lose
- Quanex’s proven screw / clip technology equals reliability
- Natural woodgrain look to the Adjustable Rail and Nosing
- .055 Aluminum Deck available in Mill or Bronze Anodize
- Full Sill Program with Singles, CSL, French and Patio available
- Industry standard 5 degree dado spec with 1 3/8″ high rail
- Will accept our full line of 5 degree extenders. (3/4″ – 4 3/8″)
- Competitively priced product for builder-grade and retail
This page was last updated on September 1, 2023. Downloaded document versions may differ. Please check the individual documents for most current version.