K2 SingleRail 36 Rail 3.65m – K2-2004258

£18.56

The K2 SingleRail 36 3.65m (K2-2004258) is a lightweight, high-strength rail designed for fast, secure solar mounting on pitched roofs, with smooth SingleHook compatibility.

3.65m length for versatile solar panel layouts
Quick-fit design for fast installation
Compatible with K2 SingleHook roof hooks
Durable aluminium for long-term strength

Why We Recommend This Product: The K2 SingleRail 36 3.65m is ideal for residential and commercial installers who need a lightweight, fast-fit rail system with proven K2 performance. Perfect for new builds and retrofit projects alike.

SKU: K2-2004258

Free and easy returns | Easy to Install | Professional Installers Available

K2 SingleRail 36 3.65m: The Lightweight Solar Rail for Fast, Secure Roof Mounting

The K2 SingleRail 36 3.65m (K2-2004258) is a high-performance mounting rail designed for quick, reliable solar installations on pitched roofs. Its lightweight aluminium construction makes handling and fitting fast and straightforward, while its compatibility with K2’s SingleHook range ensures a seamless, secure build. This rail is the perfect foundation for professional solar arrays across residential and commercial projects.

Fast-Fit Rail for Speedy Solar Installations

Speed is critical for modern solar installations, and the K2 SingleRail 36 3.65m is engineered to help installers complete projects faster. Its smart quick-fit profile simplifies on-site assembly, reducing installation time without compromising stability.

The 3.65m rail length is versatile enough to suit a wide range of solar panel configurations, helping to minimise waste and adapt easily to different roof sizes. It’s ideal for both large and small systems where installation speed and layout flexibility are essential.

Compatible with K2 SingleHook Systems

The SingleRail 36 system is fully compatible with K2’s SingleHook range, including the SingleHook 3S and SingleHook 2. These hooks are designed to integrate seamlessly with the rail, providing a clean, secure fixing with minimal effort on-site.

Using the SingleRail 36 system alongside K2’s roof hooks and accessories allows installers to build a fully compatible, trusted solar mounting solution that has been extensively proven across the industry.

Lightweight but Strong Aluminium Construction

Made from durable aluminium, the K2 SingleRail 36 3.65m combines strength with ease of handling. The lightweight profile reduces installer fatigue and makes transportation, lifting, and positioning safer and quicker.

Despite its light weight, the rail provides excellent load-bearing performance and long-term durability, capable of withstanding the wind and snow loads typically encountered on UK rooftops. It’s a reliable, professional-grade rail system that supports secure, lasting solar installations.

Why Evergy Recommends This Product

At Evergy, we recommend the K2 SingleRail 36 3.65m for installers looking for a fast, efficient, and proven rail system for pitched roofs. Its compatibility with the K2 SingleHook range, combined with its lightweight design, makes it an installer favourite for time-sensitive residential and commercial projects. Available from Evergy with quick UK delivery, this rail is an essential part of our trusted solar mounting system selection.

Technical Specifications

Part Number: K2-2004258
Rail Length: 3650 mm
Height: 35 mm
Depth: 35 mm
Weight: 3.3 kg
Material: Aluminium

This rail is compatible with a wide range of K2 components, including SingleHooks, rail connectors, and end caps, allowing you to build a complete, seamless mounting solution.

Ideal For Residential and Commercial Solar Projects

The K2 SingleRail 36 3.65m is ideal for solar installers working on both residential and commercial rooftops with pitched tile or slate systems. It’s perfect for new builds, retrofits, and small to medium-sized solar arrays where a fast, secure, and lightweight solution is required.

Its 3.65m length is particularly useful for installers looking to streamline rail cutting and maximise layout efficiency across various project sizes.

Warranty & Build Quality

Manufactured to K2’s high quality standards, the SingleRail 36 is a robust, long-lasting rail solution designed to perform reliably in the UK’s challenging weather conditions. The aluminium profile is resistant to corrosion, reducing maintenance requirements and ensuring a clean finish throughout the life of the system.

The rail is backed by a 12-year manufacturer warranty, providing installers and property owners with long-term security and peace of mind.

Frequently Asked Questions

Can I cut the K2 SingleRail 36 3.65m to size on-site?

Yes, the rail can be safely cut to fit your specific solar array layout, giving you maximum flexibility for custom installations.

Is the SingleRail 36 system compatible with K2 SingleHooks?

Yes, this rail is specifically designed to work with the K2 SingleHook 3S and SingleHook 2, ensuring a seamless and secure mounting solution.

Can the SingleRail 36 3.65m be used on both tile and slate roofs?

Yes, the SingleRail 36 is suitable for both roof types when paired with the appropriate K2 SingleHook roof hooks.

What is the warranty period for this rail?

The rail is covered by a 12-year manufacturer warranty, offering long-term product protection and system reliability.

Does the rail require additional waterproofing accessories?

No, when installed correctly using K2’s SingleHook system, the rail and fixing process are fully secure without additional waterproofing products.

Order from Evergy

Order the K2 SingleRail 36 3.65m today from Evergy and explore our complete selection of solar mounting systems to complete your project. We offer fast UK delivery and stock a full range of compatible K2 accessories, including SingleHooks, rail connectors, and end caps.

Need expert advice on your installation? Contact our team for personalised recommendations and support.

Free delivery -

NEXT DAY Delivery to Oxfordshire, Buckinghamshire and London via an EVERGY vehicle. Max of 1 ton weight.

Other delivery options via courier -

FREE NEXT DAY (*orders over £50, some batteries and inverters will require an additional fee) via FEDEX. Monday to Friday, up to 30kg, Max box size 50cm x 50cm x 50cm (volume). Orders must be received by 2pm.

Anytime NEXT DAY delivery – under £50 = £6.50 (depending on location, weight and size)

Regardless of spend, additional to any of the above charges –

Before noon (FedEx Priority Express) = Guide Price £15.00 (calulated at checkout)

Before 10am (FedEx First) = Guide Price £20.00 (calulated at checkout)

Delivery of pallets -

Palletised deliveries – Prices starting at £58

Multiple pallet orders can be quoted upon request (price dependent on number of pallets and postcode area)

Special delivery items may vary (non-stock products).

SAME DAY COLLECTION - Click & collect from Evergy Stores (Thame, Oxfordshire).

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Fast, Secure Clamping for SingleRail 36

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£1.60