[email protected] portfolio includes a premium range of reinforced polymer modified bituminous waterproofing membranes, single-ply membranes, hot-melt structural waterproofing, cold applied liquid coatings, green roof solutions, stormwater management and a full range of complementary accessories such as building services supports and guardrail edge. Aluminium Downpipes and Hoppers. Alumasc 113mm Apex Heritage Cast Iron Half Round Beaded Gutter 135 Degree Angle External. Kerbdrain. It is crafted from lightweight and robust aluminium and has a life expectancy of up to 25 years. 590 følgere på LinkedIn. View options. Aqualine Extruded Aluminium Gutter Manufacturers. Alumasc Heritage Circular Aluminium Pipes are available in 4 pipe diameters and 3 pipe lengths, together with a complete range of fittings. Provides A Non-Freezing External Water Source. Learn more at Alumasc Water Management Solutions. Read Case Study. DRAINAGE CALCULATORS. AX gutters are available in 3 profiles now with the new SnapFix design in a choice of sizes ideal for where a high capacity gutter system is required. Contact us for further support. Request a QuoteLinear Drainage. To learn more about CPD seminars, Micro drainage or to use the Alumasc Drainage Calculator, click here. Available is a range of profiles, generally with in-built falls towards the outlet. Alumasc Drainage Calculators comprise a series of tools to calculate the sizes of Harmer SML pipework. Existing warm roof. £61. This will calculate capacities for an eaves gutter to BSEN 12056 Part 3. Robust and long lasting (25- 40 years), lighter than cast iron although made in its image, and is thicker than extruded aluminium or steel. A 1. Company registration number 02992960 - VAT number GB 395 9417 96. 0 rating. User of MicroDrainage benefit from a user-friendly interface, auto-design and optimisation as well. The new clubhouse of the Machrihanish Golf Course has had its water management upgraded thanks to the installation of two Alumasc Rainwater products: Aqualine Box Extruded Aluminium Gutter and Flushjoint Aluminium downpipes The golf course, founded in 1876, recently had its clubhouse rebuilt after a fire in December 2018 destroyed the. 66. Aluminium Gutter Systems. Manufactured by Alumasc in a range of BBA approved powder coated finishes: Textured black in 24hrs. Alumasc’s Skyline and Rainwater products are available in plain mill finish or polyester powder coated. Click here ️ to log in 🔒 The Alumasc Water Management Solutions' Calculator allows Architects, Specifiers and Engineers to design and quantify all the Drainage. Hargreaves Soil and Drain. Larger pipes like 3 inches can accommodate 30-60 GPM, and 4-inch pipes can handle 50-80 GPM. Downloads. For the gutter calculator click here. GBX 162. Steel Rainwater. An eco-friendly and sustainable drainage system, being 100% recyclable and having a positive effect on the environment during breakdown. Alumasc Drainage Calculators comprise a. To learn more about CPD seminars, Micro drainage or to use the Alumasc Drainage. Access Covers. All above and below ground horizontal drainage pipes should be laid to an adequate gradient. Rainwater. There are two options of Rainwater steel gutters available to purchase. AWMS. Estimate. The Skyline Soffit plank is a secret fix. Can provide an all aluminium eaves/soffit solution. Read Case Study. 5) Uniclass CI/SfB G581 DRAINAGE SYSTEMS. The standard aluminium RAL colour range includes 29 colours to choose from. Harmer Building Drainage manages water inside and outside the building. Grease / Sediment. Alumasc Rainwater is the UK's market leader of Aluminium, Cast Iron and Steel gutters and downpipes. Hargreaves Rainwater Heads, made from Cast Iron, are available in a range of both Standard and Ornamental heads. UltraSlot is used in external concrete areas which are subject to constant traffic, such as airports & ports. 35. . Free next day delivery on Rainwater Hoppers & Metal Guttering from Rainclear Systems drainage supplier. Harmer Building Drainage manages water inside and outside the building. The Alumasc Rainwater website provides a wealth of information on all aspects of rainwater solutions, including gutters, downpipes and associated fittings. Drains and Aluminium and ABS Shower Drains, enabling flexible. Share Price. Enter your Town / City or Postcode to find a supplier or stockist by distance or by their location on a map. £8. Wade supplies a good range of stainless steel channel options, for different profiles. BIM, CAD and NBS. Proud to supplying Wade Linear Channel drainage on the new Everton Stadium. Harmer Roof Drainage Roof Outlets, Roof Channel Drains and Raised Deck Supports wealth of information