| CLADDINGS EXTERNAL | ACOUSTIC PRODUCTS LTD |
| AQUARIAN CLADDING SYSTEMS LTD |
| ARMOURCOAT LTD |
| ASHERWOOD LTD |
| CEDRAL |
| EQUITONE |
| ETERNIT |
| EUROBRICK SYSTEMS LTD |
| EUROCELL PLC |
| FUSION FACADES LTD |
| GUTTERMASTER LTD |
| HOWARTH TIMBER GROUP |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| IBSTOCK BRICK LTD |
| PAROC PANEL SYSTEM |
| PRECAST CONCRETE STRUCTURES LTD |
| PROTEKTOR GROUP UK LTD |
| RESIDENTIEL VINYL CLADDING LTD |
| Rockpanel |
| SABIC INNOVATIVE PLASTICS ABS UK LTD |
| TATA STEEL UK |
| TRESPA UK LTD |
| WELSH SLATE |
| CLADDINGS EXTERNAL ACM (Aluminium Composite Material) | HUNTER DOUGLAS SUN CONTROL & FACADES |
| CLADDINGS EXTERNAL Acoustic | PAROC PANEL SYSTEM |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Aluminium | AATI |
| BERRY SYSTEMS |
| DALES FABRICATIONS LIMITED |
| FUSION FACADES LTD |
| GUTTERMASTER LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| ICB GROUP |
| PROTEKTOR GROUP UK LTD |
| SCHUECO UK LTD |
| SEAMLESS ALUMINIUM GROUP |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Anti-Graffiti | Rockpanel |
| CLADDINGS EXTERNAL Asphalt Shingles | MATTHEW HEBDEN |
| CLADDINGS EXTERNAL Balcony | FUSION FACADES LTD |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL BRE Certified | EQUITONE |
| EUROBRICK SYSTEMS LTD |
| FUSION FACADES LTD |
| Rockpanel |
| CLADDINGS EXTERNAL Brick | BRICK FABRICATION |
| EUROBRICK SYSTEMS LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| IBSTOCK BRICK LTD |
| CLADDINGS EXTERNAL Brick Faced | AQUARIAN CLADDING SYSTEMS LTD |
| ASHERWOOD LTD |
| EUROBRICK SYSTEMS LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| IBSTOCK BRICK LTD |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Brick Slip Panels | AQUARIAN CLADDING SYSTEMS LTD |
| ASHERWOOD LTD |
| BINGLEY STONE |
| BRICK FABRICATION |
| EUROBRICK SYSTEMS LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| IBSTOCK BRICK LTD |
| KETLEY BRICK CO LTD |
| PORTLAND STONE FIRMS LTD |
| PRECAST CONCRETE STRUCTURES LTD |
| WEBER EXTERNAL WALL INSULATION SYSTEMS |
| CLADDINGS EXTERNAL BS 476:1987 Part 7 | EUROBRICK SYSTEMS LTD |
| CLADDINGS EXTERNAL BS 476:1989 Part 6 | ROCKWOOL LTD |
| CLADDINGS EXTERNAL BS 6262 | TATA STEEL UK |
| CLADDINGS EXTERNAL BUtgb CERTIFICATE HOLDERS | TRESPA UK LTD |
| CLADDINGS EXTERNAL Cast Iron | AATI |
| CLADDINGS EXTERNAL Cast Stone (Reconstructed Stone) Finish | EUROBRICK SYSTEMS LTD |
| PRECAST CONCRETE STRUCTURES LTD |
| PROCTER CAST STONE |
| CLADDINGS EXTERNAL Cedar | CANADA WOOD UK |
| HOWARTH TIMBER GROUP |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| CLADDINGS EXTERNAL Ceramic Tile Panels | IBSTOCK BRICK LTD |
| CLADDINGS EXTERNAL Chemical Environment | FILON PRODUCTS LTD |
| CLADDINGS EXTERNAL Colourcoated | HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| Rockpanel |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Composite Boards | EUROCELL PLC |
| CLADDINGS EXTERNAL Composite Panels | FORTERRA BUILDING PRODUCTS LIMITED |
| HOWARTH TIMBER GROUP |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| ROCKWOOL LTD |
| TATA STEEL UK |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Concrete | FORTICRETE MASONRY PRODUCTS |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Copper | BERRY SYSTEMS |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| MATTHEW HEBDEN |
| METAL GUTTA |
| CLADDINGS EXTERNAL Corten Steel | HUNTER DOUGLAS SUN CONTROL & FACADES |
| THE FLYSCREEN COMPANY LTD |
| CLADDINGS EXTERNAL CSTB CERTIFICATE HOLDERS | TRESPA UK LTD |
