All cut edges are treated with corrosion resistant paint. Our beam and block floors have high fire safety ratings. Our team of estimators will produce a beam and block design that will satisfy the load and span conditions in the most economical way possible. There are many things to consider, so if you require assistance with lintel specification or selection then give us a call on 01455 272457, email us or leave a comment below. This website uses cookies to improve your experience while you navigate through the website. 155mm deep T beam (1 hour fire resistance) Medium Density Infill blocks 1450kg/m 3. We would like to show you a description here but the site wont allow us. The NBS reference of F30 Accessories and sundry items for brick, block and stone walling applies for prestressed concrete lintels. Our company has the capacity to offer several precast products to the UK market. Masonry loads and uniformly distributed timber floor loads Our variability and flexibility, along with our dedication to providing exceptional levels of customer service is what sets us apart from competitors. This may mean using various patterns and beam types within a project to ensure the most cost effective solution without compromising on quality. Stated figures represent the Total Serviceable Uniform Distributed Load (UDL) in kN. The calculation of the additional load depends on the width of the interaction zone at the point of the opening minus where the opening overlaps the diagram best illustrates this point. The second scenario is the assessment of load for lintel supporting wall with one or more openings within the interaction zone. The clear span at maximum spacing in a standard domestic application is 4671mm. This standard applies to lintels up to the length of 4.5 metres and assumes certain criteria are met regarding the weight of masonry, and applied point and distributed loads. For each floor beam section, there is information on the serviceable moment, ultimate moment, and ultimate shear. Medium density, lightweight infill blocks fill the gaps between the beams. The map shows our general area of operation. Learn how your comment data is processed. This results in four different beam sections. This table is meant to provide specifiers with a guide to our products and the limitations and use of the beams within the beam and block flooring system. On site, they are laid perpendicular to the supporting blockwork walls that make up the inner leaf of the footings and are laid at suitable centres to allow them to be filled with standard-sized lightweight aircrete or dense aggregate blocks. There is also three floor self-weight options for each section, and these are displayed in both kN/m2 and kg/m2 for each floor weight for each centre option for each beam section. The NBS reference of F30 Accessories and sundry items for brick, block and stone walling Clause 755: Prefabricated steel lintels applies for steel lintels. Milbank precast beam and block concrete floor beams are expertly manufactured by our experienced operations team at our facilities in Essex, UK and are cast to a high quality with excellent durability & longevity. Our company has the capacity to offer several precast products to the UK market. If you require a quotation, you can request one using our online form. They are relatively easy to install and provide a safe working platform for the rest of the build. Excellent sound-reducing qualities, durability and inherent fire resistance make our hollowcore slabs the solution of choice for apartments, care homes, hospitals and commercial projects. UK-Made Pre-stressed Concrete Floor Beams in 155mm, 225mm, or to your specifications Single span and simply supported end spans of multiple bays:A (1) Open-web steel joists or steel beams, supporting concrete slab, of solid or hollowcore slab units does not exceed 0.25% of the length for normal weight concrete Our load span tables are a useful guide to selecting the right lintel, but there are times where you may need or want to convert the figures to a UDL (uniform distributed load). Milbank designs, manufactures and installs precast concrete products for UK clients. We should say from the start that these beam and block load span tables are given as a guide only, and allowances should be made for point loads and partitions supported by the floor. Available in cavity sizes of 50, 70, and 90mm. Concrete Lintels: 7 reasons to consider concrete, UKLINTELS.COM STEEL & CONCRETE LINTEL SUPER STOCKIST PARTNER, Stressline associated with Stephen Jelley for BTCC 2022. Foxbank Industrial Estate However, if you have any questions about lintel selection, load span calculations or lintel specification, our technical team are more than happy to assist. We would like to show you a description here but the site wont allow us. Spiral and curved precast stairs, prefab concrete steps & concrete landings for all building types. This scenario is more complex to understand but is based on an opening