Adjustable Pedestal Systems: suitability for EPDM roofs
Content
Modern construction and architecture is increasingly looking for solutions that combine functionality, aesthetics and durability. Adjustable pedestal systems are one such solution. These systems make efficient use of EPDM roofs by turning them into recreational spaces. They not only protect the waterproofing, but also allow the installation of various floor coverings such as tiles, WPC (wood-plastic composite) or wooden terrace boards.
In this article, we will discuss why adjustable pedestal systems are the ideal solution for EPDM roofs, their height adjustment options, how they can be adapted to tiles, WPC and wooden terrace boards, and how to combine green roofs with lounge areas.
Why choose adjustable pedestal systems on EPDM roofs?
EPDM (ethylene propylene diene monomer) coating is one of the most popular waterproofing materials used for roofing applications. It is flexible, resistant to UV rays, temperature fluctuations and humidity, making it ideal for roofs in service. With adjustable pedestal systems, EPDM roofs can be transformed into aesthetically pleasing and functional areas for relaxation and entertaining.
Key benefits:
- Waterproofing protection
The pedestals ensure that the floor covering (tiles, WPC or boards) does not come into direct contact with the EPDM surface, so that the waterproofing remains undamaged. - Ensuring drainage
A raised floor surface allows rainwater to drain freely, avoiding puddles or moisture build-up. - Easy installation
The pedestals do not require fixing to the EPDM coating, avoiding drilling or other damage. - Height adjustment
The possibility to adjust the height of the pedestals makes it possible to compensate for irregularities in the roof surface and create a smooth floor surface. - Versatility
The pedestals can be fitted with tiles, WPC terrace boards or wooden planks, giving you a wide range of design options.
Height adjustability: from minimum to maximum
One of the most common challenges when installing terraces on EPDM roofs is the limited door threshold or the small height difference between the roof covering and the door. In such cases, adjustable pedestal systems become an indispensable solution. They allow precise adjustment of the height of the floor covering, ensuring that the terrace is not only aesthetic but also functional.
Basic height adjustment ranges:
- Minimum height:
Some pedestals can be adjusted from 10-15 mm high. This is particularly useful if the door threshold is very low or minimal lifting is required. - Medium range:
Commonly used pedestals are adjustable from 40mm to 460mm. This range is suitable for most projects as it allows small irregularities in the roof to be smoothed out and adequate drainage to be provided. - High height:
In some cases, pedestals can be adjusted up to 1000 mm or more. Such solutions are suitable for the installation of raised terraces on very uneven surfaces, or for concealing pipes, cables or other infrastructure under the floor.
Tiles, WPC or wooden planks: which to choose?
When choosing a floor covering, it is important to consider not only aesthetics but also practical aspects such as door thresholds, roof construction and maintenance needs.
Tiles
- Minimum height: ~10-15 mm
Tiles are the ideal solution when minimal lift is required. They are mounted directly on the pedestals, thus taking up less space. - Aesthetics: modern, minimalist design.
- Maintenance: easy to clean, stain, UV and moisture resistant.
- Installation complexity: Easy installation directly on the pedestals.
WPC (wood-plastic composite) boards
WPC boards are becoming increasingly popular due to their durability and minimal maintenance. They are resistant to moisture, UV rays and warping, making them ideal for outdoor terraces.
- Minimum height: ~35-40 mm
This height includes the pedestal and beam profile. WPC boards require slightly more space than tiles. - Aesthetics: modern, natural wood-like design with many colour options.
- Maintenance: minimal maintenance – WPC boards do not require oiling or staining.
- Installation complexity: additional structure (beams, fixings) is required.
Wooden planks
Wooden planks provide a natural and cosy look, but require more maintenance than tiles or WPC planks.
- Minimum height: ~35-40 mm
Like WPC boards, wooden boards are mounted on beam profiles and therefore require additional space. - Aesthetics: natural, warm design, perfect for cosy terraces.
- Maintenance: regular maintenance – oiling, cleaning, moisture protection – is required.
- Installation complexity: additional structure (beams, fixings) is required.
Comparison of tiles, WPC and wooden planks
| Criterion | Tiles | WPC boards | Wooden planks |
|---|---|---|---|
| Minimum height | ~10-15 mm | ~35-40 mm | ~35-40 mm |
| Aesthetics | Modern, minimalist design | Modern, natural wood look | Natural, warm design |
| Maintenance | Easy to clean, stain resistant | Minimum maintenance requirement | Requires regular maintenance |
| Resistance | UV-resistant, moisture resistant | UV-resistant, moisture resistant | May be more sensitive to moisture |
| Installation complexity | Easy installation | Requires additional construction | Requires additional construction |
| Price | May be more expensive, longer lasting | Medium price, long life | Often cheaper, but shorter lasting |
Green roofs and terraces: compatibility
Green roofs and terraces on pedestals can be perfectly combined to create a unique multifunctional space. Green coverings can be installed around the terrace areas, giving a sense of naturalness and ecology.
Advantages of combining green roofs with terraces:
- Aesthetics: green roofs add naturalness and terraces add functionality.
- Ecology: Green cover improves air quality, reduces heat island effect and absorbs rainwater.
- Insulation: green roofs help to improve the thermal and acoustic insulation of a building.
- Multifunctionality: terraces and green roofs can be used together to create space for relaxation, entertainment or even gardening.
Conclusion
Adjustable pedestal systems offer a wide range of options for terraces on EPDM roofs, even with limited door threshold heights. Tiles are the ideal solution when minimal lifting is required, WPC boards offer a modern and durable solution with minimal maintenance, while wooden boards offer a natural and cosy feel but require more maintenance.
Depending on the needs of the project, adjustable pedestal systems can be customised from 10-15 mm up to 1000 mm or more, ensuring that each solution is functional, aesthetic and durable. EPDM roofs are not just about waterproofing, but also about creating a sustainable, functional and aesthetic space that will last for many years.
What are adjustable pedestal systems?
These are brackets that allow terraces to be installed on a wide range of surfaces, while protecting the waterproofing and ensuring drainage.
What are their main advantages?
Protects waterproofing, ensures drainage, easily adjustable height, suitable for various surfaces, no drilling required.
Which coatings are suitable for these systems?
Tiles thinnest (10-15 mm), WPC boards thinnest (~35-40 mm), wooden boards thinnest (~35-40 mm).
How is drainage ensured?
The floor is lifted off the surface to create a gap for water drainage.
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