Riw waterproofing. The team at CCL have been keeping busy recently through the execution of various projects, including the installation of an RIW Ltd Cavity Drain. Riw waterproofing

 
 The team at CCL have been keeping busy recently through the execution of various projects, including the installation of an RIW Ltd Cavity DrainRiw waterproofing  Structural Waterproofing

Typical installations include floor waterproofing, retaining walls and similar uncluttered surfaces. The team at CCL have been keeping busy recently through the execution of various projects, including the installation of an RIW Ltd Cavity Drain. Technical number: 01753 944200. RIW work closely with a nationwide network of Specialist Waterproofing Contractors, who are experienced installers of our structural waterproofing systems. RIW has a broad range of high performance structural waterproofing products. British Standard BS 8102, the Code of Practice for waterproofing of below ground structures has recently been updated to reflect new practices. General purpose, solvent-based. Sheetseal 226 is typically used as a basement tanking system, or as a ground floor damp proof membrane; particularly where large unobstructed areas are to be waterproofed. uk for data sheets, typical drawings and more. BSc (Hons) Civil Engineer Qualified Technical Advisor at RIW Ltd 4mowaterproofing details may have other impacts on the structure and these impacts must be assessed and understood by the design team or appointed designer. RIW is a renowned provider of a diverse array of waterproofing systems for above, below and ground level applications. POA. RIW produce a range of ancillary products for use with Flexiseal Pro which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. RIW Limited 487 / 488 Ipswich Road Slough SL1 4EP. Structureseal is a bentonite clay sheet waterproofing composite, comprising high swelling sodium bentonite encapsulated between a non-woven and woven geotextile. The coating is a fibre and mineral filled solution of natural and petroleum bitumens in white spirit. RIW in the UK has over 90 years experience in structural waterproofing. RIW FLEXISEAL 500 HG system is poured onto the substrate and spread using a trowel and / or brush. RIW has a broad range of high performance structural waterproofing products. Double Drain can be used. waterproofing material’ (2004. Download our full whitepaper to. APPLICATION Top Edging Strip is tough but pliable, even in lowA range of waterproof polymers, modified cement based coatings and repair mortars that can resist up to 100m head of negative water pressure. Technical. Home / Technical downloads / Data Sheets. Products. Applying Damp Proof Membranes. Environmentally friendly. RIW has been a generic term for waterproofing solutions for over 90 years; our name even stands for ‘Remember It’s Waterproof’ from an old ad slogan in 1921. Touch-Dry in 6 Hours, Fully Dry in 24 Hours. Complies with latest codes of practice as published by CIRIA and BRE. Fully compatible with RIW waterproofing systems. Generally, the loose laid systems are sealed with a range of double sided tapes or seam welded, complying with the latest codes of practice as published by BS 8485: 2015, CIRIA & BRE. Tilesure is a heavy-duty self-adhesive waterproofing and decoupling membrane designed for use onto timber and solid floors. We operate right across London and South East of England and have in excess of 40 years of industry experience. Touch-Dry in 6 Hours, Fully Dry in 24 Hours. positive or negative side) Permanently waterproofs concrete. Flexiseal Pro Primer is a two-pack solvent free black liquid modified epoxide surface conditioner that can be applied to damp surfaces. 99Inc Vat. Totally waterproof. May 2014. Suitable for the damp proofing of interior masonry wall surfaces. Easily added directly to ready-mix truck or at batch plant. co. RIW can support with attendance at design meetings, project specific detailing, construction drawings and project delivery protocol. Waterproofing by Application. The products must be installed in accordance with RIW written instructions, and following installation must not be. We understand that not every waterproofing project is the same,. BITUTHENE® is the most trusted post-applied waterproofing membranes. British Standard BS 8102, the Code of Practice for waterproofing of below ground structures has recently been updated to reflect new practices. waterproofing paint. 27 Per L RIW Liquid Asphalt Composition 25L £274. Cementfill FC. Distributor: RIW Ltd. waterproofing paint. Seamless and fully bonded. of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance to architects, engineers and contractors. Home Shop Waterproofing Membranes & Waterstops Bentonite Sheet Membranes RIW Sealing Compound. The product prevents water ingress to basements, or other below. RIW MultiJoint has been designed for use in all types of construction gaps and movement joints to provide a waterproofing system between the structural elements. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. Find out how these systems prevent. Case Study: MET Office Data Centre In 2016 our team used their specialist skills to help waterproof the MET office Data Centre. Totally waterproof. RIW CEMENTSEAL Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. View more info. Discover more: #. GET A QUOTE. Technical. