If you like to tinker and have an outdoor space, you can easily mount a composite slat deck. The latter are very similar to wood visually while being less fragile, and especially much more affordable. It is therefore a very good option to make a resistant and aesthetic terrace at a lower cost. To create your composite terrace, you need blades, of course, but also some accessories such as screws, felt for insulation or protective strips for joists. You will find everything you need in the selection below. We will also give you advice to make your composite terrace step by step and in the best conditions.
Our selection:
Composite board, Atlas Naterial
Leroy Merlin
€37.93
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Make your terrace yourself by combining these Atlas composite boards from the Natorial brand. They are made from wood from FSC-certified forests. These boards are resistant to stains and UV rays from the sun. They attach to each other using clips and require little maintenance to maintain their shine. They are honeycombed and therefore light.
- FSC Forest
- Stain and UV resistance
- Fastening with clips
- Easy maintenance
Composite boards, Luxia So Garden
Leroy Merlin
€78.45
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With honeycomb structure, these Luxia composite boards from So Garden are lightweight and easy to install. They are guaranteed for 10 years and keep their beautiful appearance. If these boards are well resistant to stains, UV rays of the sun and bad weather, they are however quite sensitive to scratches. They are also quite expensive per square meter.
- Honeycombs
- Stain, UV and weather resistance
- 10-year warranties
- Easy installation
- Price
- Sensitive to scratches
Protective lambourde band, Jouplast
ManoMano
€25.15
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DIY private
€25.90
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Leroy Merlin
€25.90
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Cdiscount
€25.99
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DIY market
€28.31
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Your joists must also be protected, and to do this, you can use this band of the brand Jouplast. It is 20 meters long and 7.7 centimeters wide. This tape is tear-proof and it is made in France. It offers protection against moisture, but also very extreme conditions such as frost or very high temperatures.
- Made in France
- Unheartbroken
- Protection against moisture
- Withstands extreme conditions
- Easy to use
Geotextile felt, Onduline
Leroy Merlin
€22.90
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Do you want to prevent weeds from growing between the slats of your terrace? So nothing like this roll of Onduline geotextile felt measuring 20 meters long by one meter wide. This felt also helps stabilize your floors to install a flat terrace. Its use is easy. On the other hand, it can tend to tear in contact with gravel.
- Limits herb regrowth
- Stabilizes soils
- Easy installation
- May tear on contact with gravel
Bag of 20 acoustic gums for stud, Jouplast
ManoMano
€11.12
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Leroy Merlin
€12.90
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Do you put a terrace on studs? So consider installing acoustic pads. They will reduce noise as well as resonances. It is a batch of 20 gums of the Jouplast brand and they are pre-cut and cut-out to adapt to a maximum of studs. Thanks to these erasers, your terrace will also be more stable.
- Noise and resonance reduction
- Pre-cut and cut-out
- Better stability
Set of 100 screws for board, Atlas Naterial
Leroy Merlin
€27.90
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Are you planning to install a deck made of wood or composite slats? Then you can use these Atlas board screws of the brand Naterial. This is a lot of 100, enough to easily achieve your entire terrace, even a large area. They are easy to use. If the screws are strong, the plastic tips are a little more fragile.
- Pack of 100
- Easy to use
- Solid screws
- Strength of plastic
Set of 48 insulation pads
Leroy Merlin
€23.90
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ManoMano
€29.80
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DIY market
€29.80
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Bricorama
€29.80
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Cdiscount
€31.40
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Install a flat terrace that does not squeak too much by installing these insulation pads. They are made of recycled natural rubber. This is a set of 48 stamps and they are all pre-cut so they can be easily separated according to the dimensions you need. These pads are made of France and their installation is simple and fast.
- Made in France
- Noise reduction
- Pre-cut
- Good stability
- Recycled natural rubber
Composite floor protector, Star Brite
Leroy Merlin
€32.90
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Keep a beautiful and vibrant deck by applying this composite floor protector from Star Brite. It has a very useful water-repellent effect to shelter your terrace from the weather. This product has good coverage and you will only need to pass one coat to treat your deck. In addition to reviving colors, this protector reduces stains and scratches.
- Water repellent effect
- Good coverage
- Revive the colors
- One layer is enough
- Reduces stains and scratches
What are the preparations before installing a composite deck?
If installing a composite terrace yourself in your garden or on your balcony is a task accessible to all, it requires a little preparation. In particular, you need a healthy base and therefore need to prepare your soil. A concrete slab is recommended on an earthen floor. Remember to tilt it at about 5 degrees to allow the water to drain when it rains. You can also place your composite blades directly on an earthy floor, provided you clean it well, create a small inclination and install a geotextile that will prevent grasses from growing and overflowing on your composite blade deck. Finally, take the time to measure the exact dimensions of your future deck to ensure you have enough blades and all the other necessary elements.
How to install composite decking boards?
Let's move on to the installation of the composite slat terrace, there are several steps to follow:
- Do peripheral lambourding: Delimit the construction space using peripheral joists on each side of the terrace that make up your frame. When installing, respect the 15 mm expansion distances between the joists;
- Install the interior composite joists: they support your composite decking boards. It is recommended to choose joists of the same brand as the blades so that the expansions are identical. Place each joist 40 cm from its neighbor;
- Attach the blades: they are usually provided with clips to be attached to each other. To attach them to the joists, use a drill and screw them on. Be sure to shift them slightly from each other to obtain an aesthetic result;
- Make peripheral finishes: for the edges of the terrace, use matching skirting boards. They will finalize your terrace, but also protect it. They can be made of wood, PVC or aluminum;
- Clean: During installation, dust will be released, and it is important to remove it to prevent the formation of stains or mold. You can use a low-pressure jet.