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The vertical garden system by POLIFLOR
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FLEXIVERDE® system, patented by Poliflor, consists in a mat containing an aggregate mix and composed by two layers of special Rockpec geotextile (Tencate) sewed alternatively on the two sides of a geogrid matched to TNT, in order to create cylinder-shaped compartments orthogonal to the greatest slop.
The features of the geotextile used, as well as the special sewing procedure, enable the aggregate mix contained in the rooms created to not suffer gravity settlements.
In the higher part of the mat there are two slots. In the first, there is a stainless steel bar used to fix the mat on metallic nets and walls both very sloping and irregular, and completely smooth and curved. You can choose between an instant living module and a module to vegetate on site. The second slot is used for the insertion of the drip line and tablets of granular fertilizer.
The instant living module is created applying the instant living INCLINA mat or through matching with Sedum instant living lawn and inserting plants in cups, everything fastened with a metallic net. In this way, we allow roots to penetrate into the substrate inside the mat. Instead, the non instant living module is created applying coconut fibre needle-felt geotextile, previously die-cut in order to allow the insertion of the plants in cups, whose roots will penetrate into the substrate inside the mat.
The irrigation of the system is assured by the presence of a drip line in each module.
Because of its dimensions (0.6x0.5 m.) and its weight (50-60 kg/m²), FLEXIVERDE® is used both indoor and outdoor, adapting the flower composition to lighting, latitude and maintenance level.
ELEMENTS OF THE SYSTEM
The modular system consists of:
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Load-bearing structure to fasten the vertical garden system to the wall. The structure is studied and implemented according to pre-existing project conditions to respect;
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FLEXIVERDE® plant support made by non-woven-fabric geocomposite mat sewed in order to create many rooms, which are divided in longitudinal direction by PE continuous thread non-woven-fabric geocomposite, with the function to contain the cultivation substrate. Inside every cultivation room there is a fixed quantity of aggregate mix. Dimensions of assembled system: cm 53 (±2) x cm 63 (±2) x cm 8;
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Instant living mat fastened to the FLEXIVERDE® plant support, with flower composition on request (previously arranged with POLIFLOR technical department) and made root on the FLEXIVERDE® plant support;
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Irrigation system.
SYSTEM ADVANTAGES
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USE FLEXIBILITY
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SUITABLE FOR INDOOR AND OUTDOOR USE
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EXTREMELY ADAPTABLE TO PLANNING REQUIREMENTS
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LIGHT LOAD-BEARING STUCTURE
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WIDE RANGE OF SPECIES AVILABLE
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IMMEDIATE AESTHETIC EFFECT
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EASILY REPLACEABLE IN CASE OF PLANTS DEATH ON SINGLE ELEMENT
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POSSIBILITY TO CHANGE THE SPECIES DURING THE YEAR
TECHNICAL FEATURES AND MATERIALS
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ROCKPEC
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| Material |
Geocomposite consisting of continuous filament non-woven 100% PP, reinforced by high tenacity polyester yarns PET |
| Tensile strength |
longitudinal |
36 kN/m |
| transversal |
14 kN/m |
| Elongation at normal strength |
longitudinal |
13% |
| transversal |
n.a. |
| Longitudinal tensile strength |
at 2% |
4.4 kN/m |
| at 5% |
12.9 kN/m |
| at 10% |
27.6 kN/m |
| Predictable resistance over the long term 120 years |
17.1 kN/m |
| Characteristic opening size O90 |
95 µm |
| Water permeability normal to the plane |
65 mm/s |
| Water flow capacity in the plane (20 kPa) |
30x10-7 m2/s |
| Thickness |
1.9 mm |
| Mass per unit area |
280 g/m2 |
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| ITALGRID |
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yarn
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Highly resistant polyester |
| coating |
SBR based coating
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| stabilization |
by carbon-black
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melting point
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250-260 C° |
| Tensile strength MD |
50 kN/m |
Tensile strength CMD
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50 kN/m |
| Strain at max. load MD |
12% |
Strain at max. load CMD
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14% |
| Mesh opening size MD |
30 mm |
