Our Story

Our internal sliding door solutions offer a perfect balance between functionality and high class aesthetic appeal.
The Birth of Triline
The idea for Triline Quality Door Systems was born in 1996 when founder, Stuart Colledge, noticed as he was building homes that there was no easy way to obtain pocket sliding doors in Tasmania. After a few years of extensive product research, design and development, Triline launched its first cavity sliders in a leading hardware store in Hobart. Over the next eight years our output increased steadily and by 2004 we were outgrowing our original facility. 2005 saw us expand to a larger premises and as a result has allowed us to significantly increase our production output.
With more space and the passion to go further, 2008-2011 saw us overhaul and re-design our cavity pocket system. After much refinement and consultation with our customers, the Phoenix™ cavity slider was formed. We continue to grow and improve our product range to give our customers more options and avenues for creative exploration in internal sliding doors.
We also seek ways to better construct our cavity sliding doors to ensure our customers have the latest in architectural design and material performance. Our products are available in all leading hardware stores in Tasmania and a selection of stores Australia-wide.
Mission
Our mission is to satisfy our customers' needs by providing quality products and support services that are tailored to our customers' requirements.
Vision
We are committed to becoming Australia's leading manufacturer of quality sliding and folding door systems, providing unparalleled products and service. We strive to serve our customers and staff by developing relationships based on our core values: Honesty, Accountability, Diligence and Passion.
Core Values
Honesty: We incorporate honesty and integrity in our actions and dealings with our customers, suppliers and staff
Accountability: We hold ourselves accountable for the products and service we provide and to one another within the organisation
Diligence: Providing quality products and service on time with attention to detail every time
Passion: Enthusiasm in what we do, our products and services are important to each team member