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Stair Systems


Stair Lock manufacture, supply and install Australia’s highest quality range of competitively priced stair solutions at a speed to market that is unsurpassed in the industry. Stair Lock is Australia’s number 1 stairway system.

Stair Balustrades


Stair Lock offers a range of balustrade, posts, handrails and glass designs to compliment our range of Stair Lock Stairs.

Download Brochure – New Design 2020


Grab a copy of our Stair Lock brochure.

Stair Lock is a third generation family owned Australian manufacturer that’s been around for over 30 years and has supplied more than 200,000 staircases, and still counting.

Today Stair Lock is Australia’s largest staircase company with sales and installation branches in Adelaide, Melbourne, Sydney and Brisbane.

Why Choose Stair Lock stairs?

25 Year Guarantee

We are so confident about our product that we are the only staircase manufacturer to offer a 25year guarantee.

DIY Stair

Stair Lock DIY stairs are an economical and even faster way for tradesman and builders to get there stairs delivered to site. Our stair and balustrade flat packs are made to exacting standards, the ease of installation using our patented dovetail construction make DIY stairs a very practical option for builders and handymen.

Delivery Time

With warehousing operations around the country and one central manufacturing plant our quality and speed to market is unequalled in the industry.

Low Cost and Architectural Stairs

Stair Lock has recently introduced custom stairs a new and innovative brand of designer stairs to suit individual tastes, complementing our original range of MDF and America Oak stairs.