intersecting with the interaction zone (not going across the span of the interaction zone.) Stressline standard galvanised steel lintels are manufactured from DX51D grade steel to BS EN 10346:2006, with a zinc coating type Z600, giving a minimum zinc coating of 600g/m per two sides. Uniformly distributed roof loads (in most cases HD lintel type is required), APPLICATION The bulk of the load span table data is the maximum clear span in metres that that particular product under those conditions will meet. Uniformly distributed roof loads (in most cases HD lintel type is required), APPLICATION Masonry loads and uniformly distributed timber floor loads We carry a permanent stock of over 25,000m of 155mm concrete floor beams, in varying lengths, to suit any order. Area, Use your -alternate, Warmfloor with 75mm This post examines the load span tables featured for APPLICATION We often assume that the load span tables featured in our lintel guideare easy to understand, which for those with knowledge; probably are. document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); 2022 Stressline Limited 200, 300 and 400mm thicknesses. The spans indicated below have not been limited to 50 x unit depth usually used to minimise the dynamic movement in the planks. We are known for our quality products, proactive service and value-focussed pricing. Milbank designs, manufactures and installs precast concrete products for UK clients. Steel lintels can be packaged in stock packs or consignment loads. Have a look through the latest news articles from Stressline. The weight is self-explanatory. Hollowcore Floor Slabs Span and Connection Details Residential Applications Brochure. Timber Frame Lintels (TF) are designed for use in timber frame construction and are intended to support the outer leaf of masonry only, generally brickwork. For full details of our steel lintel range, and access to the steel lintel load spans you can download the lintel brochure, or full lintel prices, download our steel lintel price list. Leicestershire This is the simplest scenario and basically, means that to calculate the load you take the load of the masonry above the lintel within the load triangle. Beam and block concrete floors comprises a series of inverted T-beams made of pre-stressed concrete cut to specified lengths as determined by construction drawings. These hit the scales at 35kg per linear metre. These highly durable floors are clean, mould free, unparalleled in longevity, and are incredibly low cost over their lifespan. Block Floors using 1450kg/m, T155 Double Have a look through the latest news articles from Stressline. Jetfloor Hollowcore Beam and Block Solid Slab Stairs and Landings. Bison Precast supplied ancillary steps, walls and stairflights as well as over 90,000m 2 of hollowcore flooring and over 13,000m 3 of precast concrete for the 54km of terracing. Marketing 4th October 2017 ALL, Concrete Lintels, Specification, Steel Lintels Leave a Comment. We may be able able to be competitive in other areas, particularly on larger projects. Our load span tables are a useful guide to selecting the right lintel, but there are times where you may need or want to convert the figures to a UDL (uniform distributed load). Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are as essential for the working of basic functionalities of the website. The NBS reference of F30 Accessories and sundry items for brick, block and stone walling applies for prestressed concrete lintels. Please send any questions to[emailprotected]or alternatively, call us on01787 223 931, Milbank Concrete Products Limited Registered in England No 4198265, Luxury Spiral, Helical & Curved Concrete Stairs by Kallisto, Precast Concrete Sea Defence Construction, WarmFloor Pro Thermally Insulated Concrete Floor, WarmFloor Pro Insulated Concrete Flooring, Concrete Product Design & Technical Support, Hollowcore and Beam & Block Load Span Tables. Designed to support: We regularly produce schedules from architects drawings, our technical team are fully versed in the latest British and European standards and can dispense advice on a number of projects from multi-site developments to one room refurbishments. The values in our own tables have been independently verified by a third party. This post examines the load span tables featured for APPLICATION Have a look through the latest news articles from Stressline. From 1998 until its completion in 1999, Bison supplied 1000m 3 of terraces, walls and beams, and 45,000m 2 of hollowcore flooring. 