on all aspects of Harmer Drainage and compatible products. Overview. . Its systems allow designers, contractors and clients to realise the design, performance and installation benefits of fully integrated drainage solutions. Gatic. Alumasc websites provide details of the company’s full. It offers an exceptional combination of properties such as incombustibility, superior compressive strength, guaranteed water- and vapour tightness and long lasting thermal insulation performance. Gatic manufactures and supplies bespoke, scalable slot drainage channel systems for surface water drainage. ‘Seamless cohesion’ achieved for London’s V & A Museum with Wade Drainage and Alumasc Roofing Systems. Description. Alumasc technical support for the Alumasc WMS includes: Design Support. Complete stainless-steel channels and floor drain systems, including bespoke capabilities, covering projects from small restaurant kitchens up to large scale food processing and manufacturing plants. Here at Roofgiant, all of our products. Now he is ready to take on a new role in the. Made from lightweight & durable aluminium. uk. Beaded Deep Run. For use in airports, docks and ports, industrial and commercial applications. Find out more at Alumasc Water Management Solutions. 78 inc VAT Was: £8. 4. Business Add to dashboard. Use our rainwater drainage calculator to calculate your property's flow requirements or ‘flow capacity’ of the. 'A Guide to Access Covers - Design &…Harmer Roof Drainage Roof Outlets, Roof Channel Drains and Raised Deck Supports May 2012 (52. Rainwater Victorian Ogee Agrement Certificate 86. Rainwater. , 8 feet. Alumasc BluRoof systems comprise a single source, fully warranted waterproofing and sustainable drainage solution designed to alleviate flood risk, or where ground-based attenuation systems are limited, by attenuating stormwater via controlled discharge over a 24-hour period at roof level. This house has four downspouts, one at each corner of the house, that equally drain the roof runoff. Our cold applied liquid roofing systems also form part of the Euroroof brand group and finally well respected Hydrotech provides unrivalled structural waterproofing solutions. Compact drain bodies are ideal to install in all types of solid and suspended floor. Available sealed or unsealed, circular or square and will a solid top or recessed top for. Gatic is proven in the most demanding industrial, commercial and residential projects. Case study. Report this post Report Report. We are delighted to introduce two new members of staff to the Alumasc team - Adam Foley and Jordan Wilkinson. Bell Mouth Soild Plate. Dainage Design Calculator Architects and Building Services Engineers can now design and quantify all their Rainwater Drainage requirements using s dedicated design software. The Fullflow system allows architects, consultants and contractors. Vertical ABS Shower Drain - CVS/AS/T15 Please click here to contact technical support Vertical ABS Shower Drain - CVS/AS/T20🚀 It's launch day! 🚀 Our new Alumasc Water Management Solutions Drainage Online Calculator is available now! This provides a platform for our customers to calculate their drainage. Drainage Calculator, Internal Rainwater Calculator, Roof Outlet Calculator, and Gutter Calculator. Accessories. A bespoke Gatic CastSlot system was installed as part of the redevelopment of the riverside stand for Craven Cottage, home to Fulham FC. Architects, Engineers, and other users of this software must satisfy themselves in respect of the adequacy of the design Alumasc cannot be liable for any design undertaken using this software. Grow operating margins through new product introductions, improving customer service and operational efficiency. The newly upgraded Online Calculator is an innovative digital platform encompassing four Alumasc brands: Rainwater, Harmer. We have an extensive portfolio of successful past solutions in situations where a bespoke rainwater drainage design was the only answer. The system is designed to ensure sufficient depth of concrete cover over the main body of the channel to withstand ultra heavy-duty loads. O arquivo do instalador do programa é conhecido como Alumasc. . Harmer AV outlets are precision cast in aluminium silicon alloy LM6 to BSEN 1559:1997. Our AWMS July 2022 Trade Pricelist is here!Access our supporting technical downloads at Alumasc Water Management Solutions including BIM and CAD files. Use our rainwater drainage calculator to calculate your property's flow requirements or ‘flow capacity’ of the gutters you're considering purchasing. Learn more today at Alumasc Water Management Solutions. Copper & Zinc Gutters. Roof Outlets. 