Stair Design and Construction 3/09 Architecture III Stair Design and Construction 3/09
Stair Design and Construction Key Terms Baluster Curtail Guardrail Handrail Headroom Kick Plate Landing Newel Nosing Rise Riser Run Stringer Tread Well Hole
Stair Design and Construction
Stair Design and Construction
Stair Design and Construction Inner string (closed) Outer string (open) Tread Riser Newel post Balusters Banister / Handrail Return nosing Fascia Landing Curtail
Stair Design and Construction Stair Types Straight “L”- Shaped Stairs Double “L” Stairs “U”- Shaped Stairs Winder Spiral
Stair Design and Construction
Stair Design and Construction
Stair Design and Construction
Stair Design and Construction Winder Stairs vs. “L” Shaped Stairs
Stair Design and Construction 4 Rules of Stairs The slope of stairs should be between 30° - 35° ( S = 30° - 35°) The sum of two risers and one tread should equal 25” (2R + T = 25) The product of the riser height multiplied by the tread width should equal approximately 75” (R x T = 75) The sum of one riser plus one tread should equal 17” – 18” (R + T = 17-18)