hepworth drainage channel. Hepworth Clay channels and fittings | Wavin Rainwater and Stormwater Subsurface Conveyance Hepworth Clay channels and fittings Categories Clay pipe (22) Fitting with 2 connections (129) Fitting with 3 connections (74) Product name Hepworth Clay breeches oblique junction 45° 100mm CJ5/1 Hepworth Clay breeches oblique junction 45° 150mm CJ5/3 Range. hepworth drainage channel

 
Hepworth Clay channels and fittings | Wavin Rainwater and Stormwater Subsurface Conveyance Hepworth Clay channels and fittings Categories Clay pipe (22) Fitting with 2 connections (129) Fitting with 3 connections (74) Product name Hepworth Clay breeches oblique junction 45° 100mm CJ5/1 Hepworth Clay breeches oblique junction 45° 150mm CJ5/3 Rangehepworth drainage channel  Patented flying buttress design provides load-bearing support from both sides as well as underneath the channel

Features & Benefits: ACO Threshold Channel Drain End Cap. Applications Garden paths Walkways Patios Barbecue areas Pool surrounds Domestic driveways Stepped areas drainage systems for both housing and civils projects, communication and power ducting and surface water collection and dispersal. co. Direction of flow is from the socket towards the spigot. Threshold drainage usually involves a linear channel drain , with slot. Categories Clay Drainage & Accessories SuperSleve Channels 100-300mm Speak with your nearest branch Products A range of plain ended or socketed channels for use in. Hepworth SuperSleve clay drainage system comprises a range of vitrified clay pipes, bends, junctions. BIM by Wavin puts a new level of productivity at your fingertips, enabling everyone in the construction chain to access the full time and cost savings of the BIM way of working. Hepworth 100mm Channel Pipe 1. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. End outlets are standard, but if you need to disperse large amounts of water, take advantage of the bottom outlets. The threshold is only 60mm wide and sits flush to the door for maximum discretion,. . All SuperSleve products are manufactured… Continue reading. View manufacturers from Drainage gullies and channels. EAN Number. Material . 27′) each with a built-in slope of 0. A range of plain ended or socketed channels for use in foul and surface water manholes; also as a dry weather channel in combined sewers. Find drainage channel units, including affordable plastic channels and concrete or polymer drainage online at. 2KW, 50HZ, 2900RPM, 3PHASE JavaScript seems to be disabled in your browser. Service you would expect from a recommended trusted UK company. Or call us at 888-825-4716. Consider driveway drainage to prevent flooding and other collateral damage. Corys Piping Systems: piping solutions for a smarter tomorrowSpee-D Channel Drains are 4-3/4 in. Add to basket. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. list > manufactures g-h-i > Drainage Above & Below Ground > Flexible Jointed Clay > Hepworth Building products > Hepworth Drainage: 150mm X 0. Attenuate press infiltrate. Our experts can help you, call today at 610-638-1221. uk. ACO Hexdrain Pro Channel Drain 138mm x 150mm x 1000mm - C250 Load. 75m Plain Ended Drainage Pipe Hepworth SuperSleve 150 SP2. 1. SKU: DRCHE007. Vortex flow control valves; Subsurface Conveyance. ACO offers products made of cast iron and stainless steel. £45. 12. co. Bends, reducers, junctions and clay pipes. Durable manufacturing ensures long-life usage. - via a new inspection chamber or new manhole. Sanipex Group offers an extensive range of high-quality, design-led products developed with 25 years of experience, making Sanipex Group the first choice for industry professionals and homeowners alike. 1 clay drainage brand in the UK, with a reputation second to none for product quality, technical ability and customer service. That is, the subsurface geology has a similar. Aco Drive Drain - Case Study III; Aco Drive Drain - Case Study III; Aco Drive Drain - Case Study III; Drainage - A Guide to Installation;. Hepworth Clay offers a comprehensive range of drainage products suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage. Our new range of inspection chambers to BS EN 13598 can be used in these scenarios. Polypipe below ground drainage systems are: Compliant to Sewerage Sector Guidance for England, Sewers for Scotland and the Welsh Minister Standards for Sewers. Transfer/Booster Pump Sets 2 products; ESPA 3 products; GRUNDFOS 9 products. co. Load class according to EN 1433 . Hepworth Clay drainage pipes Hepworth Clay channels and fittings. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. Concrete Drainage. Select Country My PortalThese CAD drawings have been prepared by Hepworth - Wavin and do not necessarily conform to standard FastrackCAD drawing and layering conventions. Alternatively,. Hepworth Supersleve Clay Drainage feature high material strength, which betters the performance and life expediency of up too 100 years. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Proceed to secure checkout Or, Continue shopping. More Info. FloPlast offers a comprehensive choice of soil & waste systems and products, in a range of sizes and colours, to suit all tastes and applications. Park, Harry Weston Road, Coventry CV3 2TT. Wavin Hep2O push-fit Tigris K1 press-fit Tigris K5 press-fit Tigris M5 press-fitAs a world-leading Water-tech company, ACO offers comprehensive solutions for rainwater and wastewater management. Open the catalog to page 2. Registered Office: Merchant House, Binley Business. Manufactured from recycled polypropylene, ACO HexDrain Pro is suitable for vehicle traffic up to Load Class C 250. They are shaped like a U and and can be simply clipped together. Add to basket. Select Country My PortalFind Channels and Fittings for Hepworth Clay drainage system. 0 0. wide, 3-3/4 in. Posted on February 1, 2023 by jessica. £77. Soil & Waste Systems. Phone : 06-7431648 Mobile : 054-4678409. Manufactured to BS EN295. 32 each (Inc. Suitable for domestic properties where subtle appearance is designed. Brett Martin Perforated Blown Socket Plastic Underground Drain Pipe More Options. Classification Pr_65_52_24. Clay Drainage Introduction Section 2 Page 4 Technical Advisory Service Tel: 0870 4435551 Fax: 0870 4435552 E-mail: info@hepworthdrainage. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Close Menu. All SuperSleve products are manufactured… Continue reading. Channel drains, or drainage channels, reduce surface water issues. 2. All of the current Threshold Drain accessories can be used on these new items. Hepworth Clay square cast iron gully grid 225mm Hepworth Clay Drainage channel comprises of vitrified clay half and three-quarter section channels for use with SuperSleve drainage systems in the construction of inspection chambers and manholes. high, and 10 ft. 95 incl VAT. Manufactured to BS EN295. Standard Drain Channel (£8. All SuperSleve products are manufactured… Continue reading. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Introduction to Hepworth Clay Hepworth Clay Vitrified clay is a well-established material for use in below-ground drainage systems. Inspection Chambers. Useful resources. £70. £22. Hepworth Terracotta ridge tiles; Surface Drainage. Drainage channels work by removing surface water away from a given area. T: 0844 856 5165 . UK. uk. The Hepworth domestic channel drainage range consists of: HepFlow® Linear Drainage - domestic polymer concrete drainage system. Use the Travis Perkins range of surface drainage on patios, driveways and car parks. Begin at the intersection of your channel drain sections and the drainage run or soakaway. Hepworth Clay drainage specification Download PDF Take a look at our other Hepworth Clay channels and fittings product ranges Fitting with 2 connections 129 variations Clay pipe 22 variations Fitting with 3 connections 74 variations All Hepworth Clay channels and fittings products. - via a new branch junction or access chamber to an existing pipeline. Code: Enlarger: 100x150 150x225 225x300. long; length can be cut to size with a saw. Hepworth Clay drainage pipes > Hepworth-PP-Paved-Area-Gully-Top-100; Hepworth Clay drainage pipes. Vitrified clay is a well-established material for use in below-ground drainage systems. 