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Solarscouts
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Description
Productinformation in detail
Introduction
The K2 Systems SingleHook 4S is a high-quality pitched roof hook specifically developed for the demands of modern photovoltaic installations. It enables a flexible, secure connection between the roof structure and K2 solar mounting rails and is optimally aligned with the K2 mounting system.
With its triple height adjustment in the base plate (40 / 47 / 54 mm) and an additional 30 mm adjustable hook arm, the total mounting range can be continuously covered from 120.5 to 165.1 mm. This allows the hook to flexibly adapt to local conditions such as rafter heights, roof rafters, or roof inclinations.
Thanks to the pre-installed K2 Climber 36/50 and an included hex socket screw system, installation is efficient and precise. The hook is designed for use with K2 rails (SingleRail and CrossRail) and integrates seamlessly into the K2 mounting system.
The materials used — aluminum EN AW-6063 T66 and stainless steel A2 — guarantee high corrosion resistance and long-lasting functionality even under changing weather conditions.
It is suitable for rafters from 48 mm width. In special cases, narrower rafters from 36 mm can be used if an M6 wood construction screw is employed.
As part of the **K2 mounting system**, the SingleHook 4S integrates perfectly into the concept of modular, flexible solar mounting with K2 photovoltaic components like K2 Minirail, K2 rail, and optional lightning protection clamps. This system compatibility allows installers to benefit from efficient installation processes and clear component structures.
Technical Specifications
Total height adjustment: 120.5 mm – 165.1 mm
Base plate height levels: 40 / 47 / 54 mm
Hook arm adjustment: up to 30 mm additional height
Material: Aluminum EN AW-6063 T66, Stainless Steel A2
Suitable rafter width: from 48 mm (optionally 36 mm with M6 screw)
Pre-installed K2 Climber 36/50 included
Delivery includes hex socket screw and mounting material for connection with K2 rails
Piece weight: approx. 0.632 kg
Advantages & Application
The K2 Systems SingleHook 4S offers several key advantages over standard hooks:
Flexible height adjustment: Thanks to stepwise base and arm adjustment, precise alignment can be achieved in uneven roof areas or with varying rafter heights.
System compatibility: It is fully aligned with K2 mounting rails (SingleRail, CrossRail) and allows combination with other K2 components like lightning protection clamps or Minirail.
Easy installation: With the factory-mounted Climber and optimized screw connection, installation times and error sources are reduced.
Adaptability: The ability to use with narrow rafters (from 36 mm) increases the range of application.
Installation Instructions & Integration
When planning with **K2 mounting systems**, it is recommended to position the SingleHook 4S in combination with K2 Base or suitable planning software. The alignment should be such that the mechanical loads are directly transferred into the roof structure. (K2 SingleRail systems form the supporting framework on which the modules are mounted.)
The following instructions apply for proper installation:
Check the static load-bearing capacity of the roof structure in advance.
Use the supplied screws and nuts in approved quality.
When using lightning protection clamps or potential equalization, compatibility with the SingleHook system should be verified.
Document all height adjustments and mounting positions for traceability and quality control.