54. As for the thickness, it should be at least 12 i n 12 mathrm{in} 12 in (30 c m 30 mathrm{cm} 30 cm) to assure proper drainage, as you can learn at our french drain calculator. Speak to the experts. package includes 4 calculators : Foul Drainage Calculator , Internal Rainwater Calculator SWR Calculator The Alumasc Rainwater website provides a wealth of information on all aspects of rainwater solutions, including gutters, downpipes and associated fittings. AWMS International brings together all five brands for the international markets with focus on Gatic, Harmer & Wade in key markets including America, the Middle East and Europe. Alumasc Water Management Solutions Rainfall (l/s/m2) Step 2 - Enter Roof Details. Modulock. Made from 100% recyclable aluminium. Copper and Zinc guttering are the stylish and sustainable choice for both heritage and contemporary properties where you want to make a statement. 5″ or 2″. The standard range of colours are produced with a 30% gloss unless otherwise stated. Rainwater. Skyline Copings are equally suited to retrofit and new build projects. Fully compatible with Alumasc’s Skyline fascia/soffit system. Alumasc Water Management Solutions has launched a new, upgraded version of its popular online drainage calculator, which measures and specifies the drainage requirements based on user defined rainfall events. hide The service provides to you data about app markets: keywords and positions, reviews and reviewers, competitors and customer analytics. 5. Utility Programs for Drainage. 5 inches to 8 inches in diameter. Alumasc Water Management Solutions CPDs. Grease flushed down the drain can cause blockages and unpleasant smells in work areas. 5-inch pipe can handle 5-10 GPM, while a 2-inch pipe can handle 10-20 GPM. Drainage Calculator MicroDrainage Support Technical & Project Support NBS Specifications Request a sample Frequently Asked Questions. Drainage Software Informer. Channel & Grating for fire-fighting lift - stainless steel grade 304, (min. Here at Alumasc Water Management Solutions (AWMS), we have taken measures to make a positive impact and to become more conscious of the environment within the industry. 45 Harmer Technical Helpline 01536 383810 BIM available [email protected] gutter seamless aluminum roof types cost calculator antonio san rain roofing installed clean cleaning companies perfect slope systems company Top features of installing seamless alum. Harmer offers a variety of options for Roof Outlet fittings; Cast Iron Roof Outlets, Aluminium Detail Roof Outlets and Insulated Roof Outlets are among the options available to buy. Flowrate calculator/converter. Logged in as {[{ user. Height and length typically correspond to the wall's height and length. Download. Wade offers a comprehensive range of excellent floor gullies, gully gratings. Wilo Pumpen Intelligenz. The package includes 4 calculators: Foul Drainage Calculator, Internal Rainwater Calculator, Roof Outlet Calculator, and Gutter Calculator. Roof Outlet Calculator, and Gutter Calculator. Harmer Roof Drainage Roof Outlets, Roof Channel Drains and Raised Deck Supports May 2012 (52. Wembley Olympic Way, London - Stepping up to the challenge: Wade products. Single Branches. Cast iron, galvanised steel & aluminium hoppers. product images. Skyline. Copper and Zinc guttering are the stylish and sustainable choice for both heritage and contemporary properties where you want to make a statement. 33 ex VAT £145. paving or pebbles) 2. Stainless Steel Drainage. Options for rainwater and building. Add to Basket. Alumasc Rainwater, Harmer Drainage & Skyline: +44 (0)1536 383 810 Email: [email protected] here to check amazing Alumasc Drainage content. . The newly upgraded Online Calculator is an innovative digital platform encompassing four Alumasc brands: Rainwater, Harmer, Wade and Gatic, allowing users to design their entire rain-to-drain solutions across the building envelope from one place – making it much easier to use. e. The majority of the group’s business is in the area of. Our wide range of high-quality Fascia and Soffit Accessories will ensure your job is finished to the highest possible standard. The standard aluminium RAL colour range includes 29 colours to choose from. uk or on 01737 770970 for a free quotation and technical support. Report. Slotdrain’s unique hexagonal profile was developed by Gatic to ensure the system can handle varying. With more than 50 years' experience in the industry, Wade is established as a leading manufacturer of quality drainage products. Speak to the experts in Aluminium, Cast Iron & Steel Rainwater. Alicante Port, the well renowned commercial and cruise ship terminal has been upgraded to benefit from a Gatic Slotdrain high-capacity