00 + £5. Brett Martin Inspection Chamber Shallow Access Base 90 Degree 280mm - 110mm. pipe joint with channel to be located 100 min. Trench drains, also known as channel. Hepworth Clay offers a comprehensive range of drainage products suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage applications. by Mina Vucic September 01, 2021 05:39 PM GST September 02, 2021 01:01 PM GST. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. wide, 3-3/4 in. We have an extensive range of Concrete Drainage Channels and Road Gullies suitable for the effective management of wastewater on site. Channels, gullies and Inspection Chambers available in a range of sizes. 90 per U. Wavin (98) Hepworth Clay Drainage (57) Manthorpe Underfloor Ventilator 3-5 Courses. Select Country My PortalBrand: Hepworth Clay Drainage . Clay Drainage SuperSleve & Flexseal Products. Wavin Hep2O push-fit; Tigris K1 press-fit; Tigris K5 press-fit; Tigris M5 press-fit; Calefa District Heating. 52 £186. However, before you start your project, there are a few do's to keep in mind. Correctly installed it has a lifetime expectancy of over 100 years. £190. Direction of flow is from the socket towards the spigot. Dig a trench which is large enough in height to accommodate a 50mm compacted sand base at the bottom, and is wide enough so that 100mm of concrete side fill on each side can surround the channel. Brett Martin Plastic Underground Drain Pipe Double Socket PVC Slip Coupler More Options. 6m Channel Pipe Cpp2/2 - £27. 25dg Right Handed Clay Channel Socketed Pipe Bend. Brett Martin Drain Inspection Chamber Manhole Cover and Frame 50kN for Driveway - 450mm Round. Clark Drain Inspection Chamber Manhole Cover 450mm Diameter. Hepworth Domestic Channel Drainage Systems have been designed for quick and easy installation. Garastor. Your shopping basket (0) Clear All Sub total. 34 £58. Hepworth Clay mini access chamber cover and frame 345x345mm. Against the direction of flow), the socket projects to the left. Main channel – 150 mm . Hepworth Clay mini access chamber raising piece 150mm height. Brands: AEON Valves | AQUAPLUS. Manufactured from recycled polypropylene, ACO HexDrain Pro is suitable for vehicle traffic up to Load Class C 250. 00. Solutions; Downloads. Fernco – Adaptor Coupling. Delivery or pick up local to you Hepworth Drainage from a highly recommended trusted company. Trading as Jewson Civils Frazer. 32 each (Inc. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Company Registration No: 01647362. Channel Drainage. co. Step 3. Important note: handing of channel and access fittings is as viewed against direction of flow. Clay 150mm x 100mm 45 degree Plain Ended Oblique Drainage Junction Hepworth SuperSleve 150 SJ1/2. Open Channel 6 Overpass 7 Pipe Section 7 Penstock 7 Rising Main 7 Structure 8 #936692. After this, remove the guttering and smooth any ridges in the concrete. Features & Benefits: ACO Hexdrain Plastic Channel Drain A15 with Microgrip - 1m. Side inlets – 2 no 100 mm at 45 ° - 2 no 150 mm at 90 ° Standard depth units can be raised . Drainage & Sewerage Systems - 06 HDPE Soil Waste and Vent Application - 07 HDPE &MDPE Pressure Pipe & Fittings Systems - 08 uPVC Duct and Pipe Accessories - 09. Add to basket. Hepworth Clay square cast iron gully grid 225mm Hepworth Clay Drainage channel comprises of vitrified clay half and three-quarter section channels for use with SuperSleve drainage systems in the construction of. More information. Classification Pr_65_52_24. 95 incl VAT. 3. Code: Pipe: Length m 0. A range of plain ended or socketed channels for use in foul and surface water manholes; also as a dry weather channel in combined sewers. Domestic Channel - Underground Drainage Supplies | Drainfast LtdTurtle Enviro Accesso 600mm Single Piece Adoptable Inspection Chamber for 150mm Twinwall - 1500mm Depth. Channel drain easily connects to underground drainage systems thanks to its 3- and 4-inch outlets. Channel drain easily connects to underground drainage systems thanks to its 3- and 4-inch outlets. The company was established over 40 years ago in Dubai and manufactures pipes and fittings in the UAE, Oman and Qatar. Shallow inspection chambers. There is an