2003 New Wembley National Stadium. The lintel should be bedded on mortar and levelled both along the lintel and across its width. It is an intrinsic part of understanding how our products are used within construction under current legislation. To achieve the best U value possible, we can provide EPS flooring panels, in place of infill blocks, alongside our cost-effective light beams. With over 70 years of experience manufacturing and supplying pre-stressed concrete beam and block flooring products, were confident that we can provide you with the perfect solution to your flooring requirements. These cookies will be stored in your browser only with your consent. In very simple layperson terms it is the force (as measured by kiloNewtons metre; kNm) at which point the lintel breaks. Stated figures represent the Total Serviceable Uniform Distributed Load (UDL) in kN. Copyright 2022 Milbank Concrete Products Ltd. Beam and block flooring is renowned for being fast, cheap and simple to install, requiring no special constructions skills and is the cheapest way to build a highly durable and solid floor. If you needed your lintel for an eaves application, then you would use the 19:1 ratio, which means this lintel would take an inner leaf load of 11.4 kN and an outer leaf load of 0.6 kN (rounding up). Load span tables can be difficult to interpret, but Stresslines technical team are on hand to help. Search through our extensive range of structural building products, and find out more about what we do. Steel lintels offer excellent thermal efficiency, but we have a hybrid steel-concrete lintel combination that can offer near perfect thermal efficiency. We are offering a wide range of Hollowcore depths ranging from 150mm, 200mm, 250mm, 320mm, 400mm 450mm right up to 500mm. It will hopefully help the specifier gain an understanding of the product when specifying beam and block floors. We cover all aspects of the design and installation process and pride ourselves on our quick response to queries, world-class manufacturing, and expert installation. Minimal levels of excavation are required with preparation at a minimum, project timelines are shortened. However, for anyone starting out in the industry, getting to grips with interpreting the load spans for prestressed concrete lintels and steel lintels is not always straight forward.. Stated figures represent the Total Serviceable Uniform Distributed Load (UDL) in kN. We therefore do not recommend spans greater than the following: 150mm planks 7.50m, 200mm planks 10.00m & 250mm planks 12.50m. To contact our technical team visit the technical support page. Generally better suited for shorter spans. Clear span is very simply the length of the opening. Milbank designs, manufactures and installs precast concrete stairs and landings. *This UDL value is restricted by shear, which means the UDL would be higher were it not for the shear force which would snap the lintel first. Lintel load triangle and interaction zone. Long span/depth ratio large areas can be covered in a single span/plank meaning less steel/masonry and structural efficiency. The lintel should always be examined for damage prior to installation. Suited to longer spans and/or heavier loading conditions such as: larger houses, offices and care homes. The minimum recommended bearing length is 150mm. We now have a lintel load span table quick reference guide available, which you can view online, or you can download for free as a PDF. Initially we will make sure we know what values are included in the table. The NBS reference of F30 Accessories and sundry items for brick, block and stone walling applies for prestressed concrete lintels. This post is an overview of the British standard BS 5977-1:1981 which looks specifically at the method for assessment of load for lintels. Excellent intrinsic fire resistance. We regularly produce schedules from architects drawings, our technical team are fully versed in the latest British and European standards and can dispense advice on a number of projects from multi-site developments to one room refurbishments. LE9 4LX, Lintel loading method: Overview of BS 5977, Steel vs. The standard lead time is 3-8 working days for most areas of the UK. The pattern and type of beam used for a floor depends on two main factors, namely: Our team of estimators will produce a beam and block design that will satisfy the load and span conditions in the most economical way possible. dimensions in the load tables). If you would like to register your interest or find out more email andrew.sanderson@stressline.net. The density of block is split into three types measured in kg/m 3.These are 1970, 1350 and 650. Our standard prestressed concrete lintel has been a staple part of British housebuilding for over 50 years. Your Email (required, but will be kept private). Excellent intrinsic fire resistance. Do you have any installation recommendations? A narrow-section, 150mm deep concrete beam is an inverted T-beam for a beam and block floor. Decades ago, we began our life as block and beam floor suppliers, and we have grown into one of the largest suspended concrete flooring specialists in the region. We can also provide any air bricks or slips you might require. Contact Details. -maximum, T225 Double Stressline has an on-going commitment to improving both product and management systems: All of our products are delivered on flat bed articulated or rigid lorries, with the option of either self offload or crane offload. 