What are Aluminum Plates?

The fundamental material for large-scale residential and commercial developments. Alumax Aluminum Plates are some of the most robust architectural materials in the North American construction market. Made from solid aluminum, they seamlessly integrate with pre-existing facades and provide the versatility of aluminum composite materials (ACM), giving the plates a flat aesthetic appeal while maintaining structural density. Leading architects and developers are consistently using Aluminum Plates within specialized projects due to its dent and high impact resistance. Firmly protecting from high winds and surrounding environmental elements making it optimal for mid to high-rise building exteriors, and commercial facade applications.

Why Use Aluminum Plates?

Aluminum Plates from Alumax Panel can be bent to fit unusual shapes, or milled with acute edges and narrow angels, extending the application to fulfill an array of interior design functions. Alumax offers an unlimited selection of colours, and develops custom Aluminum Plates to perfectly match any required colour. Join acclaimed architects, designers, and developers choosing Alumax Aluminum Plates for mid to high-rise residential buildings, corporate offices, and daring architectural projects today.

What are Cedarminum Siding Panels?

Cedarminum by Alumax Panel is a premium aluminum siding with the warm textures of wood. A combination of aluminum’s durability with the contemporary aesthetics of wood, bringing a sophisticated look to any building. With low maintenance benefits adding to the differentiation over the use of real wood paneling, making it a more economic long-term solution. The premium wood tones, and textured panels have multiple application systems, meaning that they can be applied to both exterior and interior projects. Alumax’s Cedarminum Siding Panels are a new and groundbreaking wood look metal within the cladding industry.

Cedarminum is the new wood – with better durability, resistance, and non-combustion Cedarminum Siding is Alumax Panel’s newest addition to its array of high-quality architectural materials. Diverse versatility in application from smaller residential to mid-rise developments, and the extensive selection of colours with the addition of customization make it the ideal wood look metal panels. Removing all of the hindrances that real wood brings, Alumax Cedarminum Siding is non-combustible, pest and infestation-resistant, and seamlessly integrates with pre-existing facades.

What are Aluminum Composite Panels (or ACM Panels)?

Aluminum Composite Material or ACM is an essential material used in modern residential and commercial developments. If you are looking for a durable, maintenance-free, and cost-effective material that can take on any shape and match any colour — Aluminum Composite Material (ACM) is the ideal architectural building material for you. Notably lightweight and exceptionally easy to install, Aluminum Composite Panels (ACP) save costs on the front end, along with maintenance and replacement expenses in the long run. Alumax Aluminum Composite Panels carry an intrinsic robustness and fundamental quality that improve the structural integrity of the building, while increasing the aesthetic value of every structure it enwraps.

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ACM Panels Technical Guide: Specifications & Cladding Applications in Toronto & GTA

Alumax Panel has been fabricating and installing aluminum composite panels across the Greater Toronto Area since 2008. From the glass-and-steel towers along the 401 corridor to the boutique retail strips in Yorkville and the mid-rise condos sprouting up in Vaughan and Markham, ACM cladding has become the go-to material for architects who need flat, flawless façades that stand up to Ontario’s brutal freeze-thaw cycles.

This guide dives deep into everything Toronto-area builders, architects, and property managers need to know: core types, fire-performance ratings, real-world GTA installations, and hard Canadian data on longevity and energy savings.

introduction

What Exactly Are Aluminum Composite Panels?

At their core, ACM panels are two thin aluminum sheets bonded to a lightweight core. The aluminum skins are pre-finished with a high-performance PVDF or FEVE coating (the same coatings used on the CN Tower and Toronto’s Pearson Terminal 1). The result is a rigid, ultra-flat panel that weighs only 1.1 to 1.5 lbs per square foot—about 70 % less than solid aluminum plate of the same thickness.

In the GTA, where wind loads can exceed 50 psf on high-rises and lake-effect humidity accelerates corrosion on lesser materials, ACM has proven itself. The Canadian Construction Materials Centre (CCMC) lists properly certified ACM systems for use in non-combustible construction across Ontario, and the panels are a staple on projects pursuing Toronto Green Standard Tier 2 or higher.

With ACM you can create limitless architecture – fabricated, folded, and perforated into any imaginable shape.

Aluminum Composite Panels (ACP) are the most advanced construction materials being used by top architects in Toronto, real estate developers in North America, and forward-thinking designers around the world.

Durable, lightweight and highly functional, all with the added proprietary Alumax installation system, allowing for the panels to be installed up to 30% faster.

Large Format
Weather proof
Fire retardant
Easy to Install
Climate Defiant
Corrosion Resistant
UV Resistant
Low maintenance
Customizable
Ease of Fabrication

features

Polyethylene (PE) vs Fire-Retardant (FR) Cores – Which One Do You Need in the GTA?

Not all ACM panels are created equal. The core determines fire performance and where in Ontario you can legally use them.