surface water drainage system. Alumasc Water Management Solutions. Company registration number 02992960 - VAT number GB 395 9417 96. Harmer ABS Shower Drains represent the perfect combination of plastic materials and good design brought together to provide practical function with efficient, low maintenance design. Access our supporting technical downloads at Alumasc Water Management Solutions including BIM and CAD files. Alumasc acheieve the mitigation of risk by selecting the right system, which is designed and installed by our supply chain partners who follow strict Alumasc training and QA procedures. The Company operates through three segments: Water Management, Building Envelope and Housebui lding Products. Harmer. Rainwater Victorian Ogee Agrement Certificate 86. Alumasc Drainage Calculators comprise a. Grease / Sediment. Yes, I give permission to store and process my data No, I don't consent to storing and processing my data Alumasc Heritage cast aluminium circular downpipe and rectangular rainwater head. Drainage Calculator MicroDrainage Support. Get widget Add keyword × Add new keyword for tracking Close Track keyword What is MetricsCat. flooring (Unsealed, secured removable). Nickel Bronze (BS EN 1982) Satin finish General Purpose Access Cover, for use with tiles, marble, terrazzo, resin etc. Two types of Harmer Modulock slot channels are also available - Facade. Alumasc Drainage Calculators comprise a series of tools to calculate the sizes of Harmer SML pipework, roof outlets and gutters from the Alumasc Range of Products. About Wade. Alumasc Water Management Solutions (AWMS), part of Alumasc Group, is the first joined-up brand in integrated water management. Harmer. Also included are FAQs, file downloads for NBS specification clauses, COSHH information, a CAD library, and much more. Sizes the piping needed on the acreage to be drained. Toilet waste lines are often 3″ or 4″. . Harmer Roof Drainage Roof Outlets, Roof Channel Drains and Raised Deck Supports May 2012 (52. Use our rainwater drainage calculator to calculate your property's flow requirements or ‘flow capacity’ of the gutters you're considering purchasing. Roof Rainwater Outlets. 4 calculators: Foul Drainage Calculator . Alumasc. Harmer Technical Helpline +44 (0) 1744 648400 3The Alumasc Rainwater website provides a wealth of information on all aspects of rainwater solutions, including gutters, downpipes and associated fittings. Double Inspection Chamber - Square. Check out our updated Drainage Calculator NOW! 👀🆕 We're delighted to. High capacity gutters for traditional or modern buildings. Gatic. The range includes Cast, Pressed and Extruded systems. key points. Read More. 135° Fixed Offsets. The key components include a geotextile. Our portfolio includes a premium range of reinforced polymer modified bituminous waterproofing membranes, single-ply membranes, hot-melt structural waterproofing, cold. 59. Calculating. Slotdrain. Alumasc 65mm x 1. Sustainability. Rainwater Technical Brochure. Wade Miscellaneous Gullies are for planting areas, swimming pool overflows, multi-level gullies and 90 deg gullies. The tools guide the user step by step allowing fast and simple roof drainage design whilst ensuring full compliance with BS EN12056-3 rainwater drainage design standard. With a life expectancy of 50-100 + years, 100% recyclable at the end of their long, useful lives they offer an eco-friendly, low maintenance and sustainable drainage system option. O programa está relacionado como Educação. First use the Hazen-Williams equation to find the velocity of the fluid: v = k × C × R 0. Rainclear Systems are the home of metal guttering & drainage. Speak to the experts in engineered access covers. Category 2 and 3 Flat Roof Drainage linked to local rainfall data. View options. ⏰ 📆 Friday 3rd - Sunday 5th November ⏰ 10am - 5pm 📣…Alumasc Water Management Solutions. In this equation, k is either 0. uk. You can also filter them by our different product brands. Tel: 01787 273998. Request a call back to speak to one of our technical experts for advice on what product is right for your needs. By registering for this website, you gain access to all site technical downloads including: CAD drawings, BIM files and the Alumasc Drainage Calculator along with technical data. Each metal system is manufactured to the highest standard for strength, long life and durability. Stainless Steel Drainage. Alumasc Rainwater is the UK's market leader of Aluminium, Cast Iron and Steel gutters and downpipes. Otherwise, check out these important facts you probably never knew about alumascdrainage. Nickel Bronze Wall Box. Project Images. 