The standard channel assembly consists of a slimline stainless steel channel and grating. Our aim is to constantly improve every aspect of safety, delivering a hygienic and functional performance system that can even be water proof. The Aco Drive Drain should be laid onto a full concrete bed. Upper surface: 12 mm, for use with or without glass shower wall. The ACO Drainage System Assessment comprises a complex evaluation of the existing drainage system and surrounding environment including production and service technologies and its impact on potential risks within food processing plants. The ACO Building Drainage division offers stainless steel floor and trench drainage solutions for the industrial industry. 37 (1000) 12666 68. The steel parts are passivated; the gratings are brushed to the silk gloss. Length: 990 and 1490 mm, which can be shortened on site. DrainLine 100. About ACO. Southeast Sales Office Follow us on 4211 Pleasant Road Fort Mill, SC 29708 Toll free: (800) 543-4764 Fax: (803) 802-1063 April 2018 Specifications General The surface drainage system shall be ACO Drain FG200 complete with stainless steel frame and boltedThe MultiDrain MD system comes in three different widths, 100mm, 150mm and 200mm with both sloping and constant depths channels. PowerLok grate SK1 ductile iron longitudinal grate - CI F 96096 19. Version: available in right hand and left hand version. With a range of accessories available from corner units to ø110mm vertical outlets, it is now possible to use as. From the user's point of view the ACO ShowerDrain C excelled especially by the high flow rate, very low construction height and very easy maintenance. - Medium pressure water to max 12 bar. ACO Sport. 03 October 2008 by ACO Water Management. Grates shall be specified. ACO StepDrain System overview ACO Technologies plc ACO Business Park, Hitchin Road, Shefford, Bedfordshire SG17 5TE Tel: 01462 816666Fax: 01462 815895 e-mail: technologies@aco. 6 Side elevationACO HexDrain® B 125 provides a drainage system for driveways and small private car parks. ukwebsite: MT1111SD Profile VIEWS WidthDepth Product LengthOverallOverall Invert Weight CodeDescription mm mmmm kg mmManufactured from galvanised and stainless steel, ACO StepDrain eliminates water ponding at house entrances. This product is suitable for use in Building Regulations Part M compliant installations in England and Wales and Building Standards Section 4. The system is compliant with Part M of the Building Regulations for England and Wales. 4'' Ulma MultiV100 Polymer Concrete / Stainless Edge Kits. Mounting: Ready for installation. Drainage System Assessment Kitchen assessment Design consultancy Installation supervision On-site welding and installation. Introduction: The two most common examples of Threshold Drainage would be: Where paving meets an entrance to a building. 24 March 2009 by ACO Water Management. Length: 940mm Width: 53mm Depth: 159mm Invert: 150mm Weight: 9. ACO offers sustainable, integrated drainage systems designed to protect your business and the environment. Small Business. ACO Doorway Drain 39 ACO StepDrain 41 ACO DrainMat 43 ACO GroundGuard 45 ACO GravelGuard 47 ACO BorderGuard 49 ACO StormBrixx SD 51 LOAD CLASSES AND TYPICAL USES A 15 Pedestrian, cycleways, minimally trafficked area (light domestic vehicles only) B 125 Pedestrian precincts, light vehicles, private car parks. SHOP SHOWERDRAIN PREMIUM COLLECTION. With its integrated approach, ACO stands for professional drainage, economical cleaning, and the controlled release and reuse of water. This evaluation also covers risks arising from drainage integration, and floor and wall quality. ACO S Range. Installation and maintenance. There are several install options available when building or renovating a bathroom. The surface drainage system shall be ACO Drain Brickslot, as manufactured by ACO, Inc. 92" diameter outlet connects to ACO 8" Hygienic Floor Drain body. Participating ACOs assume accountability for improving the quality and cost of care for a defined patient population of Medicare beneficiaries. Add to basket. KlassikDrain - KS100 Stainless steel edge rail channel system E Type K901S In-line catch basin H I J One meter channel Half. 888-490-9552 POLMER CONCRETE TRENCH DRAIN SYSTEMS 1 ACO Drain consists of a full range of modular channels with captive grates. £19. The SlabDrain – HK series are available in 4” (H100K-6 & H100-8), 8” (H200K-13), and 12” (H300K-13) internal width. Southeast OfficeAn aesthetically pleasing alternative to conventional shower trays. ?. ACO Modular Channels Installation Manual. Overview. PointDrain. O. The philosophy which guides us internally and protects our customers. Prednosti. The system is compliant with Part M of the Building Regulations for England and Wales and SectFloor drainage. It is designed for use with doorway systems up to 1000mm wide, however multiple drainage runs can be. Find many great new & used options and get the best deals for Aco 1000mm Raindrain Polymer Concrete Drainage Channel A15 at the best online prices at eBay! Free shipping for many products!ACO StepDrain Channel Assembly. * This channel features bottom knockouts; 4″ & 6″ for 100 mm channels. 