Concealed Aluminium Rainwater Pipes – Internal Low-Pressure System
Guttermaster’s Concealed Aluminium Rainwater Pipe system offers a discreet and secure solution for modern architectural designs. Engineered for internal low-pressure applications, this system integrates seamlessly within building façades, providing an unobtrusive rainwater management solution.
Key Features of the Concealed Rainwater Pipe System
Low-Pressure Design: Suitable for concealed applications, ensuring efficient rainwater drainage without compromising building aesthetics.
Concealed Installation: Pipes are designed to be hidden within walls or façades, maintaining clean architectural lines.
Durable Construction: Manufactured from high-grade aluminium for longevity and resistance to corrosion.
Versatile Profiles: Available in various sizes to suit different building requirements.
Custom Finishes: Polyester powder-coated in a wide range of RAL and BS colours, including textured and metallic finishes.
Eco-Friendly: Aluminium is 100% recyclable, supporting sustainable building practices.
product Applications
Ideal for:
Modern residential and commercial buildings
Projects requiring discreet rainwater solutions
Developments in coastal or industrial environments where corrosion resistance is crucial
High-security environments such as prisons, hospitals, and public buildings
Technical Information
Size Options
Standard lengths supplied in 3000mm lengths.
- 3" (76mm OD)
- 4" (102mm OD)
- 6" (152mm OD)
- Bespoke lengths available
Fittings
We offer a comprehensive selection of matching aluminium fittings for our Concealed Rainwater Pipe System, including bends, branches, swan necks, offset pieces, plinth offsets, access pipes and rainwater diverters. These components are available in a variety of standard dimensions, with bespoke sizes also manufactured to meet the specific requirements of individual projects.
To complement our Concealed rainwater pipe system, we also supply a carefully curated range of hopper heads, designed to enhance both function and appearance.
Brackets
These modern concealed downpipes are designed for direct wall fixing. When combined with our spun sockets, a saddle clip or pipe clips is utilised. We also provide extension base clips which can be used to achieve the desired stand-off.
NBS Specifications on NBS Source
- Technical Details: Comprehensive specifications for reliable project integration.
- Material Information: Quality-assured materials for lasting performance.
- Installation Guidelines: Clear instructions for optimised, efficient installation.
Finish Options
- Powder Coated
- Textured Heritage Powder Coatings
- Specialist Metal Finishes
- Anodised Finishes
Visit our download centre
- System Details
- Powder Coating Fire Test Report
- Guttermaster Brochure
- NBS Source
Recent Aluminium Rainwater Pipe Projects
Flush Joint Pipe – Quintana Gate
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Facebook HQ Bespoke Guttering
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Aluminium Capping – Hale Village
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Concealed Guttering – Apthorpe Lodge
Crisp, sleek, uncluttered rainwater pipes for use on more contemporary buildings without going to the expense of a fully secret fixed system, Guttermaster has developed this new range of
Box Guttering – Allerton Synagogue
Although originally designed for security conscious environments, the visually pleasing lines have resulted in this product being specified on low-risk buildings.
Curved Capping – Headlands School
Traditional round rainwater pipes offer a complete range of additional fittings which connect using welded “iron look” designed sockets, available as eared or uneared.
Bespoke Fascia Soffit – London
Internal Low-Pressure Pipe System is suitable for use in domestic, commercial, and public buildings. The system is available to suit a range of couplings from 50 to 200mm.










