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Tarion compliance and outdoor flooring warranty program is one of the defining features of the Ontario new-home construction industry. It’s also one of the most misunderstood areas when it comes to outdoor flooring. Balconies, decks, and rooftop terraces sit at an intersection of Tarion coverage, manufacturer warranty, and homeowner maintenance responsibility.
This guide clarifies how Tarion applies to deck tile installations in new home builds — what’s covered, for how long, and what falls outside coverage.
First-year Comprehensive Coverage
Tarion’s first-year warranty covers defects in materials and workmanship. For deck tile installations, this typically means the tiles themselves and the installation quality are both covered — as long as the manufacturer’s installation specifications were followed.
Documentation is critical here. Keep records of the product used, installation method, and any manufacturer certifications for your installation crew. If a warranty claim arises in year one, this documentation is what determines whether Tarion coverage applies or whether the homeowner needs to pursue the manufacturer directly.
Two-year Electrical, Plumbing, and Building Envelope Coverage
The two-year Tarion warranty is where outdoor flooring gets interesting. If a deck tile installation was improperly installed and causes damage to the building envelope (like membrane damage on a rooftop terrace), that’s a two-year Tarion issue.
This is why deck tile installations on membrane rooftops need to use elevated systems (like Designer Deck’s Porsets porcelain on built-in micro-adjustable pedestals) that don’t penetrate or damage the membrane. Any product installed with fasteners into a rooftop membrane creates a two-year Tarion exposure that builders should avoid.
Seven-year Major Structural Warranty
The seven-year structural warranty rarely applies to deck tile installations directly, but it can apply if outdoor flooring installation caused structural damage. This is another argument for non-penetrating, floating installations like Designer Deck’s system — they eliminate the risk of long-term structural exposure entirely.
For builders, the safest approach is to specify deck tile products that are explicitly designed for non-invasive installation on residential slabs and membrane rooftops. Designer Deck has been the choice for Ontario builders for over 40 years partly because of exactly this compatibility with Tarion coverage frameworks.
Frequently Asked Questions
Ques: Are deck tiles covered under Tarion warranty?
Ans: Yes, for the first year deck tiles are covered as part of the general workmanship warranty. Longer coverage depends on whether the installation affects the building envelope or structure.
Ques: What happens if a homeowner damages the deck tiles?
Ans: Homeowner-caused damage is not covered under Tarion or manufacturer warranty. Providing clear care and use instructions at closing helps prevent this — including avoiding rock salt (which leaves residue) and using pet-safe cleaners.
Ques: Do we need Tarion approval to install deck tiles in new builds?
Ans: No specific Tarion approval is required for deck tiles, but you must follow the manufacturer’s specifications to maintain warranty compliance.