50 6. Product ID ACO-02449. The SlabDrain – H series are ideal for non-metal applications and are available in 4” internal width. ACO MultiDrain M100 ATec Mosaic Iron Grating 500mm - D 400 Loading. DL016 Polymer Concrete Install Guide Spanish 2017. Specialist Supplier Of Over 18,000 Drainage Products. For 200mm wide channels. reserves the right to change the product and specifications without notice. Casa Grande, AZ 85122. com. Beechcraft St. Step 2: Lay a firm base. Using your string, mark the line along the trench that will show the finished level of the grate. Notes: 1. O. Manufactured from Vienite, ACO's high strength polymer concrete material, ACO RainDrain is suitable for domestic applications up to Load Class A 15. or similar approved. The high quality ACO RainDrain channels interlock, allowing for quick and easy installation. Vee-bottomed (V) profiled channel for enhanced flow efficiency rates and for improved self cleaning performance. reserves the right to change the product and specifications without notice. Length Width Weight inches (mm) inches (mm) lbs. ACO Slot Drain ACO Slot Drain Introduction Introduction ACO Slot Drain product range The ACO Slot Drain range is suitable for all common applications and floor types. EN. ACO stands for professional drainage, efficient cleaning, and the controlled discharge or reuse of water. ACO offers a full product line solution for track and field, as well as the surrounding public. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian český русский български العربية UnknownWest Office Toll Free: 888-490-9552 825 W. • Concrete surround dimensions are minimum dimensions and engineering advice should be taken to confirm appropriate for the specific project. Strong and durable Vienite® construction is ideal for longevity. ACO. West Sales Office P. ACO Canada is an active user of social media. Once you have laid your concrete foundation, leave for 48 hours to dry, covering the trench if necessary to protect it from rain water. GRC (glass reinforced fibre) is sometimes used but is predominantly used in cladding panels, and HDPE (plastic) is generally only used for drainage in domestic applications. DR100 ACO Drain Catalog Part 1 – Introduction. General. The “Y” dimension shown below indicates the full height of the channel (80mm). The system is suitable for use in a wide range of applications including commercial and residential developments, pedestrian precincts, landscaping and parking areas for all vehicle types. 75 7. The various options in the range allow the customer to choose the right drain for their needs. The simple guide means your don't need any experience to install ACO exhausts. 3 min read. News. KlassikDrain KlassikDrain - K100/K200/K300 MiniKlassik - K50 Brickslot 2. Estimated lead-time 3-5 working days. Sump Boxes. 59" diameter outlet connects to ACO 10" Hygienic Floor Drain body. ACO Drain systems consist of manufactured modular. Notes. ACO, Inc. You save: £30. The ACO Drainage System Assessment comprises a complex evaluation of the existing drainage system and surrounding environment including production and service technologies and its impact on potential risks within food processing plants. Loading up to EN1433 Load Class F and 200,000 lb proof. 2 m between the roof and the buried pipes. 84” (123 mm). ACO STEPDRAIN INSTALLATION ACO Technologies plc ACO Business Park, Hitchin Road, Shefford, Bedfordshire SG17 5TE Tel: 01462 816666 Fax: 01462 815895 e-mail: technologies@aco. 9l/s. ACO Q-Ceptor oil separators are an innovative range of bypass and full retention separators. Jebel Ali Free Zone Dubai, Street 100, Building 07 P. It is available in two channel lengths, 940mm and 1088mm, to provide a threshold drainage solution for almost any door size. £12272 (£24. Digital tools to support trench drainage and surface water management design 24/7 - Visit: ACO Lightline ACO Lightline is an illumination kit for ACO Shower Channels and stainless steel designer gratings. 