1671. Alumasc Water Management Solutions. Custom-made Slotted channel - Hidden. Fields marked with an asterisk (*) are mandatory. Also included are FAQs, file downloads for NBS specification clauses, COSHH information and a CAD library. Tel: 01787 273998. Fulham Football Club - Gatic Castslot provides game-changing drainage solution at Fulham Football Club. Harmer Roof Drainage is a comprehensive guide to the design and installation of roof outlets for various waterproofing systems and building types. Step One: Calculate Effective Maximum Roof Area B + C _ 2 x length of roof = area in m² Installation Tips For gutter fixings onto wooden fascias use 25mm x No. Maintaining a Flow of Information 2 Harmer Technical Helpline +44 (0) 1744 648400 3 Contents. 4 calculators: Foul Drainage Calculator, Internal. Round Cast Aluminium Downpipes. roof outlets and gutters from the Alumasc Range. Made from 100% recyclable aluminium. Roof Outlets offer an unrivalled choice of aluminium, cast iron rainwater outlets and channels alongside. Alumasc Water Management Solutions leading Drainage Calculator allows Architects, Specifiers and Building Engineer's to design and quantify all their Rainwater Drainage. [email protected]. Alumasc recently unveiled the innovative Drainage Calculator software at Ecobuild 2012, where it was heralded a major step forward for the industry. . Speak to the experts in Drainage. If you are in need of technical support on any of our products contact us at Alumasc Water Management Solutions today. Rainwater. Download. co. Tel 01536 383810. The roof drainage outlets and rainwater downpipes are calculated based on the design principles for gravity drainage systems established in SS525:2006 Code of Practice for Drainage of Roofs. Add to Basket. Contact Us. Browse through our downloads from technical downloads to price lists and brand brochures. Local Delivery Only. Data delayed at least 20 minutes, as of Nov 17 2023 15:54 GMT. Scanned by 75 antivirus programs on Sep 9, 2023. 449. +44 (0) 1744 648400. Our innovative, problem-solving specials cover a myriad. Wade. Company registration number 02992960 - VAT number GB 395 9417 96. Gatic offers a full support service to specifiers and contractors, including Computer Aided. Ideal for traditional and modern buildings in both new build and refurbishment applications. Cast iron, aluminium, galvanised steel & copper gutters. SML Cast Iron Above Ground Drainage. Skyline. Access our supporting technical downloads at Alumasc Water Management Solutions including BIM and CAD files. Harmer Shower Drains The Aluminium Range The premium, high performance Aluminium Shower Drain range, with BBA approved polyester powder coated drain. The Harmer technical team works alongside Architect and Contractor to produce fully engineered solutions from first concept through to finished product. A particular pipe size on a given grade will only carry a certain amount of water. Its systems allow designers, contractors and clients to realise the design, performance and installation benefits of fully integrated drainage solutions. EPA SWMM. Rainwater Powder Coating Agrement Certificate 86/1671. Alumasc Drainage Calculators. View our wide range of products from brands including; Skyline, Rainwater, Harmer, Wade and Gatic. 0 download. Learn about the features, benefits and technical specifications of Harmer's aluminium, cast iron and insulated roof outlets, channels and accessories. Here at Roofing Superstore we have a range of Alumasc contemporary guttering for your project, from stop ends and brackets to downpipes, outlets and bends. Established since 1928, our highly specified civil drainage range is well recognised. The calculator will return both the volume and weight of gravel you should buy. Caltech Clear Glaze. How much gravel do I need for a 50-foot French drain? For a 50-foot French drain, you might need around 1 to 1. AWMS International Overview Brochure. co. Harmer backflow valves are available in single flap options for incorporation in drainage systems from 50mm to 200mm diameter and in double flap options from 110mm to 200mm diameter. Alumasc Technical Helpline +44 (0) 1744 648400. Other Harmer Drainage Products 86 Alumasc Premium Products - All Brands 87 For latest prices and delivery to your door visit MyTub Ltd - 0845 303 8383 - - [email protected]. Alumasc’s Skyline and Rainwater products are available in plain mill finish or polyester powder coated. Calculator Purpose. Cast iron outlets for many drainage applications. The drain has in-built fall towards the outlets. “UltraSlot was chosen by. Re-development combined with information on site suitability, topography, and soil drainage determines whether complex, typical, or simple cost curves apply. Alumasc Water Management Solutions. Designed for perimeter drainage of inverted roof and warm roof constructions, the Harmer Modulock straight channel range, manufactured from either stainless steel or galvanised mild steel, is available in 130mm, 200mm and 250mm widths, with either variable of fixed depths. 