Roofing Supplies | Building Supplies | Sydney | Central Coast

No1 Roofing Supplies and Building Supplies

No1 Roofing & Building supplies is one of the largest wholesale suppliers of steel, corrugated iron, and metal roofing products in Sydney.

We supply roofing and building products to Sydney, Western Sydney, Central Coast and the Northern beaches with a wide range of Colorbond, Zincalume and custom steel roofing products at warehouse prices.

And yes – we supply direct to the public as well as the professional builders that know the value of great quality roofing supplies and building supplies.

Sydney Metal Roofing Specialists & Colorbond Roofing servicing Western Sydney, Central Coast and the Northern Beaches

No1 Roofing supplies a full range of Colorbond roofing systems — Australia’s favourite roofing. Because we are wholesale suppliers to all of our customers in Sydney, Western Sydney, Central Coast and the Northern beaches.

We also stock Zincalume, corrugated iron sheets, standing seam and aluminium roofing and we won’t be beaten on service, quality or value for money.

As well as carrying a complete range of pre-made and fabricated roofing supplies, we also manufacture custom roofing to your specifications. So whatever you need, we have a product to suit all of your requirements.

Most brands and their associated materials are readily available, including Bluscope, Lysaght, Colorbond, Velux, Skydome, Bradfords Insulation, CSR Gyprock & Fibre Cement, Bostik, Ace Gutters, Insulco, Autex, Stramit, Ramset, Metroll, Ampelite, Weathertex and more.

We provide free advice to owner builders as well as cut and manufacture custom roofing and accessories to specifications.

Metal Roofing Supplies and Installation

Metal Roofing

No 1 Roofing & Building Supplies are the premier manufacturer and stockist of a wide range of roofing supplies in Sydney.

Guttering Supplies Sydney & Central Coast


To cope with torrential summer storms and harsh Sydney Winter Conditions, you need gutters that are strong and durable.

Building Products and Supplies

Building Products

If you need to build it, we have the building supplies that you need. No 1 Building & Roofing Supplies are the building supply specialists.

Corrugated Colorbond Iron Sheeting

Corrugated Iron

Sydneys No1 supplier of corrugated iron products, available to all our Sydney customers at warehouse prices

Roofing Insulation Supplies Sydney


No 1 Roofing & Building Supplies are Sydney’s insulation supplies specialists and provide a wide range of insulation supplies.

Polycarbonate Roofing | Translucent Roofing Supplies

Polycarbonate Roofing

Polycarbonate Roofing is an energy-efficient, innovative and great looking way to differentiate your home and add value to your property

Colorbond Flashing | Custom Flashing


No 1 Roofing and Building Supplies specialise in fabricating custom flashing for Colorbond Metal roofs.

Skylights Sydney | Skylight Installation


There’s nothing like a light natural skylight to bring out the best in your home. Velux Skylight suppliers of choice.

Pergola Roofing Products

Pergola Roofing

Pergolas, patios, verandahs are a popular and inexpensive way to maximise your outdoor space.