0 gives assurance that your design output will be fully compliant with best practice and the latest SuDS standards. 5 Inch Commercial Drain Openings. Rubber Safety Edge offered to reduce athlete injury. com Corporate Office Download the ACO Drain brochures of various modular, commercial-grade, grated trench drain systems, including KlassikDrain, Brickslot etc. Download +44 (0)1462 816666 Website Contact manufacturer No related products in this Product. Step 3: Prepare the ACO drain outlet. Cutting channels is required to form direction changes, junctions and produce non-standard lengths. The ACO Building Drainage wetroom former provides the ultimate bathing facility without compromise. From £99. The tool supports ACO's Civils + Infrastructure channel drainage systems. And many more. Manufacturer ACO. Part Number - 97477. ACO Threshold Drain channel and corner unit in CorTen finish are brand new to the ACO range. Typical: $67. The steel parts are passivated; the gratings are brushed to the silk gloss. The high quality channels clip together for quick and easy installation. Dimensions. ACO stands for professional drainage, efficient cleaning, and the controlled discharge or reuse of water. Today, ACO USA has sales personnel across the country and an extensive distribution network through. ACO grating selection guide Shower designer Grease separator planner Oil separator planner Layout of wastewater lifting plants Layout of pump station. ACO leads the way in. 5 x Polydrain B125 12. Installation instructions and guidelines Cleaning and maintenance of stainless steel drainage Stainless steel in swimming pools. News. The surface drainage system shall be ACO Drain Brickslot, as manufactured by ACO, Inc. REFER TO ACO'S LATEST INSTALLATION INSTRUCTIONS FOR FURTHER DETAILS. Waste management products. Step 3: Prepare the ACO drain outlet. It is available in two channel lengths, 940mm and 1088mm, to provide a threshold drainage solution for almost any door size. 00 incl VAT. 2. Building drainage. Large roofs, per drain 150 m². Version: available in right hand and left hand version. The company has further locations in Phoenix, AZ, and Fort Mill, SC. elektropolirani nehrđajući čelik kvalitete AISI 304. ca or visit the. 1-800-543-4764 info@acousa. Threshold drainage mats. About ACO. It is available in two channel lengths, 940mm and 1088mm, to provide a threshold drainage solution for almost any door size. Price $ Weight lbs Pallet Qty LOAD CLASS A - EN 1433 - 3,372 LBS - 70 PSI Type 410D Galvanized perforated 39. The standard channel assembly consists of a slimline galvanised steel channel and stainless steel grating. More information. We believe our systems and services are truly unique and deliver unparalleled benefit to. Casa Grande, AZ 85122 Tel: (520) 421-9988. Coordinated care helps ensure that patients, especially the chronically ill, get the right care at the right time, with the goal of avoiding unnecessary. Add to basket. Basic characteristic. ACO Threshold Drain comes complete with either a silver or black aluminium, CorTen steel or stainless steel Heelguard grating suitable for pedestrian traffic. The installation device is ideal for long straight runs or runs with slight curves. ACO Drain systems consist of manufactured modular trench drains made from stainless steel, corrosion resistant polymer concrete, or fiberglass, together with grates from a. ACO Building Drainage is a division of ACO Technologies plc and part of the worldwide ACO Group. 8, 13 and 44) to the floor drain design and NSF/ANSI 3-A 14159-1-2014. ACO StepDrain comes complete with a corrosion resistant 304 stainless steel Heelguard grating suitable for pedestrian traffic. ACO StepDrain drainage channel features a strong, 304 stainless steel grating which uses ACO’s innovative Heelguard technology. After removal of grates and ‘QuickLok’ bar there shall be uninterrupted access to the trench to aid maintenance. Simple, environmentally friendly grease management with ACO Mobile. ACO grating selection guide Shower designer Grease separator planner Oil separator planner Layout of wastewater lifting plants Layout of pump station. ACO StepDrain Doorway Threshold Drainage System available in two sizes is a high quality unobtrusive level threshold drainage system which eliminates water ponding at house. About ACO. Material: Stainless steel, material grade 304. £77. $890$1,042. 