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. uk; Sales. At. 1. Waterproofing Contractors in Vancouver, BC. RIW provided a waterproofing strategy robust enough for their new build Grade 3 basement project. Waterproofing a movement joint, especially in an elevated concrete deck is never easy, but RIW have some some golden rules. £ 28. 4 l Specification Guide to RIW Waterproofing Systems Technical Expertise How to Specify Waterproofing RIW has been a generic term for waterproofing products for over 90 years; our name even stands for ‘Remember It’s Waterproof’, taken from an old ad slogan in 1921. Effective against hydrostatic pressure up to 140 m of head. Please call the Sales line for more information on 01753 944210. RIW manufacturer products such as the RIW Cementseal, a waterproof coating that is available to purchase from our site in 15kg. Ardex DPM 1 C Rapid 6kg. co. Ensuring waterproofing solutions are successful is all about getting it right at the critical detailing stage. RIW offers a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance to architects and. It will take under 30 minutes, and we'll send you a certificate upon completion. Protects concrete and reinforcement from harsh. RIW has a broad range of high performance structural waterproofing. General purpose, solvent-based. The RIW range encompasses Type A products through to cavity drain and epoxy coatings. When designing Type A structures (as classified in BS 8102:2009), the system installed correctly is capable of providing the levels of. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Seamless and fully bonded l Applied to damp surfaces l Abrasion and impact resistant l. For over 40 years, Premcrete has been relied upon by the major groundworks contractors to supply waterproofing, gas protection, concrete repairs, technical grouts and joint sealant products. RIW, Arc House, Terrace Road South, Binfield, Berkshire G42 4PZ Call Technical: 01753 944200, Call Sales: 01753 944210. Applied to damp surfaces. Resbuild DPM Grey 1kg. Take a look at how we have been able to adapt over the years but remain the name you can always depend on!Heviseal. RIW in the UK has over 90 years experience in structural waterproofing. Our Online CPD is based on instructional text, drawings and photos. Take a look at how we have been able to adapt over the years but remain the name you can always depend on!This week RIW take a look at the top waterproofing strategies for retaining concrete walls constructed off-site. 05m. Home / Lift Pit. Waterproofing Structural Shotcrete Without A Membrane. RIW Structureseal is a bentonite sheet waterproofing composite of high swelling Sodium Bentonite encapsulated between a non-woven and woven geotextile. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are. , The products must be installed in accordance with RIW written instructions, and following installation must not be subjected to any damage or long. LAC ® is typically used on structures below ground level, and as a damp proof membrane to ground floors. RIW Protection Board is a flat sheet, made of organic fibres saturated with bitumen. Features & Benefits of Sheetseal 9000 DPC. 64. Sheet. £14. the latest RIW Product Literature. New practices have been incorporated into British Standard BS 8102, the Code of Practice for waterproofing below ground structures. Data Sheets | Technical Downloads | RIW. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. BITUTHENE® is the most trusted post-applied waterproofing membranes. RIW has over 90 years experience in structural waterproofing within the UK. Protects concrete and reinforcement from harsh. See BBB rating, reviews, complaints, request a quote & more. Suitable as a damp proof membrane on solid concrete floors. By Martin Radford, Business Manager at RIW Ltd. #riw #waterproofing. 4 l Specification Guide to RIW Waterproofing Systems Technical Expertise How to Specify Waterproofing RIW has been a generic term for waterproofing products for over 90 years; our name even stands for ‘Remember It’s Waterproof’, taken from an old ad slogan in 1921. RIW has been delivering reliable waterproofing solutions for 100 years. Sheetseal 226 is typically used to provide a water and water vapour barrier in all forms of construction, particularly where large unobstructed areas are to be treated. The product is designed to relieve hydrostatic pressure, by promoting the flow of ground water away from the face of the structure to land drainage. RIW has a broad range of high performance structural waterproofing products. RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. RIW CEMENTSEAL Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. RIW Sheetseal Primer 5L. British Standard BS 8102, the Code of Practice for waterproofing of below ground structures has been updated. About Us; Products +. Read full description. About Us;. Got a Technical query? Click here to get a callback. Kryton Concrete Waterproofing. 10. Provides a hard wearing, protective layer on wood, metal and cement. FEATURES & BENEFITS of DPM Red. The products must be installed in accordance with RIW written instructions, and following installation must not be. Ask the experts at RIW for advice on a simple solution to waterproofing lift pits. Martin Radford posted images on LinkedInRIW work closely with a nationwide network of Specialist Waterproofing Contractors, who are experienced installers of our structural waterproofing systems. RIW 124783 Sheetseal 226 Tanking 1. Structureseal is a bentonite clay sheet waterproofing composite, comprising high swelling sodium bentonite encapsulated between a non-woven and woven geotextile. Learn about the range of cold applied liquid waterproofing coatings from RIW Products, a leading manufacturer of waterproofing systems. Products can also be ordered through other Builders Merchants, such as Travis Perkins, Jewson, Gibbs and Dandy or Keyline. Double Drain can also be used to provide excellent. Kryton Concrete Waterproofing. Technical number: 01753 944200. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level,. For over 40 years, Premcrete has been relied upon by the major groundworks contractors to supply waterproofing, gas protection, concrete repairs, technical grouts and joint sealant products. Description. Resistant. Download the data sheet to learn more about its features, benefits, technical specifications, and installation. qualified designer of waterproofing and gas proofing systems 2y Report this post Aiden Quinn Key Account Manager Pudlo - North. RIW Meaning. Sales number: 01753 944210. Structural shotcrete is becoming a preferred concreting method in foundation construction, building tanks, parking garages and many other structures because it’s up to 50% faster than conventional cast in place. Cementfill FC. Technical number: 01753 944200. -- Choose an option -- Waterproofing above ground level. co. We have over 20 years of experience and take pride in the quality of our work and the satisfaction of our customers. When designing Type A structures (as classified in BS8102:2009), the product applied correctly, is capable of providing the levels of protection required for Grades 1, 2 & 3. British Standard BS 8102, the Code of Practice for waterproofing of below ground structures has been updated to reflect new practices. RIW has a broad range of high performance structural waterproofing products. Sales number: 01753 944210. RIW has been delivering reliable waterproofing solutions for 100 years! During this time, we have worked on some incredible projects from The National Exhibition Centre Birmingham in 1975 to. Are you looking for a comprehensive and up-to-date guide for specifiers of liquid roofing and waterproofing systems? If so, you should check out the Specifiers Guide 2020 from the Liquid Roofing and Waterproofing Association (LRWA). button. RIW has been delivering reliable waterproofing solutions for 100 years. It is also suitable for waterproofing foundation walls, ducts, lintels, columns, beams and similar structures at, above and below ground level. Retaining walls can be external walls forming part of the landscape design, or walls that form part of a property. (£5. RIW LTD 580 / 581 Ipswich Road, Slough, Berkshire, SL1 4EQ, UK T: +44 (0) 1753 944200 E: technical@riw. 99 Per L Out of stock 2 Items Found Show: RIW has the waterproofing solution for any project, find. RIW Cementfill HB. Radon is a naturally occurring radioactive gas that is found within certain areas of the country and maps are available in BRE Digest 211 ; RADON. RIW Ltd 612 followers 9mo. We manufacture the full scope of Structural. Founded in 1848, and still family owned and run, we are the oldest and the largest independent designers and suppliers of guaranteed basement waterproofing systems in the country. We understand that not every waterproofing project is the same, that’s why we provide tailored project support throughout the specification and installation. Previous. About Us; Products +. Read our whitepaper to… RIW Ltd on LinkedIn: #waterproofing #. Request Callback; 01753 944200; technical@riw. Technical number: 01753 944200. RIW takes care of your waterproofing strategy from start to finish, including technical advice and guidance, preparation of sectional details. We have been consulted on virtually every application you can think of, so if you're looking for something specific, please contact us on 01344 397777. These include Kryton’s crystalline admixtures, such as Krystol Internal Membrane™ and Krystol Mortar Admixture™, and Kryton’s Hard-Cem ® and Con-Fume ® admixtures. Waterproofing by Application. Specification Guide: RIW WATERPROOFING SYSTEMS May 2014 4 l Specification Guide to RIW Waterproofing Systems Specification Guide to RIW Waterproofing Systems l 5 How to Specify Waterproofing Technical Expertise RIW has been a generic term for waterproofing products for over 90 years; our name even stands for ‘Remember It’s. Customer Sales 01753 944210. When designing Type A structures ( as classified in BS 8102:1990), the product. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. RIW 124783 Sheetseal 226 Tanking 1. BS 8102 was last revised in 2009 and since then there have been advances in waterproofing, including new technologies and systems as well as enhanced best… RIW Ltd on LinkedIn: #waterproofing #. It is suitable for various substrates and applications, such as concrete, steel, brickwork, and marine structures. Sales number: 01753 944210. Typically used to provide a protective coating to concrete or steel superstructures or other structures, such as retaining walls, and plinths when the membrane is to be left. About Us; Products + Browse by application. Warranty description . e. CSSW qualified designer of waterproofing and gas proofing systems 1y Report this post Report Report. RIW CEMENTFLEX Cementflex is a two component, polymer modified, flexible, cement based, waterproof coating for concrete and masonry. . Compare this product to another (up to 4 items)Description:Sika® 1 Pre-Bagged Structural Waterproofing System mortars are pre-bagged kiln dried blends of specially graded aggregates and cements packaged in 4 grades at the appropriate mix ratios for optimum application performance and durability. Sales number: 01753. Quick and easy to install. All you need to do is answer a few basic application questions and we'll do the rest. was founded in response to a customer demand for excellence, personal attention, and competitive pricing. RIW Limited 487 / 488 Ipswich Road Slough SL1 4EP. Good tensile strength. Sodium Bentonite Systems. RIW has a broad range of high performance structural waterproofing products. RIW offers a range of products and services for waterproofing below ground structures, such as basement tanking, waterproofing membranes, damp proof membranes and gas proofing. 