The Sterling 2000 Outdoor Curved Stair Lift is leading the way in outdoor custom built stair lifts. The galvanized steel rails will easily hold up to the outdoor elements and this unit can be built to any custom modification. This model will fit tightly against the wall or rail with precision. Our outdoor units upholstery comes in the color of dark grey and is designed to hold up to the UV rays from the sun. Each outdoor unit comes with a waterproof cover for additional protection. 2 years manufacture warranty on all parts.