| CLADDINGS EXTERNAL Curved | FUSION FACADES LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| Rockpanel |
| TATA STEEL UK |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Custom Colours | Rockpanel |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Cut Facing Stone | PORTLAND STONE FIRMS LTD |
| WELSH SLATE |
| CLADDINGS EXTERNAL DIBt CERTIFICATE HOLDERS | TRESPA UK LTD |
| CLADDINGS EXTERNAL External Wall Insulation Systems (EWI Systems) | ADDAGRIP TERRACO LTD |
| AQUARIAN CLADDING SYSTEMS LTD |
| EUROBRICK SYSTEMS LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| IBSTOCK BRICK LTD |
| ISO-Chemie GmbH |
| ROCKWOOL LTD |
| SAS EUROPE LTD |
| WEBER EXTERNAL WALL INSULATION SYSTEMS |
| CLADDINGS EXTERNAL Extreme Technical Requirements (Windload) | HUNTER DOUGLAS SUN CONTROL & FACADES |
| CLADDINGS EXTERNAL Facade Cassettes | DALES FABRICATIONS LIMITED |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| PROTEKTOR GROUP UK LTD |
| SCHUECO UK LTD |
| TECHNAL LTD |
| CLADDINGS EXTERNAL Facade Lamellas | PAROC PANEL SYSTEM |
| ROCKWOOL LTD |
| SCHUECO UK LTD |
| CLADDINGS EXTERNAL Faience | IBSTOCK BRICK LTD |
| CLADDINGS EXTERNAL Fibre Cement | CEDRAL |
| EQUITONE |
| HOWARTH TIMBER GROUP |
| CLADDINGS EXTERNAL Fire Proof | EQUITONE |
| EUROBRICK SYSTEMS LTD |
| PAROC PANEL SYSTEM |
| Rockpanel |
| WELSH SLATE |
| CLADDINGS EXTERNAL Fire Resistant | AQUARIAN CLADDING SYSTEMS LTD |
| EQUITONE |
| EUROBRICK SYSTEMS LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| Rockpanel |
| TATA STEEL UK |
| WELSH SLATE |
| CLADDINGS EXTERNAL Fire Resistant EN 13501-1 | AQUARIAN CLADDING SYSTEMS LTD |
| EQUITONE |
| EUROBRICK SYSTEMS LTD |
| PAROC PANEL SYSTEM |
| Rockpanel |
| TATA STEEL UK |
| WELSH SLATE |
| CLADDINGS EXTERNAL Fire Retardant BS476 | EUROBRICK SYSTEMS LTD |
| TATA STEEL UK |
| WELSH SLATE |
| CLADDINGS EXTERNAL Galvanised Mesh | THE FLYSCREEN COMPANY LTD |
| CLADDINGS EXTERNAL Galvanised Steel | BERRY SYSTEMS |
| CLADDINGS EXTERNAL GRP | ASHERWOOD LTD |
| FILON PRODUCTS LTD |
| SMYTH COMPOSITES LTD |
| CLADDINGS EXTERNAL Harsh Environment | FILON PRODUCTS LTD |
| Rockpanel |
| CLADDINGS EXTERNAL HDF | HOWARTH TIMBER GROUP |
| CLADDINGS EXTERNAL High Density Resin | TRESPA UK LTD |
| CLADDINGS EXTERNAL High Rise Buildings / Skyscapers | EQUITONE |
| EUROBRICK SYSTEMS LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| CLADDINGS EXTERNAL HPL | TRESPA UK LTD |
| CLADDINGS EXTERNAL Imitation Print Finish | PAROC PANEL SYSTEM |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Imitation Wood Grain | RESIDENTIEL VINYL CLADDING LTD |
| Rockpanel |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Insulated | AQUARIAN CLADDING SYSTEMS LTD |
| ARMOURCOAT LTD |
| EUROBRICK SYSTEMS LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| IBSTOCK BRICK LTD |
| PAROC PANEL SYSTEM |
| PRECAST CONCRETE STRUCTURES LTD |
| ROCKWOOL LTD |
| SAS EUROPE LTD |
| TATA STEEL UK |
| WEBER EXTERNAL WALL INSULATION SYSTEMS |
| CLADDINGS EXTERNAL Insulating Profiled Carrier | ASHERWOOD LTD |
| CLADDINGS EXTERNAL KOMO CERTIFICATE HOLDERS | TRESPA UK LTD |
| CLADDINGS EXTERNAL Laminate | TRESPA UK LTD |
| CLADDINGS EXTERNAL Lightweight | Rockpanel |
| CLADDINGS EXTERNAL Limestone | PORTLAND STONE FIRMS LTD |
| CLADDINGS EXTERNAL Limestone Facings | PORTLAND STONE FIRMS LTD |
