Suppliers of: Osma Drainage Products, rainwater goods, plastic pipes, soil pipes, underground drainage, drainage channels, gullies, rainwater systems, waste pipes, road drainage, sewage pipes

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. Our high-quality and innovative systems are fully tested and kitemarked and are supported by design and after sales service.

Established in 1962, Wavin Limited is the UK’s leading supplier of water management, plumbing, heating and drainage systems for the Building, Construction and Utilities markets. Highly respected within the construction industry, Wavin has a reputation for innovation and leadership and has an extensive product portfolio under the OSMA, Hepworth, Hep2O, Thermoboard, Intesio and Certus brands.

Tradename/Brandname List
ALL-FIT	Waste Trap
AQUACELL	Surface/Storm Water Management
AQUAGRID	Sustainable Drainage System
CLEARBORE	Waste System
DEEPLINE	Rainwater System
EASY-FIT	Pan Connector
GARASTOR	Rainwater System
MINI-FIT	Rainwater System
MULTI-BASE	Inspection Chambers
OSMA THRESHOLD	Surface Water Drainage
OSMA ULTRARIB	Underground Drainage/Sewerage
OSMACHANNEL	Surface Water Drainage
OSMADRAIN	Underground Pipes
OSMAGOLD	Underfloor Heating Pipe
OSMALINK	Soil Manifold
OSMASOIL	Soil & Vent System
OSMAVENT	Air Admittance Valve
OSMAWELD	Traps & Wastes
PICCOLO	Surface Drainage
POLYCALC	Surface Drainage Design Software
POLYCHANNEL	Surface Drainage
POLYCHANNEL PICCOLO	Surface Water Drainage
POLYDYN	Polymer Concrete
POLYHEEL	Surface Water Drainage
POLYLEVER	Grating Removal Tool
POLYLOCK	Grating Lock
RED DOT	Grating Fixing System
ROOFLINE	Rainwater System
ROUNDLINE	Rainwater System
SQUARELINE	Rainwater System
SUPERLINE	Rainwater System
TWINWALL	Surface/Storm Water Drainage
ULTRARIB	Underground Drainage/Sewerage
V-JOINT	Waste Traps
VARIFORM	Waste Trap
VARIPITCH	Pipe Flashing
WASTEFLOW	Trap Connector
WAVINCOIL	Drainage System

Product List
ACCESS CHAMBERS
AIR ADMITTANCE VALVES Waste .
AIR ADMITTANCE VALVES Waste Soil
AIR ADMITTANCE VALVES Waste Soil AGREMENT CERTIFICATE HOLDERS .
BRACKETS Rise and Fall .
CHANNEL Gratings Surface Channel Classes A-F
CHANNELS
CHANNELS Polymer Concrete .
CHANNELS Resin Concrete .
COUPLERS Pipe .
DOWNPIPES
DOWNPIPES Circular .
DOWNPIPES Round .
DOWNPIPES Square .
DRAIN Connectors: PVCu
DRAINAGE Inspection Chambers .
DRAINAGE Rainwater .
DRAINAGE Road Drainage
DRAINAGE Rodding Point System .
DRAINAGE Roof Drainage
DRAINAGE CHANNELS
DRAINAGE CHANNELS Aggressive Substance .
DRAINAGE CHANNELS Airport Runway .
DRAINAGE CHANNELS Bridge .
DRAINAGE CHANNELS BS EN 124 .
DRAINAGE CHANNELS BS EN 1433:2002 .
DRAINAGE CHANNELS BS EN 1433:2002 Load Classes A-F .
DRAINAGE CHANNELS Car Park .
DRAINAGE CHANNELS Chemical Resistant .
DRAINAGE CHANNELS Design Software .
DRAINAGE CHANNELS DIN 19580 .
DRAINAGE CHANNELS Extreme Flow .
DRAINAGE CHANNELS Extreme Loadings .
DRAINAGE CHANNELS Heavy Duty .
DRAINAGE CHANNELS High Capacity .
DRAINAGE CHANNELS Multi-Storey Car Park .
DRAINAGE CHANNELS Paved Areas .
DRAINAGE CHANNELS Pavement Footpath Foot Way
DRAINAGE CHANNELS Pedestrian Areas Cycle Ways
DRAINAGE CHANNELS Petrol Station .
