| FLASHINGS | CAVITY TRAYS LTD |
| DANI ALU UK LTD |
| EUROCELL PLC |
| GUTTERMASTER LTD |
| HOWARTH TIMBER GROUP |
| ICB (WATERPROOFING) LTD |
| KLOBER LTD |
| LINDAB LTD |
| MARLEY LTD |
| METAL GUTTA |
| PROTEKTOR GROUP UK LTD |
| SEAMLESS ALUMINIUM GROUP |
| SOVEREIGN CHEMICALS LTD |
| UBBINK UK LTD |
| FLASHINGS Abutments | MARLEY LTD |
| UBBINK UK LTD |
| FLASHINGS AGREMENT CERTIFICATE HOLDERS | CAVITY TRAYS LTD |
| UBBINK UK LTD |
| FLASHINGS Aluminium | DANI ALU UK LTD |
| FAKRO GB LTD |
| GUTTERMASTER LTD |
| ICB (WATERPROOFING) LTD |
| KLOBER LTD |
| PROTEKTOR GROUP UK LTD |
| SEAMLESS ALUMINIUM GROUP |
| SOVEREIGN CHEMICALS LTD |
| FLASHINGS Aluminium Foil | ISO-Chemie GmbH |
| KLOBER LTD |
| FLASHINGS Apron | KLOBER LTD |
| POLYPIPE TERRAIN LTD |
| FLASHINGS Architectural | UBBINK UK LTD |
| FLASHINGS Bituminous | UBBINK UK LTD |
| FLASHINGS Bituminous Torch Applied | CEMEX CONCRETE PRODUCTS UK LTD |
| SOPREMA UK |
| UBBINK UK LTD |
| FLASHINGS Bituminous, Foil Faced | UBBINK UK LTD |
| FLASHINGS Cavity | UBBINK UK LTD |
| FLASHINGS Colourcoated | CAVITY TRAYS LTD |
| DANI ALU UK LTD |
| FAKRO GB LTD |
| UBBINK UK LTD |
| FLASHINGS Copper | METAL GUTTA |
| FLASHINGS Corner | ICB (WATERPROOFING) LTD |
| FLASHINGS Ductwork | EXYTE HARGREAVES LTD |
| iDuct Ltd |
| LINDAB LTD |
| UBBINK UK LTD |
| FLASHINGS EPDM | EJOT UK LTD |
| LINDAB LTD |
| FLASHINGS Flexible | UBBINK UK LTD |
| FLASHINGS For Profiled Sheets | CAVITY TRAYS LTD |
| EJOT UK LTD |
| UBBINK UK LTD |
| FLASHINGS GRP | UBBINK UK LTD |
| FLASHINGS Insulated Soil Pipe | PROTEKTOR GROUP UK LTD |
| FLASHINGS Lead | CAVITY TRAYS LTD |
| EUROCELL PLC |
| UBBINK UK LTD |
| FLASHINGS Non-Lead Leadfree | CAVITY TRAYS LTD |
| EUROCELL PLC |
| HOWARTH TIMBER GROUP |
| KLOBER LTD |
| UBBINK UK LTD |
| FLASHINGS Pipe | EJOT UK LTD |
| KLOBER LTD |
| LINDAB LTD |
| OSMA |
| RADMAT BUILDING PRODUCTS LTD |
| FLASHINGS Polyethylene | UBBINK UK LTD |
| FLASHINGS PVC-u | UBBINK UK LTD |
| FLASHINGS Self Adhesive | EUROCELL PLC |
| KLOBER LTD |
| SOVEREIGN CHEMICALS LTD |
| UBBINK UK LTD |
| FLASHINGS Steel | TATA STEEL |
| FLASHINGS Synthetic | CAVITY TRAYS LTD |
| FLASHINGS Ventilating | CAVITY TRAYS LTD |
| UBBINK UK LTD |
| FLASHINGS Wall | ICB (WATERPROOFING) LTD |
| FLASHINGS Wall Aluminium | DANI ALU UK LTD |
| PROTEKTOR GROUP UK LTD |
| FLASHINGS Zinc | METAL GUTTA |
