135-Degree Gutter Angle

135-Degree Gutter Angle

Perfectly navigate bay windows and conservatories with our 135-Degree Gutter Angle. Designed specifically for 114mm square line systems, this high-performance fitting provides a seamless, watertight transition for non-90° corners, ensuring your rainwater system follows the exact contour of your roofline.

  • Bay Window Specialist: The industry standard for 45°/135° building returns and angled fascias.

  • Watertight Integrity: Features integrated EPDM rubber gaskets for a high-compression, leak-proof seal.

  • High-Impact uPVC: UV-stabilized material that resists fading and brittleness in the UK climate.

£4.00 Incl. VAT

Availability: 50 in stock Category:

Description

What is a 135-Degree Gutter Angle used for?

A 135-degree gutter angle (frequently referred to as a 45-degree bend depending on the internal/external measurement) is a specialized fitting used to navigate non-right-angled corners. It is the essential component for bay windows, hexagonal conservatories, and complex roof extensions. Without a precision-molded 135° gutter corner, attempting to join gutters at these angles often leads to poor drainage and constant leaks.

 

Advanced Leak Prevention for Angled Rooflines

Corners are the most vulnerable point in any rainwater system. At ECO HEAT SHOP, our 135-degree square line angles are fitted with premium rubber seals that provide a permanent, flexible joint. These gaskets allow the 114mm square guttering to expand and contract during temperature shifts—common in the UK—without breaking the watertight seal or causing the “creaking” noise often heard in lower-quality systems.

Optimized Flow for High-Capacity Systems

Square line systems are prized for their high water-carrying capacity. Our 135° guttering angle maintains this efficiency by providing a smooth internal transition. This prevents water from “backing up” or overflowing during heavy storms, a common issue in angled sections where debris or silt might otherwise collect.

 

Compatibility & Installation

This 135-degree angle is fully compatible with our 4m Square Gutter and all standard 114mm square line rainwater systems. The “snap-fit” design means no messy solvent cement is required—simply lubricate the seals and clip the gutter into place for a trade-standard finish.

Technical Specifications:

  • Angle: 135 Degrees (ideal for 45-degree building offsets)

  • Profile: 114mm Square Line

  • Seal Type: Integrated EPDM High-Compression Gaskets

     

  • Material: Maintenance-free, Impact-Resistant uPVC

  • Standards: Manufactured to BS EN 607 and BS EN 1462.

By choosing our 135-Degree Gutter Angle, you ensure that even the most complex roof shapes are fully protected from water damage with a clean, professional, and long-lasting finish.

Additional information

Weight 0.6 kg
Dimensions 135 × 135 × 25 mm

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