Mesh opening size CMD
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30 mm |
| Mass per unit area |
220 g/m2 |
Strength at 2% strain MD/CMD
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10/8 kN/m |
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| COCONUT MAT – SPUN COC 800 |
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Filament material
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Geocomposite constituted by matching through needle punching 100 g/m2 of black polypropylene (PP) spun bounded TNT - UV stabilized – with a layer of 700 g/m2 coconut fibre |
| Mass per unit area |
800 g/m2 (± 7%)
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6-7 mm
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| Longitudinal tensile strength |
3.2 kN/m |
| Elongation at longitudinal peak |
60 %
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| Transversal tensile strength |
3 kN/m |
| Elongation at transversal peak |
70% |
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PERLITE
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Granulometry
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1÷3 |
| Loose fall density |
110±20% kg/m³
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Bulk (compacted) density
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130±20% kg/m³ |
Density of saturated material
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About 700 kg/m³ |
| Water accumulation capacity per cm. of compact substrate thickness/strong> |
5.5 l/m² x cm
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| Total porosity |
> 95% v/v
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| Air volume at pF1 |
> 60%
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| Water volume at pF1 |
> 30%
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| Water vertical permeability |
> 80 mm/min
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| pH |
6÷7
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| Conductivity (1,5 v/v) |
< 2mS/m
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| Cationic exchange capacity |
< 1 meq/100 g
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| Organic substance |
< 2% s.s. |
| Fire reaction - incombustibility |
Class A1 |
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Before starting the executive design and the creation of the vertical garden system, it is necessary to get some essential information and write a yard preliminary report. During the inspection, it is important to identify:
- the dimensions of the wall paying attention to possible obstacles, which have to be considered during the planning phase (windows, doors, dissimilarities, slope changes, etc.);
- he materials used in the construction of the wall (reinforced concrete, full bricks, pierced bricks, etc.);
- the presence of any beam or architectural element useful for the installation;
- the ground conditions at the foot of the wall;
- the presence of any electric cabinet or water pipe inside or outside the wall;
- the conditions of exposure to environmental conditions (sea distance, wind, etc.);
- for outdoor installations: the wall orientation and the sun exposure (shadowy zone, sunny zone, etc.);
- for indoor installations: the presence or absence of natural sources of illumination;
- water and electricity connections available on site;
Hilti System Mq
1. Definition of the area of work according to the project and preparation of the proper equipment for the installation. |
2. Definition of dimensions and drilling spots to fasten the structure according to the project (for this operation it could be useful to use a Hilti MQ-21 channel as outline). |
3. Drilling of the wall in the defined spots (the deepness and the diameter of the hole depend on the type of chosen fixing element according to the wall material). |
4. Installation of the proper fixing elements according to the wall material (proportioned chemical fixing elements). |
5. Assembly of the Hilti MQ-72 channels, which are the load-bearing structure pillars, on the fixing elements in accordance with the project. |
6. Assembly of the Flexiverde module supporting hang plates through proper screws and wing nuts according to the correct measure present in the project. |
7. Put the fixing bars into the proper slots of the Flexiverde modules and implement the security through screw and wing nut. |
8. Progressive assembly of the Flexiverde modules to the load-bearing structure up to the covering of the surface of interest. |
9. Put the drip line into the slot for the irrigation of the Flexiverde modules (the drip line has to pass through all the modules of the same line). |
10. Assembly of the irrigation columns and relative component parts as specified in the project. Connection of the drip lines to the relative columns and test of the irrigation system (it is advisable to bring the modules to water saturation during this phase). |
11. Planting of the chosen vegetable species through insertion of the plants into the proper pockets as specified in the botanic project (the plants to insert in the system must have a pot diameter of 8-9 cm.). |