77. For fully watertight joints, use a suitable sealant (contact aco for further advice). Northeast Sales Office 9470 Pinecone Drive Mentor, OH 44060 Tel: (440) 639-7230 Toll free: (800) 543-4764 Fax: (440) 639-7235 ACO DrainLok™ is a patented, boltless locking system that removes the need for bolts and bars and improves the hydraulic capacity of. Suitable for pedestrian and light vehicle traffic applications. HygieneFirst. The surface drainage system shall be ACO Drain Brickslot, as manufactured by ACO, Inc. Available in 304 or 316L grades of stainless steel. ACO hygienic drainage uses stainless steel floor drains to fulfil the strongest hygienic requirements to prevent bacterial contamination. 5. Подът на банята е изцяло покрит с плочки, плосък и без наклон, докато при душ зоната, плочките са с. im new here and inexperienced in building matters. When creating or refurbishing a garden, patio, or other landscape, the importance of effective drainage must not be forgotten. 36 Ex VAT £119. The ACO Pipe systems offers: Available sizes: 6. The ACO Drain product line is segmented into different product types depending on use: 1. The dimensions of ACO box and slot channels for concrete, tiles and resin floor can be tailored in cooperation with our technical support team, or using any of the available drainage customization tools. 4 Side elevationACO KerbDrain™ conforms to DIN 19580 Load Class D. 2” overlap). FlowDrain Line FG200 - 8" internal width, 9 ft long fiberglass channels ACO DRAIN FG200 Parts table Part No. 84. K300 has a galvanized steel edge rail for general use. Please follow us on Facebook, LinkedIn, and Instagram. 00 incl VAT. 00 £240. Closing/Outlet caps can be cut down to suit all channels. HexaLine. ACO, Inc. ACO Canada is an active user of social media. Install turf and pull tight towards the channel (approx. Adequate height difference of 4. The system is available in two sizes (940mm and 1088mm) making it ideal for almost any door size. Set an ACO drain with complete confidence using this step by step guide. was founded in Ohio, 1978. The Drainlock gratings of the ACO DRAIN® Multiline system offer a wide range of covers in many shapes, colours and materials – made of. ACO Drain Standard Products 2022 Price List info@acousa. Threshold drainage usually involves a linear channel drain , with slot. More information. 2. Mentor, OH 44060. A strong brand around the world. find out more. KlassikDrain is sold as channel only. The system is available in two sizes (940mm and. Manufactured from galvanised and stainless steel, ACO StepDrain eliminates water. This product is suitable for use in Building Regulations Part M compliant installations in England and Wales and Building Standards Section 4. Contact. or equal approved. VISUALIZE. 1. aCo raindrain® accessories closing endcap Sump unit Horizontal foul drain union air-trap outlet endcap Step 3. Tested and certified according to EN 1253 and EN 1443. Lowest price in 30 days. ACO Utility Duct Modular polymer ducting system with lockable covers. Super Customer Service. 2. SlabDrain. Surface: Grinded: ideal complement for ACO ShowerDrain S+, B, C. Inverts shown are for the male end; for female invert depth subtract 5mm (0. The first thing to do is excavate a trench area at the installation site that matches the depth and width of your ACO drain and accommodates the channel and the bed. Semi-standard and customised products. A strong brand around the world. ACO Drain ® systems consist of factory manufactured modular channel units made from corrosion resistant Polycrete ® channels, together with grates from a variety of materials for all loading applications. ACO India. Using your string, mark the line along the trench that will show the finished level of the grate. ACO Specification Information Plan view Description Part No. 98"D. 75 incl VAT. Download the ACO Drain brochures of various modular, commercial-grade, grated trench drain systems, including KlassikDrain, Brickslot etc. ACO stands for professional drainage, efficient cleaning, and the controlled discharge or reuse of water. £1. 