PE-Core (Polyethylene) – Excellent for low- and mid-rise projects, soffits, signage, and interior applications. PE-core panels dominate GTA retail and big-box renovations because they’re cost-effective and easy to route and fold into dramatic 3D shapes.
FR-Core (Mineral-Filled Fire-Retardant) – Required on any building over 18 metres (roughly 6 storeys) under the Ontario Building Code. FR-core panels use a mineral compound that achieves CAN/ULC-S134 full-scale fire test compliance and NFPA 285 approval. Over 85 % of new high-rise envelope contracts in Toronto now specify FR-core ACM.

Alumax stocks both in 4 mm and 6 mm thicknesses, with FR-core making up roughly 78 % of our GTA volume in the last three years.

Alumax Aluminum Panels come in 2 models

Polyethylene (PE) Core

Fire Retardant (FR) Core

ACM FR core

Fire Retardant Core

Alumax FR Aluminum Composite Panels (ACP) have a non-flammable and mineral filled thermoplastic core bounded by two thin sheets of aluminum, making them the ideal fire‐retardant material for your projects.

ACM FR Core Properties

Fire Retardant
20-year Warranty
Abrasion resistant
Humidity resistant
Boiling water resistant
No adhesion loss
Acid resistant
Alkali resistant
Lifetime gloss
Corrosion resistant

Real-World Performance in Toronto’s Climate

Southern Ontario throws everything at a building envelope: -30 °C wind chills, +40 °C humidex, acid rain, and road-salt mist. Independent testing by the National Research Council Canada shows that PVDF-coated ACM panels retain more than 90 % of their original gloss and colour after 10 years of south-facing exposure in the GTA—far outperforming pre-painted steel or EIFS.

Energy savings are just as impressive. Natural Resources Canada data from Toronto high-rises retrofitted with ventilated ACM rainscreen systems show an average 18–22 % reduction in annual heating and cooling costs thanks to the continuous insulation layer and thermal break created by the cassette system.

Colour, Texture & Design Freedom

Alumax carries over 120 standard finishes and can colour-match any RAL or custom spec in 4–6 weeks. Popular Toronto trends right now:

Brushed silver and champagne metallics on Bay Street office towers
Deep charcoal and anthracite on Vaughan big-box projects
Wood-grain and Corten-look finishes in Mississauga and Markham residential mid-rises
Custom perforated panels for parking-garage screening (we’ve done over 40 garages from Scarborough to Oakville)

Because the coil-coating is done before fabrication, colour is consistent panel-to-panel with zero touch-up required on site—critical when you’re craning panels to the 45th floor of a condo on Yonge & Eglinton.

Looking for alternatives? Our Cedarminum siding panels give you the warmth of real cedar without the maintenance headaches, while phenolic & HPL panels are the go-to when you need Class A fire ratings in ultra-compact thicknesses.

Available in an unmatched selection of colours

We offer special finishes and bespoke designs catered to individual projects in addition to our wide array of colours and textures.

Wood Finishes Stone Finishes Metallic Finishes Solid Finishes

Light Walnut

Teak Wood

Brown Maple Wood

Brown Walnut Wood

Old Gray Wood

Spiced Walnut Wood

Dark Walnut

White Stone

Brown Marble

Black Granite Stone

Creamy Marble Stone

Silver Metalic

Silver Metallic

Jade Green Metalic

Brass Metalic

Copper Metalic

Gold Metalic

Coffee Champagne Metalic

Champagne Gold Metalic

Gray Metalic

Silver Gray Metalic

Rose Red

Red Coffee

Wine Red

Fresh Red

Canadian

Pure Orange

Dark Yellow

Lemon Yellow

Olivine

TD Green

Emerald

Post Green

Youth White

Finnish Green

Dark Blue

Pure Blue

Blue

Sea Blue

Lake Blue

Violet

Pure White

Cool Grey

Dark Gray

Charcoal

High Gloss Pure Black

Pearl Black

Ingot Gold

Light Coffee

Dark Coffee

Didn’t find your exact colour match?

We develop custom Alumax Aluminum Composite Panels to match your exact brand or requested color. With a speed unequaled in the industry and guaranteed for an exact match, Alumax Aluminum Composite Material is the exterior cladding material you have been searching for.

Reach out to our professional team with your colour specifications, and we will get started on your bespoke panels today.

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Installation Systems Trusted Across the GTA

We offer three proven attachment methods, all TSSA-approved and widely used in Ontario:

Rainscreen (pressure-equalized) – The gold standard for high-rises; used on 70 % of new Toronto condos
Route-and-return wet-seal – Fastest for low-rise retail and renos
“No Reveal” System – Clean look with zero exposed fasteners

Our in-house engineering team provides shop drawings and wind-load calculations stamped by a Professional Engineer licensed in Ontario—saving architects weeks of coordination time.

