Stair Stringer 3 Step Riser

Build sturdy, code-compliant outdoor staircases with the Stair Stringer 3 Step Riser. Crafted from 2×12 #1 pressure-treated lumber, this rugged stringer delivers lasting strength and rot resistance for decks, patios, and landscapes. Its precision-notched design ensures consistent step height—just under 7"—for safe, comfortable ascent and descent. Green-cross certified and rated for ground-contact use, it’s the ideal foundation for long-lasting, low-maintenance stairs.

Key Features

• Durable 2×12 pressure-treated lumber resists rot and insects
• Precision-cut, consistent 3-step design
• Stair rise of just under 7" meets common building codes
• #1 grade for maximum strength and stability
• Green-cross certified for sustainable forestry practices
• Suitable for ground-contact applications

⚠️ WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.