Composite Decking
Elegant, durable and sustainable outdoor decking.
Composite decking is an outdoor flooring solution made from wood fibres and polymers. It offers the natural look of timber with greater durability and lower maintenance requirements.
It is the ideal solution for anyone looking for composite decking for gardens, swimming pools, balconies, terraces or commercial spaces.
Our CDECK® Composite Decking Ranges
Manufactured in Portugal by IHT, a company with extensive experience in the development of composite solutions for outdoor use, and backed by a warranty of up to 25 years, CDECK® combines aesthetics, durability and easy installation.
It is available in two distinct ranges of composite decking for outdoor use, both using the patented Quick-Fix® installation system, which ensures fast, simple and efficient assembly.
CDECK Original Composite Decking
With an elegant and timeless design, CDECK Original adds a sophisticated and striking finish to any outdoor space.
Colours
Grey
Rose Beige
Beech Beige
Redwood
Chocolate
Dark Black
Board type
Hollow and solid
Dimensions
(L x W x H)
2300 × 140 × 24 mm
Colours
Grey, Rose Beige, Beech Beige, Redwood, Chocolate and Dark Black
Manufactured in Portugal
Up to 25 years of warranty
Recommended Retail Price
Talk to us to find out the price of the complete solution, which will depend on several factors related to the installation method.
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With an innovative design and random colour variations that create an organic and natural finish, CDECK WUUDE offers the closest appearance to real timber.
Colours
Nordic Oak
Natural Beech
Soft Oak
American Walnut
Dark Walnut
Board type
Hollow (double-capped)
Dimensions
(L x W x H)
2300 × 140 × 24 mm
Colours
Nordic Oak, Natural Beech, Soft Oak, American Walnut, Dark Walnut
Manufactured in Portugal
Up to 25 years of warranty
Recommended Retail Price
Talk to us to find out the price of the complete solution, which will depend on several factors related to the installation method.
CDECK SIMULATOR
Simulate your deck in minutes
Draw, choose your materials and find out everything you need.
Main advantages of CDECK® composite decking
CDECK® composite decking combines aesthetics, strength and durability — standing out as a complete solution for outdoor spaces.
It maintains its appearance and structural integrity over the years — resistant to decomposition, rot, discolouration and insect damage.
Unlike natural timber, CDECK® composite decking does not require treatments or painting. Cleaning with water and a neutral detergent is sufficient.
Anti-slip surface (Class 3), free from knots and splinters — ideal for walking barefoot.
Developed to withstand humidity, UV radiation and thermal variations.
Thanks to the Quick-Fix® system, which uses only one screw per board.
Available in a variety of colours, textures and finishes that can replicate the look of natural timber.
CDECK® composite decking is a more sustainable alternative thanks to its durability, low maintenance needs and recyclability — a responsible choice for the environment.
Quick-Fix® installation system
The Quick-Fix® fixing system, developed and patented by IHT, is an innovative solution that allows CDECK® composite decking to be installed up to 3x faster* than traditional systems.
With only one screw per board, and the possibility of removing and reattaching individual boards, maintenance and cleaning become much easier.
- Fast and simple installation.
- Adapts to any type of base — regular, irregular or non-drillable.
- Allows the creation of structures to raise the floor level.
- Boards can be removed individually.
- Easy maintenance thanks to Quick-Fix PRO® clips.
- Finishing accessories available: steps, finishing profiles and others.
*Result observed in an internal installation test (1 installer), on a test module of around 3 m², on a drillable concrete base, comparing the Quick-Fix® installation system (1 screw per board) with a traditional clip fixing system. The time may vary depending on the substrate, cut-outs and site conditions.
Technical Documentation
Consult the technical documentation and install your composite decking with total confidence.
The data below summarise the values declared in the Declaration of Performance (DoP) for CDECK Original boards – hollow-core and solid.
For full details, download the DoP via the link.
