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Just add steps* to our stair stringers
to get 2 ½ to 13 ft solid stairs ready to
install in less than 1 hour!
32 models to choose from!
We ship from the US, tax-free!
Buy Direct! 2 to 5 days shipping
from $189 US + s/h
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Build Exterior Stairs with Fast-Stairs.com Stringers Kit

Outdoor stairs easily made with prefabricated rust proof steel stair stringers.

If you need exterior stairs for your deck, patio, embankment or landscape, now you can build and install one in half a day with Fast-Stairs modular adjustable steel stair stringers. Your exterior stair project will benefit from:

  • Easy to ship and carry (max. 70 lb packages)
  • Adjustable In height and width
  • Powder coated, rust proof for any outdoor use
  • Super solid (1 ton capacity)
  • Quick and easy assembly
  • 85% made of recycled steel
  • Code standards compliant
  • Economical
  • Lifetime warranty

Designed for fail-safe DIY exterior stair building and installation

Fast-Stairs provide a unique, quick and easy way to build long lasting, free-standing 2½ to 13 ft high outdoor stairs. No stair stringer calculator required. No more figuring out the rise and run of steps. Simply measure your vertical height and then choose online the Fast-Stairs adjustable model that fits the desired angle for your outdoor stairs.

Fast-Stairs offer do-it-yourself outdoor stair solutions for consumers, re-modelers, builders and contractors alike. There is no faster, easier or better way to build super strong and economical exterior stairs. Simply bolt the stringer sections together with the slide connectors and screw the step/treads (not included) of your choice to the perforated welded steel step supports.

Order online, by phone or email for 2 to 5 day delivery anywhere in continental North America. All zinc-plated connecting fasteners with Allen key are included with the easy to ship and carry Fast-Stairs packages.



Click here to learn two simple methods for attaching railings to your exterior stairs

Shop for your steel stair stringers now!

Uses and testimonials

"The stairs worked out very well... assemble better and faster..."

- Ronald Palmer, California

"One of the best new products on the market today."

- Canadian Contractor Magazine

"Your stairs are great, easy to install. Just ordered another set for another house."

- Brian Fischer, California
See more photos and testimonials

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