| CLADDINGS EXTERNAL Metal | FUSION FACADES LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Metallic Finish | HOWARTH TIMBER GROUP |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| Rockpanel |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Mineral Wool | HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| Rockpanel |
| ROCKWOOL LTD |
| CLADDINGS EXTERNAL Modified Timber / Thermally Treated Timber | HOWARTH TIMBER GROUP |
| CLADDINGS EXTERNAL Modular PV (Photovoltaic) Panels | FUSION FACADES LTD |
| CLADDINGS EXTERNAL Natural Weathering Finish | Rockpanel |
| CLADDINGS EXTERNAL Natural Wood Finish | HOWARTH TIMBER GROUP |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| Rockpanel |
| CLADDINGS EXTERNAL NCS Colours | Rockpanel |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Non-Combustible | EQUITONE |
| EUROBRICK SYSTEMS LTD |
| PAROC PANEL SYSTEM |
| Rockpanel |
| WELSH SLATE |
| CLADDINGS EXTERNAL Painted Printed | PAROC PANEL SYSTEM |
| CLADDINGS EXTERNAL Pearlescent Multicolour | Rockpanel |
| CLADDINGS EXTERNAL Perforated Metal Sheet | BERRY SYSTEMS |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| CLADDINGS EXTERNAL Planks | EQUITONE |
| HOWARTH TIMBER GROUP |
| RESIDENTIEL VINYL CLADDING LTD |
| Rockpanel |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Plywood | CANADA WOOD UK |
| CLADDINGS EXTERNAL Polycarbonate | BRETT MARTIN DAYLIGHT SYSTEMS |
| ROCKWELL SHEET SALES LTD |
| SABIC INNOVATIVE PLASTICS ABS UK LTD |
| CLADDINGS EXTERNAL Portland Stone | PORTLAND STONE FIRMS LTD |
| CLADDINGS EXTERNAL Pre-Finished Colourcoated Systems | HUNTER DOUGLAS SUN CONTROL & FACADES |
| Rockpanel |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Precast Concrete | HOLCIM AGGREGATES UK |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Precast Concrete Panels | EUROBRICK SYSTEMS LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| HOLCIM AGGREGATES UK |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Primed for Finishing | Rockpanel |
| CLADDINGS EXTERNAL Profiled Sheets | ASHERWOOD LTD |
| BRETT MARTIN DAYLIGHT SYSTEMS |
| ETERNIT |
| FILON PRODUCTS LTD |
| METAL GUTTA |
| ROCKWELL SHEET SALES LTD |
| SABIC INNOVATIVE PLASTICS ABS UK LTD |
| SCHUECO UK LTD |
| SOPREMA UK |
| TATA STEEL UK |
| CLADDINGS EXTERNAL PVC-u | EUROCELL PLC |
| RESIDENTIEL VINYL CLADDING LTD |
| CLADDINGS EXTERNAL PVC-ue | EUROCELL PLC |
| CLADDINGS EXTERNAL PVC-ue Shiplap Weatherboarding | EUROCELL PLC |
| CLADDINGS EXTERNAL PVDF Coated Metal | PAROC PANEL SYSTEM |
| CLADDINGS EXTERNAL Rainscreen Systems | AQUARIAN CLADDING SYSTEMS LTD |
| AXIS ENTRANCE SYSTEMS LTD |
| BERRY SYSTEMS |
| CEDRAL |
| EQUITONE |
| FORTERRA BUILDING PRODUCTS LIMITED |
| FORTICRETE MASONRY PRODUCTS |
| FUSION FACADES LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| IBSTOCK BRICK LTD |
| KAWNEER UK LTD |
| PAROC PANEL SYSTEM |
| Rockpanel |
| SAS EUROPE LTD |
| SCHUECO UK LTD |
| SFS |
| TATA STEEL UK |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL RAL Colours | GUTTERMASTER LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| Rockpanel |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Refurbishment | AAC WATERPROOFING LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| FUSION FACADES LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| ROCKWOOL LTD |
| TATA STEEL UK |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Render Finish | ARMOURCOAT LTD |
| SAS EUROPE LTD |
| WEBER EXTERNAL WALL INSULATION SYSTEMS |
| CLADDINGS EXTERNAL Riven Slate Surface | WELSH SLATE |
| CLADDINGS EXTERNAL Rockwool Panels | HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| Rockpanel |