Document: Declaration of Performance — CDECK hollow-core and solid boards
Date/Place: Soure, June 1, 2026
Download: Declaration of Performance (PDF)
Physical Characteristics ¹
Characteristic
Hollow Board
Solid Board
Dimensional tolerances – Length
– 5 / + 15 mm
Dimensional tolerances – Width
+ / – 1 mm
Dimensional tolerances – Thickness
+ / – 0,7 mm
Mass per meter and tolerances for decking profiles – Mass / m
2,42 kg/m
4,16 kg/m
Mass per meter and tolerances for decking profiles – Tolerances
+ / – 0,2 kg/m
+ / – 0,2 kg/m
Density and tolerances for WPC of decking profiles – Density
1,387 g/cm³
Density and tolerances for WPC of decking profiles – Tolerances
+ / – 0,15 g/cm³
Product Performance ¹
Characteristics (Method)
Hollow Board
Solid Board
Reaction to fire (EN ISO 11952-2, EN 13501-1, EN ISO 9239 1)
Bfl – s1
No performance assessed
Influence of moisture – Swelling in thickness (EN 15534-1)
2,3%
1,1%
Influence of moisture – Water absorption (EN 15534-1)
5,5%
1,9%
Bending strength (EN 310)
53 N/mm²
58 N/mm²
Modulus of elasticity (EN 310)
6447 N/mm²
6026 N/mm²
Impact strength (EN 477)
+23°C/1 kg
15,5 J
> 20 J
Impact strength (EN 477)
–10 ºC / 1 kg
9,5 J
> 20 J
Slipperiness – Longitudinal Direction (EN 15534-1)
Dry conditions
91
Slipperiness – Longitudinal Direction (EN 15534-1)
Wet conditions
60 (class 3)
Slipperiness – Cross direction (EN 15534-1)
Dry conditions
86
Slipperiness – Cross direction (EN 15534-1)
Wet conditions
62 (class 3)
Pull-through strength of the screw (EN 1383)
1890 N
1874 N
Moisture resistance under cyclic conditions – Decrease of bending strength (EN 15534-1)
fm = 10,24 % / 17,20 %
fm = 6,83 % / 20,67%
Moisture resistance under cyclic conditions – Decrease of modulus of elasticity (EN 15534-1)
Em = 17,97 % / 26,63 %
Em = 12,76% / 20,74%
UV-radiation resistance
Charpy impact strength
(EN ISO 4892-2 (Method A) e EN ISO 179-1)
Before aging: 7,1 kJ/m²
After aging: 4,6 kJ/m²
Surface hardness (EN 1534)
106 N/mm²
108 N/mm²
Density (EN ISO 1183-1)
1,387 g/cm³
Thermal resistance R and equivalent Thermal conductivity λ
R10 (23, 50) = 0,20 m2.K/W
λ10 (23, 50) = 0,124 W/m.K
R10 (23, 50) = 0,15 m2.K/W
λ10 (23, 50) = 0,165 W/m.K
Linear Thermal Expansion Coefficient ²
Characteristics (Method)
Hollow Board
Solid Board
Thermal expansion coefficient (ASTM E228, EN821-1)
-40°C, 80°C
(21,3 ± 0,1) x 10-6 K-1 (x direction)
(50,6 ± 0,8) x 10-6 K-1 (y direction)
Nota: IHT assumes a variation of 30% due to the process production and to factors climatic exposure.
Fonte: Declaration of Performance — CDECK hollow and solid boards (PDF)
¹ Based on the European Technical Assessment ETA 26/0031 dated 27/02/2026
² Based on the test report Thermal Expansion of Decking Material 2013020350/1
The data below summarise the values declared in the Declaration of Performance (DoP) for the CDECK WUUDE board (encapsulated hollow profile).
For full details, download the DoP via the link below.