enormous range available, from simple half-metre or metre-long polymer. Galco is a leading provider of surface water management systems to modern urban landscapes. Their main objective is to systemically collect and remove waste. Pro Series Channel Drain Kits, and each kit includes a 4-1/8 in. Important note: handing of channel and access fittings is as viewed against direction of flow. Square. Related Hepworth Drainage Products: 225x100mm Yard Gulley Med Grate Rgp6Buy Hw Channel Brch Jnct 122 150x150mm Cj6/3 - £137. A Hepworth Clay Drainage system will withstand high water pressure jetting so that more blockages are cleared first time. 20 per U. Hepworth Clay is a brand from Wavin. General enquiries: 0345 456 9594. When you need to offer the most sustainable solutions, OsmaDrain is the only system to offer a 50% recycled pipe. QUICK VIEW. 78. Hepworth SuperSleve Drainage Specification Client name – Date - Site address – 1 Manufacturer details Wavin Limited, Edlington Lane, Edlington, Doncaster, DN12 1BY T: 0844 856 5165 E: [email protected] Country My PortalSelect Country My PortalSelect Country My PortalClay, one of the oldest and most sustainable pipe materials, remains a popular choice for drainage specialists. A range of plain ended or socketed channels for use in foul and surface water manholes; also as a dry weather channel in combined sewers. 78. Deep inspection. Use a spirit level to make sure the fall is set at the correct angle. Vortex flow control valves; Subsurface Conveyance. Applications Hepworth domestic linear drainage products can be used in a variety of applications, including: Garden paths Walkways Patios Barbecue areas Pool surrounds Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Hepworth Clay provides a range of drainage systems combining secure jointing with ease of installation. Range Hepworth Clay inspection chambers are supplied complete with multi inlets to connect directly to SuperSleve pipe systems, any or all inlets can be easily adapted to plastic drainage systems with the adaptor provided. Main channel – 100 mm . £92. 0 1. VAT. Drainage - Soakaways. ACO helps you to design the correct roof drainage and to perform the hydraulic calculations with its latest, standard design. To which can be added the Hepworth hallmark of precision manufacturing to guarantee consistent quality, standards compliance, a complementary jointing performance and total service support. Clark Drain D400 Cast Iron SW Badged Manhole Cover & Frame - 600mm x 600mm x 100mm. 00 incl VAT. The infinitely versatile solution made of V4A stainless steel. Hepworth Clay drainage specification Download PDF Take a look at our other Hepworth Clay channels and fittings product ranges Clay pipe 22 variations All Hepworth Clay channels and fittings products Solutions. Unique flanges on the bottom of the channel provide an anchoring lip for straight installation and prevents floating. Drains that only serve individual properties remain the responsibility of each householder. £[email protected]. For use in constructed manholes and as a dry weather channel in combined sewers. Attenuate press infiltrate. Trading as Jewson Civils Frazer. Direction of flow is from the socket towards the spigot. £58. 21 UK and Worldwide delivery. Specification. Black Traditional Gully Grid Grate Drain Cover Drainage Guard Gutter Lid Cap Ironmongery World. Hepworth 15° Right Hand Channel Bend, manufactured from vitrified clay. Made of flexible PVC their durability causes them to be suitable for above-ground or. An ISO 9001, ISO 14001 & ISO 45001 registered company, in 2009 Hepworth PME Qatar became the first plastic pipe manufacturer in Qatar to achieve “Kitemark” third party certification on its soil & waste and drainage products, clearly demonstrating the company’s commitment and dedication to supplying its customers with the highest quality. It develops in regions underlain by homogeneous material. Drainage. Alfa Channel® is a modular, pre-cast, pre-engineered polymer concrete (PC) trench drain system that has an interior channel width of 4″. Grassed channels generally treat smaller drainage areas of 1 acre or less. The Garastor control unit can be used as a flow control device, linked to AquaCell units or a void space under the floor slab of a single residential dwelling. Buy online Hepworth Drainage at MyTub trade counter. Email: [email protected] YORKSHIRE DN12 1BY. Search, find and download high-quality BIM content for drainage from brands like BLÜCHER and Polypipe. 