| CLADDINGS EXTERNAL Sandstone | BINGLEY STONE |
| CLADDINGS EXTERNAL Sandstone Facings | BINGLEY STONE |
| CLADDINGS EXTERNAL Sandwich | HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| TATA STEEL UK |
| CLADDINGS EXTERNAL School Refurbishment | Rockpanel |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Security | PAROC PANEL SYSTEM |
| CLADDINGS EXTERNAL Slate | WELSH SLATE |
| CLADDINGS EXTERNAL Solar Collectors Incorporated | TATA STEEL UK |
| CLADDINGS EXTERNAL Solar Control Sun Louvres and Screens | AQUARIAN CLADDING SYSTEMS LTD |
| CONSTRUCTION SPECIALTIES - SOLAR SHADING |
| DALES FABRICATIONS LIMITED |
| FUSION FACADES LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Stainless Steel | BERRY SYSTEMS |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| PAROC PANEL SYSTEM |
| THE FLYSCREEN COMPANY LTD |
| CLADDINGS EXTERNAL Steel | BERRY SYSTEMS |
| ICB GROUP |
| PAROC PANEL SYSTEM |
| SOPREMA UK |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Stone Faced | AQUARIAN CLADDING SYSTEMS LTD |
| EUROBRICK SYSTEMS LTD |
| PORTLAND STONE FIRMS LTD |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Stone Natural Stone | BINGLEY STONE |
| PORTLAND STONE FIRMS LTD |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Stone Surface | AQUARIAN CLADDING SYSTEMS LTD |
| PORTLAND STONE FIRMS LTD |
| CLADDINGS EXTERNAL Stone Wool | PAROC PANEL SYSTEM |
| Rockpanel |
| CLADDINGS EXTERNAL Structural | FORTERRA BUILDING PRODUCTS LIMITED |
| PAROC PANEL SYSTEM |
| CLADDINGS EXTERNAL Terracotta | AQUARIAN CLADDING SYSTEMS LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| IBSTOCK BRICK LTD |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Terracotta Panel | AQUARIAN CLADDING SYSTEMS LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| IBSTOCK BRICK LTD |
| PRECAST CONCRETE STRUCTURES LTD |
| CLADDINGS EXTERNAL Terracotta Tiles | AQUARIAN CLADDING SYSTEMS LTD |
| CLADDINGS EXTERNAL Textured Woodgrain | RESIDENTIEL VINYL CLADDING LTD |
| Rockpanel |
| CLADDINGS EXTERNAL Tilesheets | TATA STEEL UK |
| CLADDINGS EXTERNAL Timber | CANADA WOOD UK |
| HOWARTH TIMBER GROUP |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| MARLEY LTD |
| CLADDINGS EXTERNAL Timber Finish | HUNTER DOUGLAS SUN CONTROL & FACADES |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Tinned Copper | METAL GUTTA |
| CLADDINGS EXTERNAL Tongue and Groove Engineered Effect | Rockpanel |
| CLADDINGS EXTERNAL TORROJA CERTIFICATE HOLDERS | TRESPA UK LTD |
| CLADDINGS EXTERNAL UV Resistant | HUNTER DOUGLAS SUN CONTROL & FACADES |
| Rockpanel |
| CLADDINGS EXTERNAL Vandal Resistant | Rockpanel |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Vapour Permeable | Rockpanel |
| CLADDINGS EXTERNAL Ventilated | AQUARIAN CLADDING SYSTEMS LTD |
| FUSION FACADES LTD |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| Rockpanel |
| SCHUECO UK LTD |
| TRESPA UK LTD |
| CLADDINGS EXTERNAL Weatherboard | CANADA WOOD UK |
| CEDRAL |
| EUROCELL PLC |
| HOWARTH TIMBER GROUP |
| MARLEY LTD |
| RESIDENTIEL VINYL CLADDING LTD |
| Rockpanel |
| CLADDINGS EXTERNAL Welded Gabions | MACCAFERRI LTD |
| CLADDINGS EXTERNAL Wood | CANADA WOOD UK |
| HOWARTH TIMBER GROUP |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| MARLEY LTD |
| CLADDINGS EXTERNAL Wood Veneer Faced Laminates | TRESPA UK LTD |
| CLADDINGS EXTERNAL York Stone | BINGLEY STONE |
| CLADDINGS EXTERNAL Zinc | HUNTER DOUGLAS SUN CONTROL & FACADES |
| TATA STEEL UK |
| CLADDINGS EXTERNAL Zinc Encased Aluminium | TATA STEEL UK |
