Hardwood decking, made for life outdoors.

Hardwood Decking

Dense tropical hardwood for terraces, pool decks, roof gardens and boardwalks, recovered from forests that have stood beneath reservoirs for over 30 years, for projects in the UK and the US. The technical performance of tropical hardwood, with nothing newly felled and every batch traceable from the lake to the finished board.

Why submerged hardwood works outdoors

Dense and naturally durable

Tropical hardwoods are chosen for decks because they are dense and naturally durable, and decades beneath the water have not taken that away: the collection keeps their technical performance. In the words of Elodie Delonca of Triton, these timbers are "naturally durable, mechanically resistant". Shown: concept rendering, Inkassa decking.

Hardly degraded by the water

Below roughly five metres (about 16 feet), the reservoir is virtually free of oxygen, so the fungi that cause decay cannot work and the timber hardly degrades. Recovery focuses on the deeper areas; wood from shallow or fluctuating water decays and is not used. Every batch is then graded, dried and technically reviewed. Shown: concept rendering.

Hard and stable underfoot

Triton reports greater hardness and stability in its submerged timber, qualities that count on a deck exposed to the weather and daily use. Balata, known elsewhere as Massaranduba, is very hard and naturally rot-resistant, and Acacia Franc is very durable and suited to work exposed to moisture. Technical data for each species is available on request. Shown: concept rendering, Inkassa decking, terrace ceiling and posts.

One timber, from the first board to the last

Reclaimed decking is usually limited by scarcity, irregular dimensions and inconsistent supply. A recovered forest changes that: decking, steps, pergolas and outdoor furniture can share one species and tone across a whole project, with volume, grade and lead times confirmed at specification. Shown: concept rendering.

The decking species

Triton recommends its Studio species for construction, cladding, decking and joinery: Balata (Massaranduba), Acacia Franc, Angélique (Basralocus), Cumaru, Courbaril (Jatoba), Chawari, Gonfolo, Wapa, Grignon Franc and Bois Rouge. These are the collection's Popular timbers, available in volume, so a single species can run across a whole terrace. Shown: concept rendering, hand samples.

Traceable, with nothing newly felled

Every board comes from trees that were already lost beneath the water, so no living forest is cut. The timber is harvested under a 25-year contract with the national forest office, and each batch ships with a Certificate of Guarantee of Origin, so species and origin are documented for every shipment, in the UK or the US. Photograph: Triton Timber.
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Discover the species, formats and finishes

Download the catalogue for the full palette, the species and formats, and the story behind the collection, or request samples for your project.

Sunken, submerged or bog oak?

Three kinds of timber come back from the water, and they are not the same material. Our guide explains how each one forms, how it looks and where it is used.

Hardwood Decking FAQs

Which wood is best for decking?

Dense, naturally durable hardwoods. Triton recommends its Studio species for construction, cladding, decking and joinery, a range that includes Cumaru and Courbaril (Jatoba). Among them, Balata (Massaranduba) is very hard and naturally rot-resistant, and Acacia Franc is very durable and suited to exterior work exposed to moisture. Technical data for each species is available on request.

Is submerged wood durable enough for outdoor use?

Yes. The collection keeps the technical performance of tropical hardwood, and Triton reports greater hardness and stability in its submerged timber. Each species and batch is still graded, dried and technically reviewed, and suitability is confirmed for each project.

Why hasn't the wood rotted under water?

Below roughly five metres (about 16 feet), the reservoir is virtually free of oxygen, so the fungi that cause decay cannot work and the timber hardly degrades. Recovery focuses on the deeper areas; wood from shallow or fluctuating water decays and is not used. Each species and batch is still graded, dried and technically reviewed before use.

Is it reclaimed or newly felled?

Reclaimed. The trees died standing when the reservoir was flooded and have been under water for decades. Recovering them brings existing timber back into use without felling living forest.

Can it cover a large terrace or a commercial project?

Yes. The Popular species are available in volume, so one timber can run through a whole project. Volume, grade and lead times are confirmed for each project at specification.

How is the origin documented?

Each batch ships with a Certificate of Guarantee of Origin, and the timber is harvested under a 25-year contract with the national forest office. That documentation can support BREEAM Mat 03 responsible-sourcing evidence; credits are confirmed by each project's assessor.

Do you supply projects in the US?

Yes. The collection is offered to projects in both the UK and the US. Start with samples or a presentation by video call; volume, grade, lead times and delivery are confirmed for each project at specification.

When can I order?

The collection is being introduced in the UK and the US now, with first projects delivered from 2027. Reservations for 2027 projects are open: request samples, book a presentation or download the catalogue.

Reserve your timber for 2027

Discuss your project

Volumes are finite and allocated project by project. Request samples, book a presentation by video call or at our Mayfair showroom in London, or tell us about your terrace. We work with clients in the UK and the US.

By Appointment Only

23,24 Berkeley Square, W1J 6HE

[email protected]

By Appointment Only

Elena Padovan, Vice President

[email protected]

By Appointment Only

Unit 6b Battersea Road, Heaton Mersey
Cheshire, SK4 3EA

[email protected]