DRAINAGE CHANNELS Polymer Concrete .
DRAINAGE CHANNELS Resin Concrete .
DRAINAGE CHANNELS Ro-Ro Terminal .
DRAINAGE CHANNELS Road Highway Street
DRAINAGE CHANNELS Self-Cleansing .
DRAINAGE CHANNELS Toxic Substance .
DRAINAGE COUPLINGS . .
DRAINAGE PIPES See Also UNDERGROUND DRAINAGE SOIL PIPES or RAINWATER PIPES
DRAINAGE SUDS See Also SUSTAINABLE URBAN DRAINAGE SYSTEMS (SUDS) .
DRAINAGE SURFACE WATER Management Systems .
EXTRACT VALVES
FLAT ROOF Drainage Systems .
FLOOR CHANNELS Abbatoir .
FLOOR CHANNELS Chemical Plant .
FLOOR CHANNELS Food and Drink Processing .
GRATINGS
GRATINGS Balloon .
GULLIES Bottle .
GULLIES Yard Paved Area
GULLY Covers .
GULLY Covers EN 124 Kitemarked
GULLY Gratings .
GULLY Traps .
GUTTER Brackets .
GUTTER Brackets Rise and Fall
GUTTER Stop Ends Internal .
GUTTERS . .
GUTTERS PVCu .
GUTTERS PVCu Circular by Colour: Brown
GUTTERS PVCu Circular by Size: 125mm or 5"
GUTTERS PVCu Circular by Size: 150/152mm or 6"
GUTTERS PVCu Ogee
GUTTERS PVCu Square by Colour: Black
GUTTERS PVCu Square by Colour: Brown
GUTTERS PVCu Square by Colour: White
GUTTERS PVCu Square by Size: 100/102mm or 4"
INSPECTION CHAMBERS
INSPECTION CHAMBERS Base Only .
INSPECTION CHAMBERS Drainage .
INSPECTION CHAMBERS Plastic .
INSPECTION CHAMBERS Polypropylene BS 7158:1989
INSPECTION CHAMBERS Polypropylene PPIC
INSPECTION CHAMBERS Polypropylene Sectional
INSPECTION CHAMBERS PVCu .
LAND DRAINAGE PIPES Agricultural .
MANHOLE COVERS (FRAME INCLUDED) Ductile Iron BS EN 124 Kitemarked
MANHOLE COVERS (FRAME INCLUDED) Metal .
MANIFOLDS
MOTORWAY Drainage Channels .
OVERFLOWS Baths Combined .
OVERFLOWS Cisterns Plain
OVERFLOWS Cisterns /Baths .
OVERFLOWS Sinks Plain .
PERMEABLE PAVING Sub-Base Attenuation Unts .
PIPE Firestop Seals .
PIPE Flashings .
PIPE Suspension Systems .
PIPE Suspension Systems Ventilation
PIPE BRACKETS .
PIPE FITTINGS PVCu .
PIPES
PIPES Flexible .
PIPES Hot Cold Water Pressure Supply Potable Water Supply Pipes
PIPES Plastic Drainage Pipes
PLUMBING FITTINGS . .
PLUMBING FITTINGS Manifolds .
PRESSURE PIPE SYSTEMS
RAFTER Brackets .
RAINWATER GOODS
RAINWATER MANAGEMENT SYSTEMS Attenuation Systems Crates
RAINWATER PIPE Gratings Balloon
RAINWATER PIPES
RAINWATER PIPES Heads PVCu
RAINWATER PIPES Hoppers PVCu
RAINWATER PIPES PVCu .
RAINWATER PIPES PVCu BS 4576
RAINWATER PIPES PVCu BS 4576:Part 1 Kitemarked
RAINWATER PIPES PVCu Circular by Colour: Black
RAINWATER PIPES PVCu Circular by Colour: Grey
RAINWATER PIPES PVCu Circular by Colour: White
RAINWATER PIPES PVCu Circular by Size: 110mm
RAINWATER PIPES PVCu Circular by Size: 68mm or 2.75
RAINWATER PIPES PVCu Circular by Size: 82mm or 3.25"
RAINWATER PIPES PVCu Square by Colour: Black
RAINWATER PIPES PVCu Square by Colour: Brown
RAINWATER PIPES PVCu Square by Colour: White
RAINWATER PIPES PVCu Square by Size: 61mm or 2.25"
RAINWATER PIPES PVCu Square by Size: 70mm
ROAD GULLIES
ROAD GULLIES AGREMENT CERTIFICATE HOLDERS .