50, 19. 14. 5000 Alumasc Group (LON: ALU) As at 23/11/2023 2:12 AM All data delayed by 15 minutes. Comprising five core brands and more besides, Alumasc WMS was brought into the project to provide cohesive, integrated water management throughout the project. In surface length, enter the length of your surface, e. Tel 01536 383810. Surfacing / Ballast (e. The life expectancy of aluminium is 40 years in rural/suburban areas and up to 25 years in industrial/marine areas. The steeper the grade of the installed pipe, the more water it will carry. Our innovative, problem-solving specials cover a myriad. Hopper Heads. The CPD is RIBA accredited, core curriculum content covering: Design Principals, Specification (detail & considerations), Specific. A full range of NBS specifications and roof drainage calculators are available via Alumasc’s online NBS Specification Builder at For project. Company registration. 2 Maintaining a Flow of Information The Harmer drainage website provides a wealth of information on all aspects of Harmer Drainagoof Drainage Calculator linked in to local rainfall data Rainwater Drainage Drawing tool integrating Quantities. Cast iron outlets for many drainage applications. Floor Drains. 27. s oof Drainage Calculator linked in to local rainfall data Rainwater Drainage Drawing tool integrating Quantities Schedule Eaves Drainage Gutter sizing and pipe calculator forAlumasc Drainage Calculators comprise a series of tools to calculate the sizes of Harmer SML pipework. Contact us for further support. UltraSlot is used in external concrete areas which are subject to constant traffic, such as airports & ports. Regional Sales Director - North at Alumasc Water Management Solutions 1yCastSlot features an electro painted ductile iron throat section, which is securely fixed to the galvanised steel channel body to provide an exceptionally robust yet discreet drainage system. Local Delivery Only. SIG Roofing offers a unique range of profiles, finishes and made-to-order options. Stainless Steel Drainage. We implement a ‘Rain to Drain’ philosophy built around the belief that surface water from both roof and ground level is a valuable natural resource and should be properly. B. It is quick and easy to use, turning the process of foul drainage system sizing and flat roof and eaves drainage calculation, into an elementary process. Durable, superbly finished items particularly suited to a high volume of pedestrian traffic. Speak to the experts in Aluminium, Cast Iron & Steel Rainwater. Tree Grille. Harmer. Supporting British Manufacturing. Back SubmitAlumasc. Use our rainwater drainage calculator to calculate your property's flow requirements or ‘flow capacity’ of the gutters you're considering purchasing. Refer to following tables for Drainage Fixture Unit (DFU) Value: Table 11. A competitive alternative to uPVC systems, with increased flow rates and. Harmer. 112. Alumasc GRP Check Trim. Rainwater Drainage Drawing tool integrating Quantities Schedule Eaves Drainage Gutter sizing and pipe calculator for Cast and Contemporary gutter types roduct Literature, DWG files and application specific NBS Specification Clauses. Access our supporting technical downloads at Alumasc Water Management Solutions including BIM and CAD files. The innovative galvanised steel system is manufactured in Germany using the latest in material and manufacturing technology. com. Download your PDF copy now from here. Available with a 10mm or 30mm opening. The package includes 4 calculators: Foul Drainage Calculator, Internal Rainwater Calculator, Roof Outlet Calculator, and Gutter Calculator. Development of further synergies in our “Rain to Drain” strategy. Floor Drains. Angle (degrees) Area (sq m) Step 3 - Enter Gutter Details. Wade. Rainwater. The Harmer SML system is fully compatible with Alumasc’s ranges of Aluminium, Cast Iron Outlets, Aluminium Floor Drains, and Modulock Linear Channel Drains – enabling flexible design solutions to be found for all soil, waste and rainwater drainage configurations. 5) Uniclass CI/SfB G581 DRAINAGE SYSTEMS. Many popular products delivered direct to site in just 2 days, including our market-leading roof and balcony outlets. Displays several design modules for each design issue, and helps fixing them. £8. Harmer. Compact drain bodies are ideal to install in all types of solid and suspended floor. Calculating drainage fall and gradients.