62" Streamline N-580-62FSWH-FM Soaking Freestanding Tub With Internal Drain by Streamline (3) SALE. Removal of organic deposits (fats, proteins, saccharides and polysaccharides) - Steam. An ACO is a group of health care physicians and clinicians who agree to share responsibility for the quality, cost, and coordination of care with aligned incentives for a defined population of. Mark your line. For light duty pedestrian applications, pavers can be set on sand. ACO S Range is a surface water drainage channel drain system from world-famous brand ACO for application in heavy duty areas like docks, ports and aircraft pavements. We tackle all the building drainage biggest concerns. Modular concept allows specification of standard channel units to suit a variety of custom layouts. ACO as a leader in development and manufacturing of stainless steel drainage, in cooperation with building companies, has developed a comprehensive installation guideline document, which helps installers with installation related issues. Brick pavers fit directly against the slot. West Office Toll Free: 888-490-9552 825 W. Подът на банята е изцяло покрит с плочки, плосък и без. This reliable and robust concrete fabric mesh by ROM is ideal for security on building projects. ACO S200K Ductile Iron Slotted Grate. Products are manufactured from corrosion resistant, authentic stainless steel grades 304 or 316. was founded in Ohio, 1978. System Layout. KlassikDrain is sold as channel only. These pipes are compatible with ACO's FloorDrain and Stainless steel channel systems, and can be welded when required. Northeast Sales Office 9470 Pinecone Drive Mentor, OH 44060 Tel: (440) 639-7230 Toll free: (800) 543-4764 Fax: (440) 639-7235 West Sales Office 825 W. com West Tel: (888) 490-9552 East Tel: (800) 543-4764 FABRICATION CHARGES Prices are for labor costs only and do not include materials costs - see product MSRP. QuARTz by ACO shower channels allow the bathroom floor to take on a new dimension to become an integral part of the design. The gap between the garage floor slab and the Aco Drive Drain was paved using the tumbled concrete blocks laid on a full bed of a C20 strength semi-dry concrete. ACO, Inc. ACO develops intelligent and future-oriented system solutions which have a dual purpose: We see our local. It features squared ends to improve handling and safety. Casa Grande, AZ 85122 Tel: (520) 421-9988 Toll Free: (888) 490-9552 Fax: (520) 421-9899. 0,7 l/s with 10 mm build up. A safe non slip rubber mat with steel support grids sits. Read on for a further explanation of the materials. Installation instructions and guidelines Cleaning and maintenance of stainless steel drainage Stainless steel in swimming pools. ACO Aquaduct's division specializes in custom drainage solutions and offers products made from FRP (fiberglass reinforced plastic), stainless steel and other materials. The company has further locations in Phoenix, AZ, and Fort Mill, SC. It is a high quality steel reinforcement for cast concrete applications. 59 (142) outlet. Installation is quick and easy, ACO StepDrain simply slots in front of the door below the threshold. Find what you need in our surface water drainage systems range including: ACO, Ulma & Kompaq Drainage Systems. The surface drainage system shall be ACO DrainK100, KS100, H100-8, H100-10, H100K-8, H100KS-8, and NW100 channels* complete with ACO Type 478Q longitudinal ductile iron grate with ‘QuickLok’ locking as manufactured by ACO, Inc. The sump box shall be ACO Drain as manufactured by ACO, Inc. Add to cart. 4. Certified to BS EN 1433:2002 up to Load Class C 250. 5mm D50 AISI304 X140880 ACO Floor drain for tiles, depth forManufactured using recycled polypropylene, ACO HexDrain Pro is a high quality channel drainage system ideal for light to medium duty traffic applications. The ACO TramDrain 200 is a high capacity one-piece drainage system designed to provide efficient surface water drainage for combined tram and vehicular traffic running areas. ACO Technologies plc ACO operates as ACO Technologies plc in the United Kingdom. ACO DRAIN 6 3 When cutting channels and/or grates, gloves, protective eye wear and respirator or mask are recommended. Each channel comes complete with Heelguard black. duljina 990 i 1490 mm sa mogućnošću skraćivanja. 88" (708 mm) Overall length: 27. ACO, Inc. Mounting: Ready for installation. Material: Stainless steel, material grade 304. Hygienefirst. For full details of our distribution partners please contact our office at 877-226-4255, email us at info@acocan. Dimenzije. Price $39. Step 4: Assemble the components. The gap between paving or timber to be a minimum of 6mm. Korišćenjem rastegljivog materijala obezbeđen je visok nivo sigurnosti pri premošćivanju pukotina između kanala i okolnog. In total more than 4,000 people are employed inManufactured from extruded plastic and aluminium, ACO Threshold Drain eliminates water ponding at house entrances. 8. 