We take the hard out of hardware.


Quality and Value

As one of the biggest single buyers of timber in Western Australia, it would come as no surprise that Colli is the leading timber supplier to many of WA’s award winning and most prominent home building companies. Whether you’re a small or large scale builder, you can rely on Colli to deliver the highest quality timber products available, at value-for-money prices that are difficult to match.

Over 40 Years of Experience

Colli have been in the Perth-based building and timber trade since the early 1970s and therefore have a wealth of experience and knowledge in the areas of doors, door furniture, plumbing, building products, timber products and truss and frame.

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Selecting The Material - The Process



Whether it’s flooring, skirtings, stud walls or roof timbers, it is important to plan every aspect of the and select the right timber 
for each application.



Bring your plans to Colli and one of our experts will help you to estimate the amount of timber required to ensure maximum value and minimal waste. *Estimation charges apply



We can supply and deliver all the timber products you need to your home or worksite, anywhere in the Perth metro area. 
*Supply charges apply

Our Range

Colli stocks a wide range of building products:

Truss and Frame

Timber Products

  • Structural Pine​
  • C​CA Pine
  • Dressed Pine
  • Dressed Jarrah
  • Roofing Timber
  • Cedar Lining
  • Structural Timber
  • Decking
  • Blue / LOSP Pine
  • LVL Products
  • Engineer Timber
  • Mouldings
  • Imported Timbers
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Truss and Frame

Building Products

  • Columns
  • Flooring
  • LVL Beams
  • Cement Products
  • Plywoods
  • Structa Floor
  • Insulation
  • James Hardie
  • Aircell Range
  • Doors/Door Furniture
  • Plasterboard and Accessories
  • Plumbing
  • Brickies Hardware
  • Metal Door Frames
  • Timber Joinery
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Truss and Frame

Truss and Frame

Environmental friendly
  • Made from sustainable​ ​plantation pine
  • Stores greenhouse gasses
  • Will not emit dangerous​ ​chemicals over time
  • Very efficient use of materials
  • Less building site waste to​ ​dispose of
Choosing treated trusses
  • Treat timber for termites​ ​or weather
  • Either LOSP or CCA
  • Guaranteed durability
  • All plates are galvanised
Fast to install
  • Fully pre-fabricated
  • Comes with detailed CAD layouts​ ​for installation
  • Delivered to site with Hiab​ ​weight to put in place
  • Walk on them immediately
  • Uniform webs for bracing​
  • ​Quick stable platform
  • No need for cutting blocking
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Floor Cassette Systems

Floor Cassette Systems

  • Precision Design & Fabrication
  • Reduction in Construction Programing
  • Savings in Erection and Skilled Labour on-site Costs
  • Unique Floor Cassette Systems
  • Pre-Dimensioning
  • Set Downs
  • Service Integration
  • Detailed Design and Drafting
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Truss and Frame


Residential Door Range
  • Entrance Doors
  • Internal Doors
  • Door Systems - Pivot
  • Bi-Fold Doors
  • Flush Doors
  • Alfresco Doors
  • Cavity Slide Units
​Commercial Door Range
  • Fire Rated Doors
  • Solid Core Doors
  • Oversize Doors
Additional Services
  • Selection Centre
  • Estimating Service​
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Truss and Frame

Door Furniture

  • Electronic Locks
  • Mechanical Digital Locks
  • Key in Lever
  • Key in Knob
  • Locksets
  • Leversets
  • Deadlocks
  • Deadlatches
  • Mortice Locks
  • Trilock Series
  • Sliding Cavity Door Sets
  • Security and Patio Door Sets
  • Pull Handles
  • Exit Devices
  • Door Closer Sets
Additional Services
  • Selection Centre
  • Estimating Service
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Residential and Commercial
  • Bathroom Accessories
  • Gas Hot Water Systems
  • Basins & Vessels
  • Tap Ware
  • Baths
  • Showers
  • Showerbasses
  • Shower Outlets
  • Vanities
  • Toilets
  • Wastes & Plugs
  • Water Flow Control
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If you want to find out about all the latest Colli has to offer phone your nearest store for more information or contact us.

Why choose colli?

  • More Expertise

    Our experts will advise you on the most suitable timber for your particular project and will help you every step of the way by providing everything from an initial ‘quoted’ price from the plans to an accurate estimate of the amount of timber required. We can even cut timber to size to save you having to do it on site.

  • Total Service

    Ours is a complete service. Colli can offer expert advice, help you with design and material estimation, supply you with the right products on time and at the most cost-efficient price. Not only do we offer excellent value for money, we have more choice, more experience, more expertise and more services.

  • Cost Effective Quality

    For over 40 years, Colli has delivered thousands of Western Australian trade professionals and building companies with a comprehensive range of superior timber products at prices that are difficult to beat.

  • Xpress Collect

    Everything you need is just a phone-call away. We all know that on-site supply shortages occur daily, and can cost your business thousands of dollars in downtime. Thankfully, Colli's unique Xpress Collect Service allows you to call ahead for the supplies you need meaning you'll be back on the job with minimum lost time.

  • Xpress Delivery

    We'll bring you the gear you need! Featuring an upgraded truck fleet, Colli's reliable Xpress Delivery is a courier service that delivers roofing timber, cement, hardware, pergola and decking timber and other quality building products directly to your site – quickly and conveniently. *Delivery charges apply

  • Xpress Onsite

    Not content with simply offering you the best in products, price and range, Colli Pro brings the trade to your doorstep with our convenient and reliable onsite hardware service. The Colli Xpress Onsite vans stock a range of the most frequently used building supplies - simply call and they'll be on their way to you!

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