What is the difference between a long square hopper head and a standard square hopper head?

The long square hopper head (Standard S-D, 220x220x380 mm) has a greater depth than a standard square hopper head, providing increased water buffering capacity and improved flow into the downspout. The elongated form is preferred where roof area, gutter gradient, or drainage volume requirements exceed what a standard format hopper head can handle efficiently.

What materials is the long square hopper head available in?

The Protec long square hopper head Standard S-D is available in copper and titanium-zinc - both premium materials developing a natural self-regenerating protective patina over time, providing long-term corrosion resistance without maintenance. Copper develops a characteristic green patina. Titanium-zinc develops a grey patina that regenerates automatically after surface damage.

What downspout outlet sizes are available for the Standard S-D hopper head?

The long square hopper head Standard S-D is available with round downspout outlets in DN 76, DN 80, DN 87, DN 100, and DN 120 mm - covering the most common residential and commercial downpipe sizes on the European market.

Can Protec produce long square hopper heads for OEM or custom orders?

Yes. Protec is a direct manufacturer and produces long square hopper heads to custom dimensions, outlet sizes, and materials. OEM production and private label supply are available for distributors and roofing contractors. The Standard S-D is supplied in packs of 4 units per carton, suitable for wholesale and distribution orders.

Long Square Hopper Head 220x220x380 mm

Q: What is a long square hopper head and what is it used for?

A long square hopper head (also called a square long conductor head or Standard S-D leader box) is a rectangular drainage component connecting the horizontal gutter to the vertical downspout. The elongated 220x220x380 mm form provides greater water buffering capacity than a standard square hopper head, making it particularly suited to roofs with higher drainage volumes or steeper gutter gradients. It is available in copper and titanium-zinc with a self-regenerating protective patina.

Description

Long Square Hopper Head – Standard S-D, 220 x 220 x 380 mm, Copper and Titanium-Zinc

Protec manufactures a long square hopper head (conductor head, Standard S-D leader box) in dimensions 220 x 220 x 380 mm, with round downspout outlets from DN 76 to DN 120 mm. The elongated square form provides greater water buffering capacity than a standard format hopper head – ideal for roofs with higher drainage volumes or gutter gradients where improved downspout fill is required. Available in copper and titanium-zinc, both materials develop a self-regenerating protective patina ensuring long service life with zero maintenance. Supplied in packs of 4 units per carton, suitable for wholesale and distribution.

Self-Regenerating Patina – Maintenance-Free for Decades:

Both copper and titanium-zinc develop a natural protective patina over time that provides additional corrosion resistance. Unlike painted or coated surfaces, this patina regenerates automatically after minor scratches or surface damage – maintaining the protective layer throughout the full service life of the hopper head without any maintenance or retreatment required. Titanium-zinc has a typical service life of 40-80 years. Copper exceeds 100 years in most roof drainage applications.

Technical Specification:

Product type: Long square hopper head – Standard S-D
Overall dimensions: 220 x 220 x 380 mm
Downspout outlet (round): DN 76 / DN 80 / DN 87 / DN 100 / DN 120 mm
Available materials: Copper, titanium-zinc
Surface treatment: Natural self-regenerating patina – maintenance-free
Pack size: 4 units per carton
SKU: 02150007
Custom sizes: Available on individual order

Available Materials:

Copper – premium longevity exceeding 100 years in roof drainage applications – develops a characteristic green patina over time, providing additional corrosion protection and a distinctive architectural aesthetic
Titanium-zinc – 40-80 year service life with self-regenerating grey patina – the classic European material for premium roof drainage systems, compatible with Rheinzink and VM Zinc gutter systems

Application:

The long square hopper head Standard S-D connects the horizontal gutter to the vertical downspout, providing efficient water collection and controlled flow into the downpipe. The elongated 380 mm depth makes this model particularly suited to:

Roofs with higher rainfall catchment areas requiring greater buffering capacity
Gutter installations with steeper gradients where water velocity increases at the outlet point
Residential and commercial buildings using copper or titanium-zinc premium drainage systems
Wholesale distribution and contractor supply – 4 units per carton for efficient stock management

Manufacturer – OEM and Custom Order:

The long square hopper head Standard S-D is produced by Protec – a direct European manufacturer of premium drainage components. Custom dimensions and outlet sizes available on individual order. OEM production and private label supply for distributors and roofing contractors across Europe. View our full hopper head and leader head range or contact us for a tailored quote.

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