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According to DIN 4095, drainage layers must be arranged on ceilings that are to be covered with earth so that excess water can be safely drained away. As a rule, drainage layers are applied over the entire surface, not only under greenery, but also under pavements, terraces, play areas, etc. Floradrain® FD 60 neo, Stabilodrain® and Elastodrain® can even be used under pavements. With correspondingly high drainage elements, puddles can be bridged or the underside sewer system can be used for impoundment irrigation. This is of particular interest for intensive greening on zero-degree roofs. Drainage elements of the Floratherm® type even have a "general building authority approval" as additional thermal insulation.
Technical Information
Installation Instructions
This installation instructions describe the essential steps of using this product. In addition, please observe the relevant standards and guidelines, in particular the provisions of occupational health and safety.
If there is a risk of storms, the installation should not take place.
IMPORTANT: Rolls that have been in the sun can heat up differently, which can cause the freshly rolled out strips to be somewhat arc-shaped. Therefore, leave the sheets for a short time before they are connected to each other.
1) Installation:
The PV system filter is laid under the Fixodrive® as a protective layer. The FX 50 is laid over the entire surface with an overlap of approx. 3 cm, so that the connecting studs can be pressed into each other on the long sides. It is important to make sure that the fleece-laminated side is on top. The one-sided fleece overhang covers the web joint.
To protect against UV radiation and blowing away, the drainage membrane must be covered after installation.
A vibratory plate can be used to compact the ballast, but it must be taken into account that the work is taking place on a roof surface. Select the vibratory plate accordingly so that the vibrations of the ceiling plate do not become too great.
Foundations/back supports are built on the filter fleece.
2) Cutting:
The drainage sheet can be cut with a cutter knife (with a hard blade) or a hot wire. When cutting, care must be taken to ensure that the layers that have already been laid are not damaged under any circumstances! If damage does occur, it must be reported and repaired immediately.
Above roof drains, the drainage membrane must be cut out in size to match the opening of the control shaft to be installed above.
Tool recommendation: Hand-held circular saw
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