ROOF Ventilation .
ROOF Ventilation Cowl
ROOF Weathering Collars
ROOF Weathering Slates
ROOF OUTLETS Rainwater .
ROOF OUTLETS Rainwater PVCu
ROOF OUTLETS Waste Soil Vents .
SEWAGE PIPES . .
SEWAGE PIPES BS 4660:2000 .
SEWAGE PIPES BS 5481 .
SEWAGE PIPES PVCu Plastic
SEWAGE PIPES PVCu BS 5481 Plastic
SEWAGE PIPES PVCu WIS CERT. Plastic
SOAKAWAYS
SOAKAWAYS Modular .
SOAKAWAYS Segmental .
SOIL PIPE Manifolds .
SOIL PIPES and FITTINGS
SOIL PIPES and FITTINGS Adjustable Bends AGREMENT CERTIFICATE HOLDERS
SOIL PIPES and FITTINGS Air Admittance Valves .
SOIL PIPES and FITTINGS Air Admittance Valves AGREMENT CERTIFICATE HOLDERS
SOIL PIPES and FITTINGS Manifolds .
SOIL PIPES and FITTINGS PVCu BS 4514 EN 1329-1
SOIL PIPES and FITTINGS PVCu Plastic UPVC
SOIL PIPES and FITTINGS PVCu by Colours Black
SOIL PIPES and FITTINGS PVCu by Colours Brown
SOIL PIPES and FITTINGS PVCu by Colours Grey
SOIL PIPES and FITTINGS PVCu by Colours Olive
SOIL PIPES and FITTINGS PVCu by Colours White
SOIL PIPES and FITTINGS PVCu by Sizes: Metric 110mm
SOIL PIPES and FITTINGS PVCu by Sizes: Metric 160mm (6.25")
SOIL PIPES and FITTINGS PVCu by Sizes: Metric 82mm (3.25")
SOIL PIPES and FITTINGS Vent Terminals .
STORMWATER Drainage .
STORMWATER Drainage SUDS Best Practice .
STORMWATER Management Systems .
SUSTAINABLE URBAN DRAINAGE SYSTEMS (SUDS)
SUSTAINABLE URBAN DRAINAGE SYSTEMS (SUDS) Soakaway Attenuation Units .
TANK Connectors .
TRAPS
TRAPS Anti-Syphon .
TRAPS Basin, Bath, Sink .
TRAPS Bottle .
TRAPS Combined Overflow .
TRAPS Kitchen Appliance Washing Machine Dishwasher Traps Kitchen Appliance Waste Traps
TRAPS P Shape .
TRAPS S Shape .
TRAPS Shower Tray .
TRAPS Straight Through .
TRAPS Tubular .
UNDERGROUND DRAINAGE . .
UNDERGROUND DRAINAGE Access Gullies .
UNDERGROUND DRAINAGE AGREMENT CERTIFICATE HOLDERS .
UNDERGROUND DRAINAGE Gullies .
UNDERGROUND DRAINAGE Gullies Trapped .
UNDERGROUND DRAINAGE Gully Traps .
UNDERGROUND DRAINAGE Inspection Chambers .
UNDERGROUND DRAINAGE Manhole Bases .
UNDERGROUND DRAINAGE Manhole Channel .
UNDERGROUND DRAINAGE Pipe Connectors .
UNDERGROUND DRAINAGE PIPES . .
UNDERGROUND DRAINAGE PIPES Agricultural .
UNDERGROUND DRAINAGE PIPES HDPE .
UNDERGROUND DRAINAGE PIPES HDPE AGREMENT CERTIFICATE HOLDERS .
UNDERGROUND DRAINAGE PIPES HDPE Flexible .
UNDERGROUND DRAINAGE PIPES HDPE Perforated .
UNDERGROUND DRAINAGE PIPES HDPE Twinwall .
UNDERGROUND DRAINAGE PIPES Highway Drainage .
UNDERGROUND DRAINAGE PIPES Highway Drainage:HDPE .
UNDERGROUND DRAINAGE PIPES Highway Drainage:HDPE AGREMENT CERTIFICATE HOLDERS HAPAS
UNDERGROUND DRAINAGE PIPES Highway Drainage:HDPE Flexible .
