Composite decking boards – various types, sizes and colours

DUO composite decking board 23x148 - 3.5 m

Board lengthprice per item

1.8 m€13.01 2.25 m€16.28 2.9 m€20.20 3.5 m€22.88 4 m€26.14 4.5 m€29.41 5 m€32.68 5.8 m€37.91

ColourHoney

Order decking board samplesDelivery is quoted individually before payment.

Cross-section dimensions: 14.8 × 2.3 cm
Length: 3.5 m
Available colours: 5

€6.54 / linear metre · incl. VAT

€22.88

1 pcs · 0.52 m² · €44.16 / m²

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How many m² do you need?We’ll calculate the number of decking boards needed, including 5% extram²Complete project with joists and accessories? Decking calculator →

DeliveryIndividual quoteDispatch time7–10 working days

Dispatch time does not include transit time.

AvailabilityAvailableCollectionSypniewo

Contact

Contact: biuro@gardpol.pl

biuro@gardpol.pl

Team: Mon–Fri, 8:00–16:00.

Ask the experts

DUO 23x148 composite decking board – durability, style and sustainability in one

The DUO 23x148 composite decking board is the ideal solution for anyone looking to create a modern, durable deck. Made from high-quality composite, it combines the appearance of natural wood with exceptional weather resistance and easy care. It is ideal for terraces, balconies, loggias, promenades and pool surrounds.

Key benefits of the DUO composite decking board

✅ Exceptional durability – resistance to moisture, mould, fungi, insects and UV radiation

✅ Natural wood appearance – 3D texture and a choice of on-trend colours

✅ Maintenance-free use – no need for preservative treatment, painting or varnishing

✅ Slip-resistant surface – safe to use even in the rain

✅ Environmentally friendly solution – recyclable material that reduces tree felling

✅ Simple installation – clip system and versatile fitting on composite, aluminium or timber joists

Hollow composite decking boards with a wood-grain texture in five colours.

Technical specifications – DUO 23x148 composite decking board

Board dimensions:
- Width: 14.8 cm
- Height: 2.3 cm
- Available lengths: 1.8 m | 2.3 m | 2.9 m | 3.5 m | 4 m | 4.5 m | 5 m | 5.8 m

Available colours:
- - Honey
  - Copper
  - Chocolate
  - Graphite
  - Light grey

Surface texture:
- 3D wood effect
- Fine grooves (slip-resistant)

Applications:
- Terraces
- Balconies
- Loggias
- Promenades
- Pool surrounds

DUO composite decking board with a wood-grain-effect surface

DUO decking board material composition

60% wood flour
30% high-grade polyethylene (HDPE)
10% chemical additives (enhancers, UV stabilisers)

Dark grey composite decking board with a wood grain and a visible hollow-chamber cross-section.

Quick installation of composite decking boards

Installing the DUO composite decking board is quick and straightforward. All you need is:

a spirit level
a wood saw
a drill driver

The boards are fitted using a clip system that automatically sets the ideal gap between them. This makes installation not only simple, but also neat and precise.

A graphite composite decking board with a grooved surface and round holes in its cross-section.

Why choose the DUO composite decking board?

By choosing DUO composite decking boards, you are investing in:

the appearance of natural wood,
years of durability without maintenance,
a safe, slip-resistant surface,
an environmentally friendly product.

Create a space that will impress with its appearance and functionality for many years to come. The DUO 23x148 composite decking board is a choice that combines modern design, comfort in use and environmental responsibility.

Product reviews (8)

Average rating: 4.75/5.

Read reviews

Marek · 4/5 16.02.2026
Deska tarasowa kompozytowa DUO to strzał w dziesiątkę! Jakość wykonania i wygląd są wyjątkowe, a cena jest adekwatna do produktu. Jestem bardzo zadowolony z zakupu.
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Rafał P. · 5/5 16.02.2026
Deski tarasowe przyszły szybko i były bardzo dobrze zapakowane. Montaż okazał się prostszy, niż myślałem, a efekt końcowy jest rewelacyjny – solidnie i estetycznie. Polecam każdemu!
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Marta P. · 5/5 16.02.2026
Deski kompozytowe DUO to strzał w dziesiątkę. Montaż przebiegł bez problemów, a taras wygląda elegancko i nowocześnie. Cena adekwatna do jakości.
✓ Verified purchase
Marek · 5/5 16.02.2026
Deski tarasowe kompozytowe DUO są świetnej jakości i idealnie pasują na mój taras. Zamówienie dotarło szybko i bez problemów. Jestem bardzo zadowolony z zakupu.
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Maciek · 5/5 08.09.2025
Taras prezentuje się elegancko
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Robert Czarek · 5/5 08.09.2025
Solidne i trwałe, bardzo polecam.
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Bogusław · 5/5 08.09.2025
Dobre i tanie
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M. Korczak · 4/5 22.05.2025
Zamówiłem deski tarasowe kompozytowe i jestem bardzo zadowolony z jakości. Montaż był prosty, a efekt końcowy prezentuje się świetnie. Polecam każdemu, kto planuje budowę tarasu.
✓ Verified purchase

The “Verified purchase” label indicates confirmation by the shop’s staff or verification in the previous version of the shop. The remaining reviews do not have a confirmed purchase.