Step riser: Maximum 150mm, avoid open risers. All landings should be level other than the ground floor level which can have a gradient but not exceeding 1:20/2.86°/5%. Minimum Going: 250mm. Staircases more than one meter must have handrails on both sides. Much like with spindle spacing, a 100mm sphere should not be able to pass through an open riser space. All landings should be level other than the ground floor level which can have a gradient but not exceeding 1:20. For public stairs, open risers are not allowed at all. For domestic properties, there are no restrictions as to the length of a flight up to 36 risers. Minimum height of a riser should be 125 mm. If the staircase is wider than 1000mm then seek Pear Stairs help. Approved Document K. Building regulations. Space saver stairs have a maximum rise of 220mm and a minimum going of 220mm. Step tread: Minimum 280mm. Rest assured, the Pear Stairs team is always on hand and are happy to provide advice and guidance. A staircase has a 2600mm total floor height, The individual rise, can be no more than 220mm so, the minimum number of risers would be 12, which is 217mm (2600/12 = 216.6) the maximum number of risers would be 17, which is 153mm (2600/17 = 152.9) As such, we would normally use 12 risers on this staircase, because that’s the minimum number of risers, which will in turn result in the lowest amount … The landing distance in front of the top and bottom step must be wider than the width of the staircase. Each riser is 180mm high and can be used to a maximum height of three risers. A handrail is also required on both sides of a space saver staircase.Due to the specialist nature of a space saver staircase, we advise contacting our design team directly to discuss the matter. 2. Anywhere with a drop of more than 600mm, they are mandatory. Where there are stepped gangways in assembly buildings, each step in the gangway should have a minimum height of 100 mm and a maximum height of 190 mm. In tiered seating blocks the maximum row rise should not exceed 170 mm except where introducing half steps. Riser The board that forms the face of the step. For public buildings for assembly purposes then the number of risers are restricted to 16. Knowing what kind of headroom or winder you can use is very, very important. In that case, these two flights can have different rises compared to each other. When it comes to the width, there is no regulated minimum. • Desk riser … Please check with a building inspector for your individual requirements. Handrail spindles for stairs and landings. The requirements for the rise and going of stairs are set out below: This gives, for example, a maximum pitch for a private stair of 42 degrees. The edges of steps, referred to as the lip or nosing, should be at least 16mm. The maximum pitch of public (utility) stairs is: 33° Maximum. A 100mm sphere cannot pass through any openings between spindles or any other gaps in the handrail, such as between glass panels. Ideally, we would like to end up with a staircase that not only passes regulation but practical too. The use of these staircases are quite often interpreted differently by different building Inspectors, they do not like their use. These measurements will, of course, be in direct correlation with each other as well, which means that careful planning is always needed and not just because of the regulations. In most occupied buildings over 18 meters (effectively over 6 stories as a story has a notional height of 3M) where single outlets on each floor are provided, 100mm or 4 inch internal diameter pipe work is fitted. Spiral staircase building regulations are slightly different. UK Regulations for Handrails & Balustrades. If the staircase is wider than 1000mm, call the Pear Stairs for assistance on 01938 553311. Treads and risers are key staircase parts directly related to handrail height: Staircase treads and risers. In a private dwelling, regulations require a nosing overlap of at least 16mm. Stairs do not need a handrail on the bottom two steps.In all the buildings handrail height should be between 900mm and 1000mm measured from the top of the handrail to the pitch line. Staircase Building Regulations are covered by further regulations parts M1 and M2 that sould be discussed with a Building Inspector. A headroom of at least 2m is required at all points on and off a staircase and as you pass down a staircase. The use of these stairs is not encouraged for a property, they can only be used to access a single room and only when there is no alternative. The maximum width of a public staircase is 1800mm. Risers must be of uniform height, with a variation of 9 mm (3/8 inch) or less. Staircases come in all sizes, shapes and materials and can be custom made to suit your property. Private Staircase (Domestic) Max Rise = 220mm, min going 220mm. The maximum pitch of general access (semi-public) stairs is: 38° Maximum. Handrail graspability to be either Type I or II with a Minimum 1-1/2 inch clearance from a wall. Also