Document: Declaration of Performance — WUUDE Hollow Board
Date/Place: Soure, June 1, 2026
Download: Declaration of Performance (PDF)
Physical Characteristics ¹
Characteristic
Declared values
Dimensional tolerances – Length
– 5 / + 15 mm
Dimensional tolerances – Width
+ / – 1 mm
Dimensional tolerances – Thickness
+ / – 1 mm
Mass per meter and tolerances for decking profiles – Mass / m
2,52 kg/m
Mass per meter and tolerances for decking profiles – Tolerances
+ / – 0,2 kg/m
Density and tolerances for WPC of decking profiles – Density
1,387 g/cm³
Density and tolerances for WPC of decking profiles – Tolerances
+ / – 0,15 g/cm³
Product Performance ¹
Characteristics (Method)
Declared values
Reaction to fire (EN ISO 11952-2, EN 13501-1, EN ISO 9239 1)
Efl
Influence of moisture – Swelling in thickness (EN 15534-1)
0,8%
Influence of moisture – Water absorption (EN 15534-1)
2,9%
Bending strength (EN 310)
55 N/mm²
Modulus of elasticity (EN 310)
6036 N/mm²
Impact strength (EN 477)
+23°C/1 kg
16,5 J
Impact strength (EN 477)
–10 ºC / 1 kg
10 J
Slipperiness – Longitudinal Direction (EN 15534-1)
Dry conditions
91
Slipperiness – Longitudinal Direction (EN 15534-1)
Wet conditions
50 (class 3)
Slipperiness – Cross direction (EN 15534-1)
Dry conditions
91
Slipperiness – Cross direction (EN 15534-1)
Wet conditions
45 (class 2)
Pull-through strength of the screw (EN 1383)
1889 N
Moisture resistance under cyclic conditions – Decrease of bending strength (EN 15534-1)
fm = 1,12 % / 4,69%
Moisture resistance under cyclic conditions – Decrease of modulus of elasticity (EN 15534-1)
Em = 7,55 % / 10,90%
UV-radiation resistance
Charpy impact strength
(EN ISO 4892-2 (Method A) e EN ISO 179-1)
Before aging: 7,1 kJ/m²
After aging: 4,6 kJ/m²
Surface hardness (EN 1534)
105 N/mm²
Density (EN ISO 1183-1)
1,387 g/cm³
Thermal resistance R and equivalent Thermal conductivity λ
R10 (23, 50) = 0,22 m2.K/W
λ10 (23, 50) = 0,118 W/m.K
Nota: IHT assumes a variation of 30% due to the process production and to factors climatic exposure.
Fonte: Declaration of Performance — WUUDE Hollow Board (PDF)
¹ Based on the European Technical Assessment ETA 26/0031 dated 27/02/2026
CDECK Original® & WUUDE® Technical Data Sheet & Installation Manual
CDECK Original® Catalogue
CDECK WUUDE® Catalogue
CDECK Original® & WUUDE® Warranty
What is the price of composite decking per sqm?
The price of composite decking depends on several factors, such as the type of board, installation method, total area, project complexity and/or the need for specific accessories.
To receive an exact price, fill in the form and we will contact you shortly.
Perguntas frequentes sobre deck compósito
Composite decking is an outdoor flooring made from wood fibres and polymers. It maintains the natural look of timber but offers greater resistance to humidity, sunlight and wear. It is a durable, low-maintenance and comfortable solution, ideal for gardens, swimming pools, balconies and terraces.
Explore our ranges: CDECK Original | CDECK WUUDE
The price of composite decking varies according to the type of board, installation method, total area, project complexity and the need for accessories.
This page includes indicative prices per board.
For a final price per m², including material and all installation accessories, request a personalised quote with the area and type of base.
CDECK® composite decking has an expected lifespan of more than 30 years and offers up to 25 years of warranty, provided it is installed and maintained according to the technical data sheet.
It maintains both colour and structural integrity, resisting UV, humidity, fungi and insects.
Yes. The Quick-Fix® fixing system uses only one screw per board, allowing installation up to three times faster than traditional methods. Boards can be removed individually for cleaning and maintenance. It is recommended to follow the technical installation manual.
No. Maintenance is simple and requires only washing with water and neutral detergent, following the cleaning guidelines.
It does not require varnishing or painting, unlike natural timber.
Read the article “How to clean composite decking“
IHT is a Portuguese manufacturer specialised in composite solutions for outdoor use, with products installed in residential and professional projects across different countries and climate conditions. CDECK® reflects this experience by combining durability, ease of installation and a patented fixing system, with a warranty of up to 25 years.
Technical and commercial Support
Need help choosing the ideal decking? Our technical team, with specialised knowledge of CDECK® solutions and the Quick-Fix® system, is available to support you at every stage of the project.