1-866-355-2183. Rolled Steel (RS) and Rolled Steel Channel (RSC) fabricated lintels are designed for extreme loading conditions: Hollowcore Load Span Table. Benefits of Hollowcore Plank/Slab Floors: Rapid installation our teams can fit up to 300 square meters of hollowcore in a day (subject to site conditions). Stressline Joins the Builders Merchants Federation. Beam and block floors are maintenance free completely unaffected by damp, rot or vermin. Deciphering beam and block load span tables can be an arduous process sometimes. Uniformly distributed roof loads (in most cases HD lintel type is required), APPLICATION Search through our extensive range of structural building products, and find out more about what we do. Contact Details. Made in our factory in Leicestershire, Stressline steel lintels are the benchmark of structural building products. These hit the scales at 35kg per linear metre. All external wall lintels MUST be installed with a damp proof course (DPC) or cavity tray. We therefore do not recommend spans greater than the following: 150mm planks 7.50m, 200mm planks 10.00m & 250mm planks 12.50m. These lintels are suitable to support a 125-150mm outer leaf of blockwork or stonework. If an opening intersects the interaction zone and additional load is applied to the lintel. We often assume that the load span tables featured in our lintel guide are easy to understand, which for those with knowledge; probably are. This post is not going to help you with the calculations to arrive at what loads you need the lintel to bear that is for another blog post. The R15 is a popular concrete product; here you can see the load table values up to a length of 1800mm. Spiral and curved precast stairs, prefab concrete steps & concrete landings for all building types. We also provide concrete block flooring products, with standard 100mm deep building blocks to span the gaps between the beams during installation. Available in cavity sizes of 50, 70, 90, 110, 130 and 150mm. Please send any questions to [emailprotected] or alternatively call us on 01787 223 931, Milbank Concrete Products Limited Registered in England No 4198265, WarmFloor Pro Insulated Concrete Flooring, Luxury Spiral, Helical & Curved Concrete Stairs by Kallisto, Precast Concrete Sea Defence Construction, Concrete Product Design & Technical Support, Hollowcore and Beam & Block Load Span Tables. These are 1970, 1350 and 650. We are offering a wide range of Hollowcore depths ranging from 150mm, 200mm, 250mm, 320mm, 400mm 450mm right up to 500mm. From 1998 until its completion in 1999, Bison supplied 1000m 3 of terraces, walls and beams, and 45,000m 2 of hollowcore flooring. The structural performance of our lintels is supported by continuous in-house testing. Designed to support: Once you have finished reading this, why not download the guide for future reference. Concrete Lintels: 7 reasons to consider concrete, UKLINTELS.COM STEEL & CONCRETE LINTEL SUPER STOCKIST PARTNER, Stressline associated with Stephen Jelley for BTCC 2022. Maximum Clear Span* in metres below allows for the. Your Email (required, but will be kept private). Type, Standard Beam and These ratios represent the ratio of load that the lintel can bear as inner leaf to outer leaf. Copyright 2022 Milbank Concrete Products Ltd. Use your own Yes we do. Maximum Clear Span* in metres below allows for the. Floorspan Contracts are a precast concrete manufacturer based in Wisbech, Cambridgeshire. This post examines the load span tables featured for The density of block is split into three types measured in kg/m 3.These are 1970, 1350 and 650. Modern, versatile, cost-effective & fire-resistant stairs that can accommodate progressive collapse requirements. A 900mm SL50 has a height of 95mm, and weighs 6.2kg per metre. We also use third-party cookies that help us analyze and understand how you use this website. Our in-house team of industry expert designers, manufacturing staff and installation gangs are continually driving our mission to deliver exceptional levels of service to our customers. Our prestressed lintels can also be We also provide concrete block flooring products, with standard 100mm deep building blocks to span the gaps between the beams during installation. Understanding the load ratios is vital to gaining an appreciation of lintel selection. Nominal height The height of the lintel in mm. Jetfloor Hollowcore Beam and Block Solid Slab Stairs and Landings. Precast Hollowcore & solid floors. Designed to support: Standard truss roof loads, Heavy Duty Box Section Lintel (E HD and E XHD) Whilst we can make recommendations for our steel lintel range, please note that this does not discharge the installer from the responsibility of ensuring the bearing pressures of the masonry are not exceeded. Get your free quote. Necessary cookies are absolutely essential for the website to function properly. The masonry load within the load triangle is carried by the lintel; Point