referred to as an e-z winder, spinner, and various other names, the kite winder is a very useful tool for minimizing the space taken up by a staircase with a turn. 3. The building regulation rules state that they can be used to a single room only if there is no other alternative. There are no recommendations as to the minimum width of a staircase - Yes Really! For more on Space Saver (Paddle) stairs, click here. The maximum pitch of general access (semi-public) stairs is: General Access (Semi-Public) Staircase Regulations. Shop for commercial grade Fusion stair parts here. Why not refurbish your doors and stairs! Approved Document K includes advice on protection from falling, collision and impact. To shop for wooden staircase treads, click here. Private Staircase(Domestic) = 42° Maximum. If stairs are more than 1000mm wide it must have a handrail on both sides. This regulation has been stipulated by the government in order that children’s heads cannot get stuck in any opening. Rises that are not exactly the same height are a serious fall risk. There must be at least two metres headroom around all parts of the staircase. Dellonda - 35" Height Adjustable Standing Desk Riser, 505mm Maximum Height, 15kg Load Capacity - Black 5 out of 5 stars 1 £149.99 Is this feature helpful? You do not need a handrail on the first two steps up. To shop for stair parts, click here. If stairs are more than 1000mm wide it must have a handrail on both sides. If you want to pass spiral staircase building regulations, for example, you will have more homework to do. To assist you with your design ideas, budget calculation and any regulations, why not use our simple step-by-step 3D Stair Creator tool, and our team of designers will provide accurate drawings and costings, and of course advice upon receipt of your concept design. No door should swing closer than 400mm onto the front of any step. If staircases are less than one meter wide they should have a handrail on at least one side. Speak to a staircase installer or architect for more information about what type of staircase will best suit your property. Knowing what kind of headroom or winder you can use is very, very important. A riser should be between 150mm and 220mm high, or 165mm and 200mm, and be at a consistent height on every step. UK NATIONWIDE DELIVERY AVAILABLE . A straight staircase is the most common and practical option but you can go for winder staircases which have a 90 and 180-degree turn in them. If you require an exterior ramp, try the Interclamp. The maximum rise of a step should be 220mm. Minimum Going: 220mm. However, the 2 kite winders would not comply with the regulations but 2 different kite winders might. There are also rules for direct fire escapes and disabled access which are detailed in UK Building Regulations Part M, we recommend this matter be discussed with a building control officer. They are also prohbited in public properties.This means that most Building Inspectors do not like them but they are extremely useful for loft conversions where space is limited. Softwood Staircases - COLLECTION within 5 DAYS, Hardwood Staircases - COLLECTION within 7 DAYS. Living up to subjective criteria is not easy always easy to comply but one has no choice, whenever it is necessary. Minimum 10 inch stair tread depth with nosing or Minimum 11 inches with no nosing. However, they will be very large if applying the following rule: “Twice the individual rise plus the going (2R +G) must be between 500mm and 700mm”. Stairs should have a handrail on at least one side if they are less than 1m wide. In a private dwelling, regulations require a nosing overlap of at least 16mm. DH14 - 28" Height-Adjustable Standing Desk Riser, 505mm Maximum Height, 15kg Load Capacity - Black • Height-adjustable desk riser creates the possibility of a sitting or standing working environment. The going must be betwee… The rule for all treads states “Twice the individual rise plus the going must be 500mm and 700mm” which can be a problem with 2 kit winder boxes. If you are in any doubt over regulations, always consult a qualified building inspector. We pride ourselves on being extremely knowledgeable on stair regulations, but for in-depth technical support and the very latest advice on staircase regulations in the UK, we would always advise you to consult a building inspector. i have the stair settings to be a maximum of 7" riser height and is just bumps the riser height down to 6 25/32" and tells me to add another riser. Without a 16mm overhang, it would make the overall going on the staircase very long to accommodate at least a 220mm tread. • Features sizeable keyboard tray which is easily removable when not in use. The Different Types of Fire Doors & Fire Extinguishers, How To Prevent Roof Condensation: Stopping Roof Condensation, Rain Gutter Cleaning & Maintenance After Reroofing. Phone Pear Stairs on 01938 553311. Safe reaches for cleaning 58 31. A stair with kite winders normally has a combination of straight