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 a third generation family owned Australian manufacturer that has supplied more than 200,000 staircases to the national residential building market since opening its doors in 1982. Today Stair Lock is one of Australia’s largest staircase company with sales and installation branches in Adelaide, Melbourne, Sydney and Brisbane.