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Mono Stringer Stairs
View All InstallationsErectaStep is the world leader in stair case design and manufacturing. All of our metal spiral and mono stringer stair kits are engineered and manufactured in our 250,000 square foot South Carolina facility.
Our spiral stair and mono stringer stair kits are constructed of heavy duty steel with a durable powder coated finish. All of our stair kits are designed for easy assembly and installation for both the professional contractor or the DIY homeowner. No special tools required!
Our unique tread design allows you to customize your treads by installing your own tread material; wood, tile, concrete, etc. More on Mono Stringer Stairs