4 Waterproofing of Basements and other Below Ground Structures is having an interesting impact on structural waterproofing as a discipline, which I feel is worthy of discussion. uk; Sales. Technical number: 01753 944200 Sales number: 01753 944210 In 2021, we became an accredited installer with The Air Barrier Association of America. Find the right product for your specific project requirements in a few simple steps with our easy to use product finder. waterproofing paint. Touch-Dry in 6 Hours, Fully Dry in 24 Hours. Revision date: 14/07/2020 Revision: 3 Acrypol + Colours Precautionary statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. When designing Type A structures (as classified in BS8102:2009), the product applied correctly, is. Next. When designing Type A structures (as classified in UK BS8102:2009), the product applied. Have a look at Servicised and RIW waterproofing systems - there is some good info there concerning the general principles and reference to the relevant British Standard. It is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer . . General purpose, solvent-based. Its effectiveness has been proven time and again in countless projects. The board is resistant to water, ground salts and most corrosive chemicals. Please call the Sales line for more information on 01753 944210. For more information on the best waterproofing products for your basement project, get in touch with our technical team on 01753 944200. Flexiseal Pro is a two-pack solvent free polymer modified epoxide coating which cures to give a continuous tough but flexible waterproof coating. co. The coating is a fibre and mineral filled solution of natural and petroleum bitumens in white spirit. co. Krystol Internal Membrane (KIM) is a hydrophilic crystalline admixture used to create permanently waterproof concrete. Toughseal can be used to provide a water and water vapour barrier behind tiles, render or beneath thin levelling screeds. Specification Guide: RIW WATERPROOFING SYSTEMS May 2014 4 l Specification Guide to RIW Waterproofing Systems Technical Expertise How to Specify Waterproofing RIW has been…Tunnels, metro stations and infrastructure products. . Its effectiveness has been proven time and again in countless projects. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing. It has been developed for use prior to the fixing of ceramic tiles and natural stone, applied using a flexible rapid-set tile adhesive, which keys to the mesh. The Code of Practice for waterproofing of below ground structures, British Standard BS 8102, has been updated to incorporate current practices and new… RIW Ltd on LinkedIn: #waterproofing #. Technical number: 01753 944200. Read our new whitepaper to… RIW Ltd on LinkedIn: #. Since RIW was founded 100 years ago, we have worked on some of the most complex and challenging projects in the UK. Technical Hotline 01753 944200. Easily added directly to ready-mix truck or at batch plant. Find the right waterproofing product for your specific project requirements in a few simple steps with our easy to use product finder. Visit us at riw. Discover the latest requirements for…RIW Sheetseal 226 is a high-quality product for waterproofing and damp-proofing applications. 80/Ltr)RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. POA. About Us; Products + Browse by application. The product can also be used to protect retaining wall structures. e. £275. VAT) £229. Find a suitable external tanking waterproofing solution for this or any application below: Download Data Sheets Find your local stockist. Resists up to 100m head of positive and negative water pressure. Effective against hydrostatic pressure up to 140 m of head. • Coverage per coat (minimum): 8 sqm/litre. RIW Tilesafe Reinforcing Tape A 1mm thick self-adhesive tape for reinforcing all wall and floor junctions, butt joints and other detail work in the membrane. Flexiseal Pro is used where a high performance tanking, damp proof membrane or containment system is required. Got a Technical query? Click here to get a callback. CPD 10 2020: Daylight design for commercial buildings using structural glazing. Its robust waterproofing properties, combined with its ease of application, results in a contractor-friendly product that adds. Sheet. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. Case Study: MET Office Data Centre In 2016 our team used their specialist skills to help waterproof the MET office Data Centre. Excellent tensile adhesion to substrate. RIW has been delivering reliable waterproofing solutions for 100 years! Take a look at look at some of the projects we worked on back in the 60s and '70s. Contact us: 01344 397777 technical@riw. All our gas proofing products. RIW Sheetseal GR is a radon gas barrier and one of the most effective gas methane barrier systems available. All waterproofing details shown herein must receive approval from the design team or appointed designer before implementation on site, these waterproofing details may have other impacts on the structure and these impacts must be assessed and understood by the design team or appointed designer. RIW Limited 487 / 488 Ipswich Road Slough SL1 4EP. RIW Ltd’s Post RIW Ltd 600 followers 5moDescriptionLiquid Asphaltic Composition is a two coat, cold applied damp proof membrane, which dries to a uniform gloss black finish. Features & Benefits of Sheetseal 9000 DPC. Technical number: 01753 944200. Choose either an online or in-person session covering waterproofing at or…RIW has a wealth of knowledge and experience in waterproofing solutions. It features a two coat system which dries to form a glossy black finish, is flexible and easily applied to adapt around difficult areas. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. 1. Premcrete supplies innovative groundwork solutions for major Construction and Infrastructure projects. Tilesure is the new name for RIW Tilesafe. You may withdraw your consent at any time by clicking this link. Structureseal GPT is a 1. We understand that not every waterproofing project is the same,. Sales number: 01753 944210. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Seamless and fully bonded l Applied to damp surfaces l Abrasion and impact resistant l Quick and easy to apply by hand or. From basement tanking, podium decking, raised access floors and plant rooms to lift pits and movement joints – RIW provides the best design advice on your waterproofing strategy. The products flexibility and workability provides an efficient method of. Key FeaturesWater and water vapour barrierRandon barrierFlexibleEasy to applySulphate resistantIdeal for ground floors, super structures,. (£5. |. It is designed to be used on various surfaces, including concrete, masonry, steel and insulation boards / ICF systems. The RIW. Contact Us. Cementflex is a two component, polymer modified, flexible, cement based, waterproof coating for concrete and masonry. Structural Waterproofing. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. Sheetseal 9000 DPC flexibility and workability. RIW Ltd has over 90 years' experience of supplying liquid waterproofing solutions and now incorporates a wide range of waterproofing solutions for applications above-, below- and at-ground level. RIW offers a range of products and services for waterproofing below ground structures, such as basement tanking, waterproofing membranes, damp proof membranes and. Customer Sales 01753 944210. 68 (inc. 618 followers. It dries to form a uniform UV resistant and waterproof coating. We are proud to have installed these products onto some of the most prestigious projects in the UK. Sales number: 01753 944210. Is your waterproofing knowledge up to date? It's your last chance to take advantage of our new CPD with @BuildingMagazine. £ 0. The British brand has been coming up with expert waterproofing solutions for architects, engineers and builders for almost a century. Sales number: 01753 944210. co. RIW has a broad range of high performance structural waterproofing. 12. By Martin Radford, Business Manager at RIW Ltd. This guide covers the key aspects of design, specification, installation and maintenance of various types of liquid systems,. View. RIW (Remember It's Waterproof) have almost a century of experience in waterproofing solutions for above, below and at ground level. This button displays the currently selected search type. From sheet applied systems to structural drainage, sodium bentonite systems to. RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. Technical number: 01753 944200. When expanded it provides a list of search options that will switch the search inputs to match the. The RIW product range has expanded and evolved over the years, to suit the ever changing needs of our customer’s projects. RIW Toughseal is a polymer-modified epoxide coating, which is free from solvents. Suitable for brush application only. There is no substitution for experience. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. RIW has over 90 years of experience and provides technical advice, site support and CPDs for structural waterproofing projects. Find the right waterproofing product for your specific project requirements in a few simple steps with our easy to use product finder. Waterproofing above ground level;. Self-seals hairline cracks up to 0. BBB accredited since 5/17/2022. Seal together using 50 x 5mm bead of RIW Sealing Compound, in centre of lap. Pre-applied Tanking System A ‘needle-punch’ process interlocks the geotextiles together through the bentonite, forming an extremely strong composite that maintains a consistent. Discover the latest requirements on waterproofing…RIW. RIW are a leading waterproofing and damp proofing product supplier. RIW Ltd 612 followers 9mo. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. About Us;. RIW has been known for effective waterproofing solutions for a century; the name even stands for ‘Remember It’s Waterproof’, from an ad slogan in 1921. As building capabilities are evolving, timber’s popularity is set to rise. . What does RIW mean as an abbreviation? 32 popular meanings of RIW abbreviation: 50 Categories.