About Us

Blacktown Building Supplies is an Australian Owned, family business that provides an extensive range of Timber, Building Supplies and Hardware products to meet the needs of Trade and DIY customers. There is in excess of 30,000 product lines under one roof!

Our staff are experts in building and construction products and are able to give you advice on the right products for your job. We pride ourselves on delivering high quality service and competitive prices to our customers.

We have one of the most most extensive range of Timber in Sydney. Timber such as Pine, Treated Pine, Oregon, Maple, Merbau, Tasmanian Oak, Cedar and more.

Delivery is available to anywhere in Sydney and surrounds. Yes! We can deliver today if your job is urgent and we have product in stock – let us know and we will try to help.

Call us on 1300 554 775 or get an Online Quote – Click here



Quickly and easily find exactly what you are looking for – softwood, structural pine, treated pine, hardwood and more. We stock one of the biggest ranges of timber in Sydney.
Take advantage of our great trade prices and dedicated services. Account customers also benefit from being able to get the items they need, load and get going fast.

Get an Online Quote –  Click here

Decking & Flooring

Decking is an attractive, economical and durable material used as a feature to outdoor living and entertaining areas of Australian homes and businesses.
Blacktown Building Supplies Mitre 10 supply a large variety of Treated Pine Decking, Australian Hardwood Decking and Tropical Hardwood Decking to suit your needs & budget.


James Hardie Products

We are a James Hardie stockist, with a massive range of fibre cement products available for many building applications. Contact us on 1300 554 775 for further information and pricing on James Hardie products including Scyon; Exotec; HardiePlank; HardieFlex; HardieColumn; HardiePlank; Compressed Sheeting and more. If you find it on the James Hardie website, we are able to source the product for you. Get your James Hardie Product. Click here for an Online Quote or Order Online


Sheet Products

Need sheet products for cladding, lining, flooring or any other project? We’ve always got a large quantity and wide range of timber, fibre cement and other sheet products in stock.
Check out our sheet product categories or contact us for more information or get us to quote on your project. Order Online or get an Online Quote – Click here


Building Supplies & Hardware

We have a wide range of building supplies, most of which we can deliver today – just talk to one of our sales representatives on (02) 9671 2355 or get an online quote.

Our Building Supplies includes Timber; Hardwood; Cladding & Panelling; Construction Timber; Engineered Wood Products; Uni Piers; Aluminium & Steel; Bars & Lintels; Bricks & Blocks; Cement & other bag products; Concrete Mesh & Accessories; Flashings; Gates & Fencing; Insulation; Plasterboard & Accessories; Roofing; Ties, Fixings & Strappings; Tiling Adhesives & Accessories; Waterproofing and more. You name it – we’ve got it – with over 30,000 product lines. And if we don’t have it, we can order it for you. Order Online through our Store or we can Give you a Quote on any Project large or small – Click here for a Quote.



We stock a huge range of Doors from suppliers like Corinthian, Hume and More. If we don’t have it in stock, we can order it for you! We have Internal, External Doors, Door Jambs, Sliding Doors and heaps more. Contact us on 1300 554 775 if you can’t find what you need.


Finishing and Mouldings

We can supply an extensive range of finishing & moulding timber to suit a wide range of applications in a range of timber species & types including Maple; Radiata Pine; Primed Pine; Cedar; Tasmanian Oak.

You can contact us for the profile you require or go to Heritage Profiles & ITI Timber websites to check out the range. We can also match profiles for you!



Paint and Paint Supplies

Mixing paint is our specialty. Whether the job is indoors or outdoors we have the right paint and the best tools to make the results professional.
Our paint range includes External paint; Other Paint & Finishes; Internal Paint; Paint Accessories; Woodcare – Internal & External

We stock paint and supplies from Dulux, Cabots, Wattyl and more.

Our Suppliers

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