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Composite decking for Montreal — European design, Québec-tough.
A terrace that survives Québec winters, road salt and freeze-thaw, and still looks like a design piece in summer. Samples and quotes in CAD.
Salt, snow and freeze-thaw, handled.
Montreal's mix of road salt, heavy snow and constant freeze-thaw destroys timber. Tarimatec is salt-spray tested (just 1.25 ΔE colour change), absorbs under 0.6% water, stays flat with low thermal movement, and resists rot and fungi — with Class 3 slip resistance and a 25-year warranty. Une terrasse composite sans entretien.
One material, the whole outdoor space.
Decking
31 tones on a hidden-clip aluminium sub-frame. Explore decking →
Cladding & façade
Carry the deck up the wall. Explore cladding →
AXEL louvre
Privacy and shade, colour-matched. Discover AXEL →
Triplex balconies, rooftop terraces and the Québec code.
Montreal builds differently. The plateau triplex with its exterior staircase and stacked balconies, the flat-roof terrace above a dense Mile End lot, the small back-lane courtyard — these are the spaces Montrealers actually deck, and each asks something specific of the material. Tarimatec is engineered to answer all three, and to survive a winter of road salt and freeze-thaw between them.
RBQ contractors & the Régie du bâtiment
In Québec, deck and balcony work is regulated by the Régie du bâtiment du Québec (RBQ), and Montreal boroughs issue permits under the Construction Code du Québec. Structural work generally must be carried out by an RBQ-licensed contractor. Tarimatec is a surface-and-cladding system that installs over your contractor's engineered sub-structure — it does not change your code obligations, so confirm permit requirements with your borough before you build.
Exterior staircases & stacked balconies
The classic Montreal duplex and triplex carries its living space onto exterior stairs and balconies that take the full force of winter. Tarimatec boards run on a concealed aluminium sub-frame with hidden clips — no protruding screws to lift underfoot, Class 3 / R11 slip resistance for icy treads, and none of the splinters or annual staining pressure-treated wood demands.
Rooftop & flat-roof terraces
On a rooftop terrace above a dense plateau lot, weight and water matter. Tarimatec absorbs under 0.6% water (EN 317) so boards stay dimensionally stable, and the hollow profile keeps the deck light over a membrane. Pair it with a pedestal or sleeper sub-frame — designed by your contractor — to protect the roof assembly and keep drainage clear.
Road salt, calcium & freeze-thaw
Montreal winters mean heavy road salt and calcium tracked onto every surface, plus dozens of freeze-thaw cycles between December and April. Tarimatec is salt-spray tested to just 1.25 ΔE colour change (EN ISO 9227), resists rot and fungi, and moves very little with temperature — so the terrace that looks sharp in July still looks sharp after a Québec winter.
Service en français : consultez notre page terrasse composite pour parler à notre équipe en français.
Tested to European standards — the numbers behind a Québec-winter deck.
Every figure below is from Tarimatec's technical documentation and independent test methods — the properties that matter when a deck has to face Montreal salt, snow and freeze-thaw.
| Property | Tarimatec | Test method |
|---|---|---|
| Slip resistance | Class 3 · R11 | UNE-ENV 12633 |
| Water absorption (24 h) | 0.59% hollow / 0.38% solid | EN 317 |
| Salt-spray colour change | 1.25 ΔE | EN ISO 9227 |
| Fungus / rot resistance | Not attackable | EN 12038 / CEN-TS 15083-2 |
| Reaction to fire (EU) | Euroclass Bfl-s1 | EN 13501-1 |
| Flexural strength | up to 46.4 MPa (solid) | EN ISO 178 |
| Solar Reflectance Index | > 80 | ASTM E1980 |
| Certification | Tecnalia-verified EPD · ISO 9001 / 14001 | Environdec / AENOR |
| Warranty | 25 years | Manufacturer |
Need Canadian CAN/ULC or ASTM code data for a Montreal project? Contact our specification team and we will route the file.
31 tones for a Montreal terrace, balcony or triplex.
Tarimatec comes in 31 tones across three collections — Chromatic, Wood and Ethnic — in brushed Nature, grooved Tecno and deep Surco finishes. It is enough range to suit a grey-stone plateau triplex, a red-brick Rosemont duplex, or a minimalist Griffintown rooftop.
For Montreal's masonry-heavy streetscapes, warm walnut and honey tones sit beautifully against grey stone and brick, while cool greys and charcoals suit a modern rooftop terrace or a black-framed condo balcony. Because it is one coordinated system, the same colour carries from the deck floor up into matching cladding and an AXEL privacy screen — a single material for the whole outdoor room. Explore the full colour range, or order a sample to see the tone against your own facade before you commit.
Composite decking in Montreal, answered.
Do I need an RBQ contractor to build a deck in Montreal?
For most structural deck and balcony work in Québec, yes. The Régie du bâtiment du Québec (RBQ) licenses construction contractors, and Montreal boroughs issue permits under the Construction Code du Québec. Tarimatec is a finished surface-and-cladding system installed over a contractor's engineered substructure — it does not change your code obligations, so confirm permit and licensing requirements with your borough and use an RBQ-licensed contractor for the structural work.
Is composite decking good for a triplex balcony in Montreal?
It is well suited to it. The classic Montreal triplex carries stacked exterior balconies and staircases that take the full force of winter. Tarimatec runs on a concealed aluminium sub-frame with hidden clips — no protruding screws to lift underfoot, Class 3 (R11) slip resistance for icy treads, and no splinters or annual staining that pressure-treated wood demands. It absorbs under 0.6% water (EN 317) so it stays flat through freeze-thaw.
Does road salt damage composite decking in Québec?
Not Tarimatec. It is salt-spray tested to just 1.25 ΔE colour change under EN ISO 9227, so the heavy road salt and calcium tracked onto Montreal decks and balconies every winter will not corrode or discolour it the way it pits and greys other surfaces. There is no timber in the walking surface to rot, and it is classed as not attackable by fungi under EN 12038.If you are cross-shopping brands, you can compare it as a Trex alternative in Canada.
Can I get service in French for a composite deck in Montreal?
Yes. Zinodeck serves Montreal and Québec in both English and French. You can view our French-language page at terrasse composite to explore Tarimatec composite decking and speak with our team in French about samples and project quotes in CAD.
Building a deck in Montreal?
Order a sample shipped across Québec, or request a quote in CAD.