00 incl VAT. SKU: DRCHE007. 6 hours ago. £47. (HepFlow example used). There are 4 basic profiles to the most common, pcc road kerbs used throughout Britain. Clay drainage systems are durable and reliable. 109131338. Hepworth Clay drainage pipes. . 63 UK and Worldwide delivery. Superior quality stormwater residential and commercial drainage systems. Clark Drain 5 Tonne GPW Recessed Manhole Cover and Frame 580 x 580 x 54mm. In this video i will show you step by step how to connect, cut and install a new drain grate or channel. CT2/1 CT2/2 CT2/3: Reducer: 100x150 150x225. Fax: 01709 856301. Get quality UPVC/PVC/HDPE pipes & fittings for low cost from top Hepworth traders & wholesalers in UAE. list > manufactures g-h-i > Drainage Above & Below Ground > Flexible Jointed Clay > Hepworth Building products > Hepworth Drainage: Cj6/1 Hep 100x100mm Breeches. 100. CE marked and kitemarked to EN 295. Cast Iron Manhole Cover and Frame 600L x 600W x 150H - F900 Loading. No special tools are required. uk 3Hepworth Clay drainage specification Download PDF Take a look at our other Hepworth Clay channels and fittings product ranges Fitting with 3 connections 74 variations Clay pipe 22 variations Fitting with 2 connections 129 variations All Hepworth Clay channels and fittings products. Nds 12 In Square Catch Basin Drain Grate Decorative Botanical Design Gray Plastic 1218gy The. Hepworth Clay SuperSleve 225 EPD for SC1/5 . T: 0844 856 5165 . Clay is one of the oldest materials for drainage pipes, with clay sewerage pipes dating back 2,500 years, being unearthed in Ephesus in Turkey. Founded almost 150 years ago, Hepworth Drainage has maintained a reputation for product quality, technical knowledge and support, and commitment to customer service. Hepworth Clay mixed base inspection chamber 475mm 1030mm deep. Corys Piping Systems: piping solutions for a smarter tomorrowUnderground Drainage. £65. 40, Sch. Add to basket. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. It’s the very first twinwall surface water drainage system in the UK with Highways Authority Product Approval Scheme (HAPAS) status (up to 900mm). Important note: handing of channel and access fittings is as viewed against direction of flow. Hepworth SuperSleve clay drainage system comprises a range of vitrified clay pipes, bends, junctions. Close Menu. Features & Benefits: ACO Brickslot RainDrain Slot Drain Channel 1m x 118mm x 173mm - B125. 00 incl VAT. The RELN Storm Drain channel series is easy to install and allows maximum flexibility in solving your drainage requirements around the home or light commercial applications. Email: [email protected] Hepworth Clay Range. Buy Cj2/4r Hep 225x100mm Channel Sq. 5027888157577. Features an offset slotted grating with a slim 10mm inlet slot. Products. Hepworth Clay offers a comprehensive range of drainage products suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage. Size: 150mm, Finish: Vitrified Clay, TSI Code: 9794922, EAN Code: 5027888004192. Delivery or pick up local to you Hepworth Plastidrain from a highly recommended trusted company. Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Catalog code Wavin. Hepworth SuperSleve has a wide range of pipes and fittings available for domestic, adoptable, commercial or industrial drainage. Linear drainage refers to systems that drain along their entire length, rather than at one particular point, as a gully does. Drainage. 