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The RABLE substructure is a technologically advanced mounting system that is designed based on a truss design. This design includes both a longitudinal and transverse truss, resulting in a rigid and stable structure. The unique aspect of our system is the tension cable in the longitudinal direction that creates a bending resistance, making the system self-supporting.
Ballast-free mounting system with minimal roof anchors
RABLE’s self bearing system avoids load on the roof plates, by diffusing system weight to the roof beams. The span between beams may range up to XNUMX meters.
The RABLE substructure is ballast-free and is mounted on the roof with a minimum number of roof anchors at the ends of the structure. In fact, the RABLE substructure can already provide a suitable solution for roofs that cannot carry more than 7 kg/m2 of load.
Our products
The RABLE substructure is a technologically advanced mounting system that is designed based on a truss design. The RABLE design includes both a longitudinal and transverse truss, resulting in an extremely rigid structure. A unique feature of our system is the steel tension cable in the longitudinal direction, which provides additional bending resistance. This allows the RABLE system to achieve spans of up to 25 meters and is supported by load-bearing components such as roof beams or trusses.
RABLE4roofs / East West
RABLE8roofs / East West
RABLE10 Carpark
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Frequently asked questions about our products
For which roofs is the RABLE system suitable?
The RABLE system is suitable for all flat roofs. For weak roofs it is a unique solution because it is a self-supporting system that distributes the weight evenly over the trusses and/or beams of a roof. The system carries its own weight and that of the panels. It can therefore be applied directly to weak roofs, without structural renovation (and investments) to buildings with limitations in the roof construction. Ballast is also not necessary.
Our mounting system weighs 3 kg/m². The total load including standard panels varies between 10 and 13 kg/m². With lightweight panels load between 5 and 8 kg/m².
Is RABLE suitable for roofs with limited load-bearing capacity?
Yes! What makes RABLE unique is that it is a self-supporting mounting system. The system carries both its own weight and that of the panels. This makes it directly applicable to roofs with limited load-bearing capacity, without the need for structural renovations or investments in the roof structure. In addition, no ballast is required, but the minimum number of roof anchors ensures that the system + panels remain on the roof.
How is the system attached to the roof?
Our RABLE mounting system uses roof anchors that are applied to the ends of the structure to effectively control uplift forces. This system requires up to 95% fewer roof anchors compared to traditional systems, which offers a cost-effective solution. For each project, we determine the number of roof anchors required taking into account factors such as building height and wind zone. This ensures a safe installation with minimal roof loading and lower installation costs.
Does it work with any type of panel?
RABLE is suitable for all types of solar panels, regardless of weight or size. We use industry standard mounting clamps and also take into account the different dimensions that panels can have.
Are there installers who use RABLE systems?
Various installers throughout the Netherlands, both small and large, are active with RABLE. Do you also want to become familiar with the RABLE system? Contact us immediately by made a to schedule an appointment with our sales department.
Looking for an installer who can design your project with RABLE? Click here to get in contact to join our team.
How does RABLE help me in project preparation?
Every installation situation is unique and our team is here to answer specific questions and provide support throughout the planning and installation process. We encourage customers to share their project details with us for a personalized installation and anchoring plan and detailed quote.
RABLE has a good relationship with the roof constructors and can quickly switch over the application of a solar installation with RABLE. Need help? Contact us.
What certificates are there?
RABLE system has the required certificates regarding corrosion requirements and NEN 1010. Laying plans are supplied in accordance with the requirements of NEN 7250, based on, among other things, the Eurocodes for snow and wind loads. We also have a wind tunnel certification that you can find under ''downloads'' on our website.
Do RABLE tension cables cause energy loss?
The steel cables cause a limited shadow cast, which results in a yield loss < 3%. Good to know that the RABLE has a walkway every 4 panels (instead of every 2 panels with a traditional mounting system). This more than compensates for the small amount of energy loss of the steel cable.
Which types of roofs are suitable for our system?
Our system is suitable for flat roofs with a slope of up to 10 degrees and works on all types of roofing such as EPDM, PVC and Bitumen, and on steel and concrete roof panels.
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