Skyline

Architectural Aluminium

Alumasc Rainwater

Gutter And Downpipes

Harmer

Building Drainage

About AWMS

Alumasc Water Management Solutions (AWMS), part of the Alumasc Group, is the UK's first joined-up brand in integrated water management, bringing together market-leading expertise to deliver complete Rain to Drain solutions for the built environment. For almost 90 years, Alumasc has championed the efficient use, retention, recycling and disposal of water, helping customers manage water effectively from its point of collection through to discharge.

From roofline systems, gutters and downpipes to internal drainage, surface water management, access covers and civil drainage solutions, AWMS offers an unrivalled depth and breadth of products backed by technical expertise, proven performance and industry-leading support. Trusted on some of the UK's most prestigious commercial, residential, healthcare, education and infrastructure projects, AWMS continues to set the standard for sustainable urban water management, helping create resilient, efficient and future-ready buildings.

About Skyline

Skyline Architectural Aluminium is an innovative collection of integrated roofline, façade and building envelope solutions, designed to enhance the appearance, performance and longevity of modern construction projects. With over 30 years of industry expertise, Skyline is widely recognised by architects, specifiers, contractors and developers for delivering high-quality, design-led aluminium systems that combine aesthetics with practical performance.

Manufactured from premium in-house, BBA-certified powder-coated aluminium, the Skyline range includes fascias, soffits, copings, window surrounds, cills, column casings, door canopies, planters and rainscreen cladding, offering a complete architectural solution from roof edge to façade. Available in a wide range of colours and bespoke designs, Skyline provides the flexibility to create distinctive contemporary buildings with exceptional durability and low maintenance requirements.

Designed and manufactured in the UK, Skyline systems integrate seamlessly with Alumasc Rainwater products to provide complete roofline and drainage solutions. Lightweight, corrosion-resistant and fully recyclable, Skyline aluminium products offer an impressive service life while supporting sustainable construction practices. From award-winning commercial developments and education facilities to premium residential projects, Skyline continues to help shape modern architecture with engineered solutions that deliver both visual impact and long-term performance.

About Rainwater

Alumasc Rainwater is the UK's market leader in aluminium, cast iron, steel, copper and zinc gutters and downpipes. For more than 80 years, Alumasc has been at the forefront of British rainwater management, with gutters manufactured in Burton Latimer since the 1940s, combining generations of foundry expertise with continuous product innovation.

Our extensive range of metal rainwater systems is designed to meet the demands of both heritage and contemporary projects, offering architects, contractors and building owners a choice of high-performance solutions that deliver exceptional durability, reliability and visual appeal. Whether replicating the traditional character of a listed building with cast iron, enhancing a modern façade with aluminium, or specifying premium copper or zinc systems, Alumasc products provide long-lasting performance with minimal maintenance. As part of a complete water management offering, our gutters and downpipes are trusted on commercial, residential, education and public sector projects throughout the UK, helping to protect buildings and enhance their architectural appearance.

About Harmer

Harmer Building Drainage provides comprehensive drainage solutions that manage water both inside and outside the building, helping designers, contractors and clients achieve the performance, reliability and installation benefits of fully integrated drainage systems. As one of the UK's leading names in engineered drainage, Harmer offers a complete portfolio of roof, soil, waste and floor drainage products designed to work seamlessly together across the entire building envelope.

At the heart of the range are Harmer Roof Outlets, offering an unrivalled choice of aluminium and cast-iron rainwater outlets and channels, alongside the renowned Harmer SML lightweight cast iron soil and waste drainage systems for both above and below ground applications. Complementing these are Harmer Floor Drains and Harmer Shower Drains, available in cast iron, stainless steel, aluminium and ABS to suit virtually any project requirement. Together they represent one of the most comprehensive drainage ranges in the UK.

Trusted on prestigious residential, commercial, healthcare and education developments, Harmer products are recognised for their durability, technical performance and ease of specification. Backed by expert design support and decades of drainage expertise, Harmer enables architects and engineers to deliver efficient, high-performance drainage systems that protect buildings, enhance longevity and ensure effective water management from roof level to ground discharge.

Case Studies

Proven solutions delivering performance from rain to drain.

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