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Alumasc Guttering

Alumasc Heritage Aluminium Gutters are manufactured using modern aluminium casting techniques. The most popular finish is textured black, this resembles the cast iron texture and look. Mill Finish and 16 standard factory applied colors are also available.

Delivery on 4 inch, 4.5 inch and 5 inch Half Round Gutters and 2.5 inch and 3 inch Round Downpipes in Textured Black is usually 7 to 10 working days on standard fittings. Milled Finish 5 working days and Powder Coated Colours between 10 and 15 working days. Other Profiles have a lead time between 5 and 15 days.

We also Stock Cast Iron Soil Pipe. Click here for details.




Alumasc - An Introduction

Alumasc Exterior Bulding Products is part of the Alumasc Group Plc. The Group has over 800 employers, generating turnover in excess of £110 million. The aim is to focus on high quality , enviromentally responsible building products within the construction arena in order to deliver first class customer service, long-term solutions and lasting relasionships.

Alumasc Heritage Cast Aluminium Rainwater Systems

Heritage Cast Aluminium is a comprehensive range of traditional gutter profiles, round, square and rectangular pipes and all associated fittings and accessories. Designed to provide all the essential architectural features appropriate to traditonally designed buildings, the Heritage range is also fully in tune with modern fast track building contracts.


The Heritage Cast Aluminium Gutter System:

  • is ideal for traditionally designed buidings, in both new build and referbishment applications.
  • is used as a direct replacement of cast iron.
  • is ideal for both flush and projecting eaves applications.

Features and Performance

The Heritage Cast Aluminium Gutter System:

  • has 5 Gutter and 3 Downpipe profiles available in a choice of sizes.
  • has pipes available in 1, 2 and 3m lengths.
  • is lightweight, durable and non-corrodible.
  • has a life expectancy of 40 years in rural / suburban areas, and 25 years in industrial / marine areas.
  • is easy to handle and fit.
  • is BBA approved.
  • is made from aluminium which is 100% recyclable.

Colours and Finishes

The Alumasc Cast Aluminium Guttering System:

  • is available in a BBA approved range of PPC (Polyester Powder Coated) finishes, factory applied at Alumasc.
  • has 16 standard colours in its range with additional BS or RAL colours available to special order.
  • can be supplied to resemble cast iron surface texture (black only).
  • is available in plain mill finish for on-site painting.

 Colours are reproduced for general guidance only, and vary greatly depending on monitor settings.

 Textured Black - our most popular finish

 Agate Grey RAL 7038m

 Black RAL 9017m

 Brown Beige RAL 1011m

 Cadmium Yellow RAL1021m

 Chocalate Brown RAL 8017m

 Flower Blue RAL 5010m

 Graphite Grey RAL 7024m

 Grey Brown RAL 8019m

 Moss Green RAL 6005m

 Pearl White RAL 1013m

 Ruby Red PAL 3003m

 Saphire Blue RAL 5003m

Vermilion Vermilion RAL 2002m

White White RAL 9016m

Wine Red Wine Red RAL 3005m

Yellow Green Yellow Green RAL 6018m


  • UK manufactured by Alumasc.
  • Gutters and fittings made from commercial LM2 and LM6 grade aluminium alloy.
  • Alumasc Heritage Gutters are gravity diecast, fittings are pressure diecast and downpipes are extruded aluminium.
  • The Heritage Aluminium Gutter System is manufactured in accordance with BS 8530 (formerly BS 2997).

Installation and Fixing Instructions for Heritage Cast Aluminium Guttering Systems

  • Gutters are wet sealed with bolted joints, with a range of fxing options.
  • Gutter joints are secured with screws or bolts through integral holes / slots.
  • Victorian Ogee and Moulded Guttersare provided with slots in rear for direct fixing.
  • Brackets and fittings provided with fixing holes where appropriate.
  • Circular pipe jointing up to 100mm diameter is by separate sockets giving maximum flexibility for installation.
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