12. Assembly of possible flashings, finishing and setting of the irrigation system according to the climatic conditions, the sun exposure and the chosen vegetable species. |
1. Definition of the area of work on the wall according to the project |
2. Definition of dimensions and drilling spots to fix the structure (horizontal distance between brackets, from the centre to the bracket centre: 63 cm) |
3. Drilling to fix upper angle brackets |
4. Fastening of the upper angle brackets with fixing elements suitable for the material used in the construction of the wall (chemical or mechanical proportioned anchors) |
5. Construction of the loop at the end of the wire ropes through clamps (2 x loop) |
6. As safety measure, use insulating tape to cover the free end of the wire rope |
7. Assembly of wire ropes on the upper angle brackets (the screw has to be put into the loop and tightened with the proper nut) |
8. Drilling to fix the lower angle brackets and insertion of the fixing elements |
9. Assembly of the lower angle brackets |
10. Assembly of turnbuckles on the upper angle brackets (the screw has to be put into the turnbuckle eye and tightened with the proper nut) |
11. Construction of a loop at the lower end of the wire rope through clamps (2 x loop); the loop has to be put into the turnbuckle hook. During this operation please make sure to keep the wire ropes stretched and the turnbuckle completely extended |
12. Cut the part of the wire rope in excess and cover it with insulating tape according to safety measures |
13. Wire rope tensioning through turnbuckles. In order to make the following phases of installation easier, it is advisable a light stretching; you will do the final tensioning after the assembling of the Flexiverde modules. |
14. Insertion of the fixing bars for angle brackets into the proper slots of the Flexiverde modules, which will be assembled on the higher line |
15. Assembly of the Flexiverde modules higher line on the angle brackets (the screw has to be put into the slot of the bracket and tightened with the proper nut) |
16. Put the fixing bars for wire ropes into the proper slots of the Flexiverde modules |
17. Assembly of the Flexiverde modules on the wire ropes (the open part of the screw has to be put around the wire rope and tightened through the proper nut) |
18. Assemble progressively the Flexiverde modules regulating the position of the modules along the wire ropes in order to obtain a continuous surface |
19. Put the drip line into the slot to irrigate the assembled Flexiverde modules |
20. Make sure that the drip line passes from one module to the other (the drip line has to cross all the module of the same line) |
21. Assembly of drip lines into every Flexiverde module on the wall |
22. Put the pressure tap at the end of the drip lines |
23. Put the pressure elbows. Then assemble the main adduction pipes connected to the irrigation control system to the pressure fittings |
24. In the case of a very big installation, it is possible to assemble T-fittings every two lines in order to reduce the number of main adduction pipes |
25. Example of irrigation system with combined use of elbow and T-fittings. This solution allows to halve the number of main adduction pipes and consequently to reduce the irrigation management system
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1. Definition of the area of work on the wall according to the project |
2. Definition of dimensions and drilling spots to fix the structure (horizontal distance between clamps, from centre to centre: 63 cm) |
3. Drilling to fix clamps |
4. Assembly of clamps and fixing with Allen key |
5. Put the fixing bars for the clamp system into the proper slot of the Flexiverde module |
6. Assembly of the first Flexiverde module on the clamps. Put the plastic tap of the fixing bar in the centre of the clamp and close it with the screw without tightening |
7. Progressive assembly of the modules. Before tightening the screws make sure that the fixing bars are in the centre of the clamp |
8. Put the drip line into the slot to irrigate the assembled Flexiverde modules |
9. Make sure that the drip line passes from one module to the other (the drip line has to cross all the module of the same line) |
10. Assembly of drip lines into every Flexiverde module on the wall |
11. Put the pressure tap at the end of the drip lines |
12. Put the pressure elbows. Then assemble the main adduction pipes connected to the irrigation control system to the pressure fittings |
13. In the case of a very big installation, it is possible to assemble T-fittings every two lines in order to reduce the number of main adduction pipes |
14. Example of irrigation system with combined use of elbow and T-fittings. This solution allows to halve the number of main adduction pipes and consequently to reduce the irrigation management system (when it is necessary) |
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Photo gallery divided in indoor installations and outdoor installation.
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