If you’ve priced a deck railing project recently, you’ve likely noticed the numbers are higher than they were a year or two ago. A big part of the reason comes down to trade policy — specifically, the US tariffs on imported aluminum that have reshaped pricing across the North American construction industry.

This article explains what’s happening, how it affects the cost of aluminum deck railing for homeowners and contractors in both Canada and the US, and what you can do to plan around it.

What Are the Current Aluminum Tariffs?

As of early 2026, the United States maintains a 50% tariff on aluminum imports under Section 232 of the Trade Expansion Act. This applies to aluminum products from virtually all trading partners, including Canada, which is historically the largest supplier of aluminum to the US market.

These tariffs were originally introduced in 2018 at 10%, raised to 25% in March 2025 when all country exemptions were eliminated, and then doubled to 50% in June 2025. The tariffs apply not just to raw aluminum but also to a broad range of aluminum derivative products — including fabricated components used in construction, such as railing extrusions, posts, and hardware.

On the Canadian side, the federal government has imposed retaliatory 25% tariffs on US steel and aluminum products entering Canada, with some temporary remissions for specific manufacturing sectors. Canada has also introduced its own tariffs on steel derivative products from all countries to protect its domestic steel industry.

How Does This Affect Deck Railing Prices?

The short answer: aluminum railing costs more than it did two years ago, regardless of which side of the border you’re on. The longer answer depends on where the railing is manufactured, where it’s being installed, and how the supply chain is structured.

For US Homeowners and Contractors

Most aluminum railing sold in the United States is either manufactured domestically or imported from Canadian suppliers. In both cases, costs have risen:

  • Imported Canadian railing entering the US now faces the 50% Section 232 tariff on its aluminum content. This directly increases the landed cost of the product for US dealers and distributors.
  • Domestically produced US railing isn’t tariff-free either. US aluminum producers have raised prices in step with tariff-driven market conditions. Industry data shows aluminum mill shapes in the US increased approximately 30% year-over-year through late 2025.
  • Overall construction material costs in tariff-exposed trades are running 4–6% above the general inflation rate, with aluminum-heavy products at the higher end of that range.

For a typical residential deck railing project, this translates to a noticeable but not dramatic increase compared to pre-tariff pricing. The exact impact depends on the railing system, the length of the project, and the dealer’s sourcing.

For Canadian Homeowners and Contractors

For projects being built in Canada using Canadian-manufactured railing, the tariff impact is less direct — but it’s still present:

  • Raw aluminum prices have increased globally, partly driven by reduced trade flow and supply chain disruption caused by tariff policies. Even Canadian aluminum used in Canadian products is priced in a global market.
  • Canada’s retaliatory tariffs on US steel and aluminum affect any US-sourced components in the supply chain, including some hardware, fasteners, and specialty items.
  • The Canadian government’s “Buy Canadian” policy, announced in late 2025, prioritizes Canadian-made steel, aluminum, and lumber in federal contracts and infrastructure programs — which is positive for domestic manufacturers but may tighten supply availability for residential projects during peak season.

That said, Canadian homeowners working with Canadian-manufactured railing systems are in a relatively strong position compared to US buyers, since the product doesn’t need to cross the border and face the 50% US tariff.

Why “Made in Canada” Matters More Than Usual

In normal market conditions, where a railing is manufactured is mostly a question of quality, lead time, and dealer preference. In the current tariff environment, it’s also a question of cost.

Innovative Aluminum is a Canadian manufacturer based in Aldergrove, BC. Our aluminum railing systems — including Picket, Glass Component, and Infinity Topless — are designed, engineered, and fabricated in Canada.

For Canadian projects, this means you’re working with a domestic product that isn’t subject to cross-border tariffs. For US-based dealers and projects, the tariff situation is a factor — and we work closely with our dealer network to provide transparent pricing and help navigate the current landscape.

Regardless of trade policy, the fundamentals haven’t changed: aluminum remains one of the most durable, low-maintenance, and cost-effective railing materials available. It doesn’t rust, rot, warp, or require repainting — which means the total cost of ownership over 20 years is still significantly lower than wood or steel alternatives that demand ongoing maintenance. We back that confidence with a 20-year structural warranty.

What About Glass Railing and Tariffs?

If you’re considering a glass railing system, the tariff picture is slightly different. The aluminum posts and framing components are subject to the same tariff dynamics described above. However, the tempered glass panels used in railing systems are typically sourced locally by the dealer — not shipped with the aluminum components.

At Innovative Aluminum, we don’t ship glass with our railing orders. Our dealers source tempered glass from local suppliers in their area, which reduces shipping costs, minimizes breakage risk, and keeps the glass portion of the project outside the aluminum tariff framework. This applies to both our Infinity Topless and Glass Component systems.

Tips for Planning a Deck Railing Project in 2026

If you’re planning a deck build or railing replacement this year, here are some practical things to keep in mind:

Get a quote sooner rather than later. Tariff policy has been volatile — rates have changed multiple times since early 2025, and further adjustments are possible. Locking in pricing early gives you more predictability in your project budget.

Ask your dealer where the product is made. In the current environment, the origin of your railing system has a direct bearing on cost. Canadian-manufactured products avoid the US import tariff for Canadian projects, and even for US projects, understanding the supply chain helps you anticipate pricing.

Think long-term, not just upfront cost. Aluminum railing may cost more upfront than wood, but it doesn’t need to be stained, painted, treated, or replaced every few years. When you factor in maintenance costs over the life of the railing, aluminum is consistently the more economical choice — tariffs included.

Don’t wait for tariffs to “go away.” The Section 232 aluminum tariffs have been in place in some form since 2018. While rates have fluctuated, there is no indication that they will be removed entirely. Planning your project around current pricing is more practical than waiting for a policy change that may not come.

The Bottom Line

US aluminum tariffs are real, they’re significant, and they’ve raised costs across the construction industry. But they haven’t changed the fundamental value proposition of aluminum railing: it’s still the strongest, lowest-maintenance, and longest-lasting material you can put on a deck.

What has changed is that where your railing is made matters more than ever. Working with a manufacturer that is transparent about sourcing, pricing, and supply chain gives you the best chance of keeping your project on budget.

If you have questions about pricing, lead times, or how tariffs affect your specific project, contact our team or reach out to your local Innovative Aluminum dealer.

For more on choosing the right railing system for your project, see our guides: Which Type of Deck Railing Is Best for My Deck? and Deck Railing Building Code Requirements.