Frequently Asked Questions

All our stabilisation grids can support weights that are perfectly suited to traffic.

Greenplac® can support up to 600 t/m² when filled with grass.

The mechanical strength of our grids is the fundamental criterion in our development process, ensuring soil stability.

Installing a deck with Fixego® takes approximately 10 to 15% longer than traditional installation methods. The initial installation requires greater precision and therefore takes a little longer. However, preparing and installing the boards takes the same amount of time.

Whether you will need planning permission or not to create your raised terrace patio will depend, among other things, on the height, the surface, the type of patio you envision, and its location. We advise you to contact your city’s council before starting any construction work to check the local building codes that apply to your situation.

The best times to install a raised decking area are spring and autumn, as the temperatures are milder. However, installing a raised patio requires little ground preparation. It is therefore entirely possible to install it in the winter.

It is necessary to prepare the surface on which your slab terrace will be installed. An unprepared ground (such as installing directly on a lawn) may change and shift over time, depending on the load it supports and weather conditions (drought, heavy rain, etc.). Therefore, it is essential to stabilize the ground to ensure the long-term durability of your project.

No, 10mm pedestal height extenders can’t be stacked.

Jouplast snappable flat packers are easy to handle and adjust. They can also be used singly in one piece or snapped into 2 or 4 sections, stacked and/or combined with ridged wedges. They can be screwed, glued or screwed to provide maximum stability as work progresses.

The Jouplast® acoustic damper is a shock absorbing pad specifically designed for ceramic tiled, stone or concrete terraces built on riser pedestals. Made from recycled tyre rubber, it damps vibrations and reduces impact noise and resonances. Located on the head of the riser pedestal, it improves paving grip and helps to compensate for differences in paving thickness. The results of CSTB test AC20-26087574 demonstrate that its use reduces resonances by half, compared with a riser pedestal alone, improving comfort in use and delivering optimal acoustic performance.

The number of pedestals required depends on the format of the paving used and the total surface area:

• For a 20 m² paved terrace using 60 x 60 cm paving slabs: 80 pedestals (4 pedestals per m²).
• For a 40 m² paved terrace using 80 x 80 cm paving slabs: 280 pedestals (7 pedestals per m²).

The exact number of pedestals required may vary depending on the type of paving and the recommendations of the manufacturer.

MODULESCA® 93 cm steps must be installed on stabilised ground or suitable sub-structure (riser pedestals, legs (up to a maximum of 3 steps), bearers, etc.). Step assembly requires just two tools: a screwdriver and a spirit level. To calculate the number of steps you need, the recommendation is to use the MODULESCA® configurator.

Fixego® must be used for timber decking projects where DTU 51.4 compliance is required. The fastening system is screwed directly to the joists. Once in place, it secures the decking boards and spaces them regularly, while facilitating free air circulation and rainwater drainage. We recommend the use of joists made from the same type of timber as the decking boards. Using Fixego® with flexible or unstable timbers, such as acacia, is not recommended. We also advise against using Fixego® with joists less than 45mm wide.

To use the Jouplast® paving lifter, simply insert the hook into the space between the paving slabs (joints must be at least 3 mm wide), then gently lift the slab and grip firmly it with your other hand. It is important to remember that this tool must not be used to carry or move paving slabs, but only to lift them temporarily the purpose of accessing components beneath the terrace paving.

The Jouplast® paved side finishing plate support kit is designed to hold terrace-edge paving firmly in place and prevent tipping of terrace-edge paving by eliminating any overhang. It ensures the stability and safety of finished terrace installations. This kit can also be used with extenders for additional height adjustment, giving you even greater flexibility in completing your terrace project.

No, this extension is compatible only with Essentiel standard adjustable pedestals for paved terraces (minimum pedestal height: 40mm). It is not compatible with self-levelling pedestals.

Choosing ceramic tiles for your terrace is primarily about aesthetics, but not only.

Here are some criteria to keep in mind:

Anti-slip: Safety is paramount, especially outdoors. Opt for tiles with an anti-slip finish to prevent falls, especially during rainy weather.

Weather resistance: Choose tiles that are resistant to frost, UV rays, and temperature variations. Porcelain stoneware is often recommended as it represents a good compromise.

Ease of maintenance: Select materials that are easy to clean and maintain. Glazed porcelain stoneware is a good option as it is stain-resistant and can be easily cleaned with a brush and soapy water.

Thickness and format: For an outdoor terrace, a thickness of at least 20 mm is recommended to ensure good durability. Square formats of 60×60 are very common.

Our stabilisation grids for paddocks and agricultural land are guaranteed for 10 years in accordance with our general terms and conditions of sale and installation advice, as are all our products.

To successfully build a raised deck with composite cladding, it is essential to choose it carefully and install it properly. The various types of composites offer numerous elegant and modern options. Composite decking boards mimic the look of wood, without the maintenance hassles.

There are several manufacturing methods for composite decking boards:

• Mono-extruded: these boards are manufactured by mixing the components in a single step. These boards are more affordable but not very durable.
• Co-extruded: these boards benefit from additional protection, making them more resistant to UV rays and the elements.

Composite decking boards can be made from different components:

• Wood fibres and plastic for a natural wood appearance
• Additives to improve resistance to mould and pests, and a look that leans more towards exotic woods

Finally, composite decking boards can have several types of finishes:

• Boards with a smooth finish are slip-resistant and easy to clean
• Boards with a grooved finish offer a warm, textured wood finish but can be slippery and difficult to clean, particularly around a swimming pool or in a garden.

The use of a gravel stabiliser is not mandatory, but it is strongly recommended for several reasons:

• Prevention of sinking and dispersion: without a stabiliser, gravel can sink into the ground and disperse, creating uneven and unstable surfaces.
• Improved drainage: gravel stabilisers, often used with geotextile, allow for better water infiltration, reducing the risk of puddles and erosion.
• Aesthetics and maintenance: a stabiliser keeps the gravel in place, maintaining the aesthetic appearance of the landscape and facilitating its maintenance.
• Durability and resistance: gravel stabilisers increase the durability of the gravel surface, supporting heavy loads and withstanding harsh weather conditions.

In summary, although not mandatory, their use offers many practical and aesthetic advantages that can greatly improve the quality and longevity of your outdoor landscaping.

Must-have tools to build a raised patio on pedestals usually include:

• A spirit level
• A masonry ruler
• A chalk line
• A wet saw
• A laser
• A vibratory plate compactor

The lifespan of a wooden terrace depends largely on the quality of the substructure. That is why we advise you not to overlook this part, even though it is hidden from view. When building your raised timber decking, you must especially ensure that the weight is distributed evenly, that the substructure is well ventilated and protected from rainwater using a joist protection strip, and that the correct spacing between the boards is maintained, etc. All these details matter.

To ensure your deck has a long life, it is also important to maintain it regularly. To do this, remember to protect and clean it regularly. Take care of your wood, and it will repay you!