UNDERGROUND DRAINAGE PIPES Highway Drainage:HDPE Perforated .
UNDERGROUND DRAINAGE PIPES Highway Drainage:HDPE Twinwall .
UNDERGROUND DRAINAGE PIPES Highway Drainage:Polypropylene .
UNDERGROUND DRAINAGE PIPES Highway Drainage:Polypropylene Flexible .
UNDERGROUND DRAINAGE PIPES Highway Drainage:Polypropylene Perforated .
UNDERGROUND DRAINAGE PIPES Highway Drainage:Polypropylene Twinwall .
UNDERGROUND DRAINAGE PIPES Land Drainage .
UNDERGROUND DRAINAGE PIPES Land Drainage AGREMENT CERTIFICATE HOLDERS .
UNDERGROUND DRAINAGE PIPES Land Drainage BS 4962 Kitemark .
UNDERGROUND DRAINAGE PIPES Perforated .
UNDERGROUND DRAINAGE PIPES Polypropylene .
UNDERGROUND DRAINAGE PIPES Polypropylene Flexible .
UNDERGROUND DRAINAGE PIPES Polypropylene Perforated .
UNDERGROUND DRAINAGE PIPES Polypropylene Twinwall .
UNDERGROUND DRAINAGE PIPES PVCu .
UNDERGROUND DRAINAGE PIPES PVCu 110mm Diameter .
UNDERGROUND DRAINAGE PIPES PVCu 150mm Diameter .
UNDERGROUND DRAINAGE PIPES PVCu 160mm Diameter .
UNDERGROUND DRAINAGE PIPES PVCu 225mm Diameter .
UNDERGROUND DRAINAGE PIPES PVCu 300mm Diameter .
UNDERGROUND DRAINAGE PIPES PVCu 82mm Diameter .
UNDERGROUND DRAINAGE PIPES PVCu BS 4660 .
UNDERGROUND DRAINAGE PIPES PVCu BS 4660 Kitemarked .
UNDERGROUND DRAINAGE PIPES PVCu BS 5481 Plastic
UNDERGROUND DRAINAGE PIPES PVCu BS EN 1401-1:1998 .
UNDERGROUND DRAINAGE PIPES PVCu WIS CERT. .
UNDERGROUND DRAINAGE PIPES Road Drainage .
UNDERGROUND DRAINAGE PIPES Subsoil Drainage AGREMENT CERTIFICATE HOLDERS .
UNDERGROUND DRAINAGE PIPES Subsoil Drainage BS 4962 .
VENTILATION TERMINAL Weathering Slate .
W.C. Connector Gaskets
W.C. Connectors .
W.C. Connectors Kitemarked
W.C. Connectors Self Sealing
WASTE PIPES and FITTINGS
WASTE PIPES and FITTINGS ABS .
WASTE PIPES and FITTINGS BS 5255 .
WASTE PIPES and FITTINGS Colours: Black
WASTE PIPES and FITTINGS Colours: Brown
WASTE PIPES and FITTINGS Colours: Grey
WASTE PIPES and FITTINGS Colours: Olive
WASTE PIPES and FITTINGS Colours: White
WASTE PIPES AND FITTINGS Flexible Push-Fit
WASTE PIPES and FITTINGS MUPVC .
WASTE PIPES and FITTINGS Polypropylene .
WASTE PIPES and FITTINGS Polypropylene BS 5255 .
WASTE PIPES and FITTINGS Polypropylene BS EN 1451 .
WASTE PIPES and FITTINGS Push-Fit Joint .
WASTE PIPES and FITTINGS PVCu .
WASTE PIPES and FITTINGS Sizes: 32mm or 1.25
WASTE PIPES and FITTINGS Sizes: 40mm or 1.5
WASTE PIPES and FITTINGS Sizes: 50mm or 2
WASTE TRAPS and FITTINGS
WASTE TRAPS and FITTINGS Plastic - Colours: White
WASTE TRAPS and FITTINGS Plastic - Sizes: 32mm or 1.25
WASTE TRAPS and FITTINGS Plastic - Sizes: 40mm
WASTE TRAPS and FITTINGS Plastic - Sizes: 50mm or 2 "
WASTE TRAPS and FITTINGS Polyethylene .
WEATHERING Collar, Roof .