loads within the load triangle are dispersed at 45 and carried by the lintel; Point loads within the interaction zone are reduced by 50%, dispersed at 45 and carried by the lintel; The weight of masonry in the interaction zone is not carried by the lintel. This is particularly true of residential properties. Stressline Joins the Builders Merchants Federation. The loadings published in the load-span tables were achieved in accordance with BS EN 845-2 and tested in accordance with BS EN 846-9. Stoney Stanton The interaction zone is a zone outside the load triangle but within a 60 triangle having 1.1 times the clear span of the lintel at its base. These two triangles form the basis of this standard and this diagram shows how they are applied above the lintel. For more information and advice on installation, please download our full lintel brochure. Finish Load, 12mm Our beam and block floors are made by laying a series of T-beams parallel to each other on supporting blockwork walls. Looking at SWL figures you can see that if your floor load is a 1:1 ratio (so the same weight is applied on both the inner leaf and outer leaf, then this SL50 at 900mm can take a load of 8kN on each leaf. Learn how your comment data is processed. Bison Precast supplied ancillary steps, walls and stairflights as well as over 90,000m 2 of hollowcore flooring and over 13,000m 3 of precast concrete for the 54km of terracing. How loads are dispersed and calculated in the load triangle and the interaction zone. But opting out of some of these cookies may have an effect on your browsing experience. Varying the concrete beam centres during construction offers a quick and economical solution for a wide range of problems, both at ground and upper floor levels. These assumptions will be more specifically addressed within the post, but for a more in-depth understanding of this, please get in touch. The supporting blockwork needs to be laid first, but otherwise there is very little preparation needed. Weights The weight of the lintel in kg per metre. Alongside general precast concrete products we supply specialist products including spiral/helical staircases; ground beams; hollowcore; sea defences; beam & block floors; and balconies. Concrete floor loads We also provide resources and online tools to help you find the information you need: If you have any questions about how beam and block flooring could be the solution youre looking for, we would love to hear from you. Foxbank Industrial Estate Standard (WIL) and Heavy Duty (HD WIL and HDX WIL) Please, We produce, sell and deliver a variety of structural building products including, Our lintel guide is the definitive guide to all things lintel steel and concrete including the load spans. 200, 300 and 400mm thicknesses. Our comprehensive steel price guide is downloadable from the, When specifying steel lintels you are invited to. RM is quite difficult to explain, and quite frankly is best described by a qualified engineer. -maximum, T155 Double This may mean using various patterns and beam types within a project to ensure the most cost effective solution without compromising on quality. Milbank designs, manufactures and installs precast concrete products for UK clients. Yes we do. RS and RSC lintels are manufactured with a 6mm welded bottom plate to BS EN 10025 2: 2004 of steel grade S275. Attic truss loads A sand and cement mix is then spread over the floor to ensure that the beams and blocks form a solid structure. Download the PRECAST HOLLOWCORE brochure below for easy to read span tables to see how this product can save you time and money on. Stoney Stanton We also provide concrete block flooring products, with standard 100mm deep building blocks to span the gaps between the beams during installation. 4.1.3. Max span limited to 50 x unit depth 3 Actual camber can exceed predicted camber by up to 50% (BS8110-1: clause 6.2.8.4) Using bespoke machinery at our Leicestershire site, stressline concrete lintels are the benchmark in prestressed structural building products. Our concrete t-beams are available in 155mm and 225mm deep pre-stressed options in lengths of 1-6m in 50mm increments. Learn how your comment data is processed. Stresslines steel lintel range is the largest published range of steel lintels in the UK. This first load span table is for a standard 50mm cavity lintel. Long span/depth ratio large areas can be covered in a single span/plank meaning less steel/masonry and structural efficiency. Our lintels are manufactured to the British Standard BS EN 845-2. LE9 4LX, Lintel load span tables: A beginners guide, Lintel loading method: Overview of BS 5977, Steel vs. Our load span tables are a useful guide to selecting the right lintel, but there are times where you may need or want to convert the figures to a UDL (uniform distributed load). As the concrete products used are all precast at our factory, the installation is an entirely dry process.
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