List of featured suppliers of DRAINAGE COUPLINGS Cast Iron on Building Products Index

Alumasc Exterior Building Products are a major UK supplier of premium construction products and brands. Alumasc Rainwater Systems are a leading manufacturer of BBA certified architectural aluminium rainwater goods. A complete range of aluminium gutters, downpipes and integrated fascia soffits. Alumasc Rainwater also supply cast iron rainwater pipes and gutters for historic and restoration sites, with bespoke designs available to match or replace existing installations. Alumasc are suppliers of Harmer drainage systems that include roof outlets and below ground drainage. For internal drainage, Harmer provide cast iron soil and waste systems, floor drains, shower drains and wetrooms.

Fernco, design and manufacture the most comprehensive range of fully approved low pressure pipe couplings, pipe saddles and pipe adaptors suitable for sewage, drainage, plumbing and vent systems. Fernco pipe couplings can be used with plastic, clay, concrete, cast iron and steel pipes. We also supply our domestic Storm Drain and Commercial Technodrain surface water drainage channels.

OSMA is the UK’s leading name in plastics systems, your single source for all types of gravity drainage, sewer installation and pressure pipe systems in any private or public development.