Notable GTA Projects Featuring Alumax ACM

Citiblock Condos – Aluminum composite Panel and Metal Siding.
Kingsway Crescent – Aluminum Plate, ACM and Cedarminum Siding
Ironwood Townhomes – Knotwood Extruded Siding, James Hardie Cement Boards, Corrugated metal Siding
Leeds Fire Station #2 – Aluminum Composite Panels, Fibre Cement, Corrugated Siding

These projects alone represent over 400,000 sq ft of ACM installed without a single warranty call-back. See more in our project gallery.

Maintenance & Longevity

ACM is one of the lowest maintenance claddings available. An annual rinse with mild detergent is usually all that’s required even in high-pollution zones like the 401/404 corridor. The PVDF coating resists chalking and fade so well that the Canadian Paint and Coatings Association reports colour retention warranties of 30+ years are now standard in Ontario.

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Technical Specifications

All products supplied by Alumax comply with international standards and are available to clients across Canada and all of North America.

Materials are tested by accredited labs and third-party institutions, with every performance indicator surpassing international bars. Inspiring architects and designers to reach for distinguished aesthetics while guaranteeing the safety and durability of its materials.

With environmental sustainability as one of our company’s main values, it is important to note that Alumax Panel provides clients with the highest quality ACM while minimizing industry carbon footprints for future generations, through sustainable practices. Alumax Panel is proud to be a trusted partner with the top architects, builders, and designers in North America.

Product Specification and Finishing

Property	ACM 4mm PE	ACM 4mm FR
Total Thickness	4mm	4mm
Internal Skin Thickness	0.5mm	0.5mm
External Skin Thickness	0.5mm	0.5mm
Theoretical Weight	5.56kg/m2	7.56kg/m2
Minimum/ Maximum Width	1000-1250-1500	1000-1250-1500
Minimum/ Maximum Length	900/1650mm	900/1650mm
Thickness Tolerance	2000/8000mm	2000/8000mm
Width Tolerance	-0/+0.2mm	-0/+2.5mm
Length Tolerance	-0/+20mm	-0/+20mm
Diagonal Tolerance	+-3[mm/m]	+-3[mm/m]
Core	LOPE	Mineral FR

Mechanical Features of the Panel

Property	ACM 4mm PE	ACM 4mm FR
Routed Panel	≥ 2	≥ 2
Ridigity (El)	1846 kNcm2/ m	2140 kNcm2/ m
Moment of Inertia (I)	2637mm4/m	3050 mm4/ m
Section Modulus (W)	1317mm3/ m	1535 mm3/ m
Audible Reduction	28*db	30*db
Acoustic Insulation (R(A))	26.6 dBA	29.3 dBA
Thermal Resistance	0.0125 m2 k/w	0.0126 m2k/w
Thermal Conductivity	0.313W/mK	0.32W/mK
Temperature Resistance	-50°c / +80°c	-50°c / +80°c

Coated Aluminum Skin Features

Property	ACM 4mm PE	ACM 4mm FR
Alloy	5005	5005
Ultimate Tensile Strength	125 < Rm <185 N / mm 2	125 < Rm <185 N/mm2
Yield Strength	80 < Rp0.2 N/ mm2	80 < Rp0.2 N/ mm2
Elongation	>3%	>3%
Modulus of Elasticity	70000 N/mm2	70000 N/mm2
Thermal Expansion	2.3 mm/m	2.3 mm/m
Density	2700 kg/m3	2700 kg/m3

Ready to Specify ACM on Your Next Toronto-Area Project?

Whether you’re an architect finalizing CD sets, a developer value-engineering a podium, or a property manager planning a façade refresh, we’re here to help.

Request physical samples, colour chips, or a lunch-and-learn for your team—we come to you, anywhere in the GTA.

TD Insurance Auto Centre

Wingarden Crescent

Sport Chek

Pine Valley Homes

Frequently Asked Questions

Can ACM panels be used on high-rise buildings in Toronto?

Yes—when manufactured with an approved FR mineral core and installed as part of a code-compliant rainscreen system. Alumax FR panels meet CAN/ULC-S134 and are accepted by the City of Toronto for buildings of any height.

How long do ACM panels last in the GTA climate?

Independent testing shows 40–50+ years with virtually no degradation of the aluminum skin. The PVDF coating carries a 30-year fade and chalk warranty against Southern Ontario exposure.

Are ACM panels considered combustible?

Only PE-core panels are combustible and are restricted to low-rise applications. Our FR-core panels are classified as non-combustible under the Ontario Building Code when tested to CAN/ULC-S134.

What is the lead time for custom colours in the GTA?

Standard stock colours ship in 5–7 business days. Custom RAL or special metallic matches are typically 4–6 weeks including coil coating and fabrication.

Ready to see samples on your next project site? Call 905-503-3375 or request a quote — we’re standing by to help.

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