00 incl VAT. All SuperSleve products are manufactured… Continue reading. WebThe Hepworth range of domestic linear drainage products offers a complete and integrated surface water drainage system for all domestic applications. £14. Parturient in parturient scelerisque nibh lectus. £29. - via an existing manhole or existing inspection chamber. A drainage channel is usually a ground-level grate with a pipe underneath to carry the water away. Socketed Clay Channels 150-225mm Cutters, Stoppers and Lubricant6 Gullies7 Clayware Accessories 7 Universals 100 and 150mm 7. Threshold drain channel with end caps fitted with snap-out section removed Cement. GRUNDFOS CM10-3(A), 2. How to install drainage channel grate the easy way. Eliminate standing water on hardscapes before it damages your property. £1,050. Add to Cart. DACTA Therm. Service you would expect from a trusted UK company. 00 incl VAT. uk Certification BSEN 295-1 Kitemark certified Agrement Certificate 02/3884 (100 & 150 mm only) Pipe dia Crushing strength / Class no – 100 mm – 40 kN/m n/a Hepworth Clay SJ1/3 150mm x 150mm Diameter Supersleve Plain Ended Equal 45 Degree Oblique Junction. co. Clay’s main benefits are its durability and longevity, plus it has a. View options. B125 Drainage Channel (125kn) Stainless Steel Grate C250 Galvanised Drainage Channel Dakota A15 Channel Drainage Easyflow A15 Drainage Channel 250kn Drainage Channel Cast Iron Grate C250 Drainage Channel (250kn) Dakota Taurus 200mm Channel Drainage D400 & F900 Commercial Drainage Channel. uk 3 Features and Benefits • Sustainability – Clay pipes have low embodied CO 2, with a true cradle to cradle pedigree, including low environmental impact in raw material sourcing, highly efficient manufacturing processes, a long service life and true end-of-life recyclability. Brett Martin Inspection Chamber Riser 450mm diameter - 325mm Invert. Brett Martin Inspection Chamber Riser 450mm diameter - 325mm Invert. co. Grate made of polyethylene treated with UV inhibitors. Permanent Redirect. Use the Travis Perkins range of surface drainage on patios, driveways and car parks. All of our Underground products come from quality assured sources and are BS Kitemarked, BBA Certified and/or comply fully with current UK and European standards. The clay itself is 100% natural and recycled and meets BS EN 295-1 regulations. Direction of flow is from the socket towards the spigot. 04 inc vat. VAT £28. Registered in England and Wales. Buy online Hepworth Plastidrain at MyTub trade counter. E: [email protected] drainage is ideal for different underground works, including foul sewerage, surface water, and road drainage. Hepworth Clay Socketed Channel Pipe 150mm Length 0. In Stock. Suitable for use with Hepworth Clay Supersleve drainage systems but can be converted for 110mm plastic piping with the. Product name. Hepworth Clay channel bend 90° 150mm CBP1/2 Hepworth Clay double oblique. ’HEPWORTH’ CODE SPIC2/1 595 DEEP - 5x100 INLETS ’HEPWORTH’ CODE SPIC1/2 1030 DEEP - 2x100 + 3X150 INLETSHepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. EAN Number. Hepworth PP Paved Area Gully Top 100. The 3 in. 25dg Right Handed Clay Channel Socketed Pipe Bend. 1. Drainage systems are intended to dispose of wastewater as quickly as possible, while also preventing the gases from sewers and septic tanks from entering residential locations. DRAIN RUN PROTECTED BY LINTELS OVER PEA SHINGLE SURROUNDING DRAIN RUN, Min. Hepworth CJ4/6 90 Degree Clay Channel Square Double Junction 225mm x 225mm. PVC Flexible Pipe Cap with Stainless Steel Clamps (Pack These caps offer a quick easy way to These caps offer a quick easy way to cap pipe ends test pipes and clean-outs. Direction of flow is from the socket towards the spigot. 62. Hepworth Clay drainage specification Download PDF Take a look at our other Hepworth Clay channels and fittings product ranges Fitting with 3 connections 74 variations Clay pipe 22 variations Fitting with 2 connections 129 variations All Hepworth Clay channels and fittings products. The Hepworth Clay SPIC1/1 100mm/110mm PPIC Polypropylene Inspection Chamber Base is a lightweight solution for private drainage systems that can be installed quickly and easily with no need for wet trades or lifting equipment. Category - Clay Drainage & Accessories (57) HepLine (1) SuperSleve 150 (10) SuperSleve 225 (6) SuperSleve 300 (7). Designed, tested and certified to BS. The channel has a knockout outlet to enable connection to the drainage system. Colour . Hepworth Terracotta ridge tiles; Surface Drainage.