2 Physical & Mechanical CharacteristicsACO Drain systems consist of manufactured modular trench channel units made from either corrosion resistant polymer concrete or fiberglass, together with grates from a variety of materials for all loading applications. ACO in the USA is a sales and marketing company with its own strong. ACO. 87 (200) Invert Spigot Ø Invert Spigot Ø Invert Spigot Ø 1. ACO Sport Systems are available with a 0. Step 1: Dig. The Aco Drive Drain system is a surface drain. The Environ drainage team install an ACO drain to combat signs of damp that have been found in a property in SW London. High-performing stainless steel drainage products are an essential part of all waste water management solutions. Manufactured using recycled polypropylene, the high strength 1m channel comes complete with Heelguard™ black composite gratings, fitted with ACO's Drainlock™ barless locking system. Meer info: offers functional solutions which are specially designed for flat roof areas and which ensure the water is drained effectively. Linear channel at doorway threshold. Upper surface: 12 mm, for use with or without glass shower wall. ACO's range of elegant and modern 'Complete the Look' gratings are available to provide choice and style. Dimenzije. Where paving meets a public highway or neighbouring property. Part Number - 97479. The ACO model was included in national health care reform legislation as one of several demonstration programs to be administered by the Centers for Medicare & Medicaid Services (CMS). 88 172 200 6. We get such conflicting views from the builders. They are suitable. We apply hygienic design principles. co. ACO Sport Systems offer an easier insulation with its radius channels which cover the ‘D’ areas of a track. Grates are locked with easy to use boltless mechanisms. The nominal clear opening for Brickslot is ½” (12 mm) with overall width of 4. Grate option. Specifications. For bigger surfaces, siphonic systems can be installed. Selecting a drain from the range is easy. TheACO Threshold Drain channel and corner unit in CorTen finish are brand new to the ACO range. Ensure this is accurate and, as with the line of the channel drain, ensure any debris has been. With CorTen patina finish being used more and more in landscape. we care for water. ACO Showerstep: дизайнерски преход за наклон Дизайнерският преход ACO Shower-Step е предназначен за монтаж при разлика в наклона на душ зоната. Manufactured from 16 gauge grade 304 stainless steel; Premium includes 7 standard lengths, 7 unique finishes, 10 grate patterns, 5 channel options and accessories. Made from galvanised stainless steel, providing a long lasting result on residential applications. Our strip drains are the perfect drainage solution for all outdoor areas, providing superior performance and sleek aesthetics in one comprehensive package. 1. The system is available in two sizes (940mm and 1088mm) making it ideal for almost any door size. ACO Drain consists of cast polymer concrete bodies with either. ACO, Inc. New floor gullies from ACO combine fire and smoke protection. ACO Hygienic Gully - Telescopic Gully Manual. DL055 PowerDrain Brochure ENGLISH. Length: 990 and 1490 mm, which can be shortened on site. The products offer the same quality and design excellence as ACO’s commercial products but are designed to meet the demands and budget of the residential customer. Reviews. ACO StepDrain trapp on kitsas lävepaku äravool atraktiivse ja kvaliteetse viimistlusega. These files will help contractors specify and optimise drainage systems in line with the overall benefits of BIM-enabled working, including faster project delivery, reduced costs, reduced waste and greater project predictability. Add to basket. Length: 1088mm Width: 53mm Depth: 159mm Invert: 150mm Weight: 10. Southeast Sales Office Follow us on 4211 Pleasant Road Fort Mill, SC 29708 Toll free: (800) 543-4764 ACO DRAIN PowerDrain - S100K iron edged channelsgrating, ACO StepDrain offers you unobtrusive, Part M compliant drainage around building entrances. lay channels starting from outlet/sump, ensuring joints connect by lowering units horizontally. Install channel exactly as any other ACO Sport open channel (pages 4-10) and allow surround to set. ACO STEPDRAIN INSTALLATION ACO Technologies plc ACO Business Park, Hitchin Road, Shefford, Bedfordshire SG17 5TE Tel: 01462 816666 Fax: 01462 815895 e-mail: technologies@aco. A similar "Soldier course" of tumbled blocks was laid to the drive-side of the channel. com West el (888) 490-9552 ast el (800) 543-4764 2 DrainLok K100/KS100 Grates Length in (mm) Part No. Channel weights are for fiberglass body only. MultiDrain M100D channels can be installed with three different invert types, Constant Depth, Sloping Invert or Stepped Invert.