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The exterior surface of an aluminum metal composite panel wall of a contemporary business

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Top Line Roofing Ltd in Victoria provides superior customer service for all your roofing, wall cladding and metal siding projects in Victoria.


Top Line Roofing Ltd is your source for commercial sheet metal wall systems and metal siding in Victoria. From aluminum composites to sheet metal cladding, we have the systems you need to keep your building envelope protected against the elements. We are a family-owned and operated company that has been building a strong reputation for service since 1983. Our team is concerned with ensuring the accuracy and reliability of our installations at every step of the process. We conduct detailed in-person consultations where we can evaluate all factors that may play a role in the project and present you with a comprehensive quote for the work.

For more information on the different types of wall cladding or metal siding we offer in Victoria, please see the additional information below. Don’t know where to start? Contact us today to speak with our trained team to find the right wall cladding solution for your needs.

Composite wall panel

Composite Wall Panel

The composite wall panel consists of a metal sheet bonded to a foam core. The shell provides protection to the insulation, increases rigidity and is a built-in vapour barrier, while the integral foam core provides thermal insulation. The panels fit together with a tongue and groove joint that when caulked provides an excellent seal. Panels are available with an aluminum shell, called aluminum composite material, as well as zinc and copper. Composite wall panels can be formed into tight radii, angles and most shapes, while being very resistant to buckling, dimpling and oil canning.

Composite wall panels come in a wide variety of colours and finishes.

Preformed insulated panels

Preformed Insulated Panels

Preformed insulated panels offer high insulation value and quick installation to your project. The single-piece insulated panel eliminates the inefficiencies of multi-piece field assemblies while attaching to the outside of the building to eliminate thermal bridging and maximize thermal efficiency. Preformed insulated panels come in various sizes, colours, and textures. They can speed up construction time by combining the insulation, air, vapour barrier, and exterior cladding into a single easy-to-install unit.

Preformed insulated panels come in a wide range of sizes, colours and textures.

Metal siding

Standing Seam and Bold Form Metal Siding

Both make excellent siding choices, whether standing seam or bold form metal siding. Standing seam metal siding is fabricated on-site with our roll-forming machine, producing long panels allowing for few to no seams. Standing seam panels clip into each other along the protruding seam, giving a look reminiscent of board and batten when installed vertically.

Bold-form metal siding comes in several different styles. Instead of the flat panels with protruding seams of standing seams, bold form is pre-bent to form grooves in the metal of various styles. The different styles of corrugation can significantly change the look of the building.


Both products come in various colours and metals. Metal siding is lightweight, low maintenance and has a great life expectancy.

If you have any additional questions regarding wall cladding or metal siding projects in Victoria, please get in touch with Top Line Roofing Ltd!


Your property's metal siding can impact its overall structural integrity and curb appeal. Metal siding is a popular choice with our clients, and with good reason. It provides countless advantages that add value to your property, such as:

  • Low maintenance: Metal siding requires very minimal maintenance. All you have to do is ensure that the panels are in proper condition and there is no leaking. You can do that by carrying out routine inspections and regular cleanings.

  • Energy-efficiency: Metal siding reflects heat away from your building. This reduces your cooling costs in the summer. Not only that, but it is 100% recyclable.

  • Durability: Metal siding is highly durable. It is resistant to mould, mildew, rot, insects and rodents. It also has a class-A fire rating, making it an excellent choice for all types of buildings. 

  • Long-lasting: Metal siding is an excellent investment because it can last for more than 40 years. Routine maintenance and inspections by trusted contractors like us will elongate its life.

  • Versatility: Lastly, metal comes in a variety of colours and designs. It can complement the overall look of your property and boost your curb appeal.

Would you like to learn more about the benefits of our metal siding in Victoria and the surrounding areas? Please reach out to us, and we will get back to you. We invite you to view our gallery to learn more about us.

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