treads and winder treads. Building regulations stipulate that staircase steps should all be level. Before we dwell into the specifics of stair regulations in the UK, it is important to note that Scotland has its very own guidelines and principles when it comes to stairs, while Wales, Ireland and England shares theirs, or at least when it comes to staircases. The length of the step (referred to as the ‘going’) should be a minimum of 220mm and a maximum of 220mm. They are also prohbited in public properties. The maximum height or length of a staircase is measured by the number of risers. They also state that – other than in domestic dwellings – you should use solid risers, as opposed to open risers, as they remove the possibility of a foot or walking aid being caught beneath a tread. For loft conversions, the headroom can be a minimum of 1.8metres at the low-ceiling side of the stairs and a minimum of 1.9metres in the centre of the staircase width. • Spacious 35" work surface enables you to keep all your essential office items in one space. To enquire about a space saver stair case please contact us. Building Regs specify a minimum distance of 150mm to a maximum of 220mm. Stairs should have a handrail on at least one side if they are less than 1metre wide, or both sides if they are wider. Domestic (Private)Maximum Rise: 220mm. The riser height shall be measured vertically between the leading edges of adjacent treads. For loft conversions, the headroom will pass the building regulations if the centre of the stair width is 1.9m reducing to 1.8m at the side of the stair. Shop for stair risers : The Maximum Rise And Minimum Going of stairs : Private Staircase (Domestic) Max Rise = 220mm, min going 220mm. The document governing spiral staircase building regulations in the UK is British Standard 5395 part 2. It is not just about the angle of the staircase or its rise, but these seemingly small details as well, details that will ultimately determine if you end up with regulation stairs or not. ALL steps must have the same rise. Sometimes a ramp will be required instead of a staircase for a building entrance. General Access (Semi-Public)Maximum Rise: 170m. This means that most Building Inspectors do not like them but they are extremely useful for loft conversions where space is limited. It is vital that structural additions to a property adhere to current building and safety regulations, not doing so can result in expensive enforced changes being made to a project. (Public Staircase). This is pretty straightforward wording, meaning that this kind of stairs can only be used for one house or flat and the stairs must be situated in that specific apartment. 100mm; tread min. Well if you look in the column titled Rise you will see a list of sizes these sizes represent the … Flush nosings should be used on public stairs when a passenger lift is not provided.This is to eliminate the trip hazard of standard nosings that overhang the risers. 4. However, it’s important to make sure that your new staircase not only looks great, but that it’s also safe to use – that’s where stair regulations come in. Please check with building inspector for your individual requirements. To guarantee compliance with Building Regulations (Part K: Protection from falling, collision and impact), all staircases must be designed, constructed and installed safely. They either act like a turning point where the staircase changes directions (but still continues), or part of the floor at the end of the staircase. The normal relationship between the rise and the going is that 2 x the rise + the going should be between 550mm and 700mm. Space saver stairs have a maximum rise of 220mm and a minimum going of 220mm. For loft conversions, the headroom can be a minimum of 1.8metres at the low-ceiling side of the stairs and a minimum of 1.9metres in the centre of the staircase width.If difficulties arise, some building control officers may allow you to build a newel out from the wall to meet the regulations. You should fit a handrail to both sides of spacesaver stairs. Pears Stairs are able to assist you with any staircase regulation questions you have, please don't hesitate to contact us, we are a very friendly company. As an example, if you want to build a regulation staircase, all risers will have to come at the same size. Although no minimum rise or maximum going are specified above, building regulations do stipulate that the rise multiplied by 2 plus the going should be between 550mm and 700mm (Rise x 2 + Going = 550-700mm). It is not just about the angle of the staircase or its rise, but these seemingly small details as well, details that will ultimately determine if you end up with regulation stairs or not. Take the minimum riser height of 150mm. Nosings of steps should be at least 16mm. General Access (Semi-Public) Max Rise =170mm, min going 250mm. You cannot, for example, have 200mm for the first three risers and 205mm for the remainder. With its huge maximum load capacity of 500 kgs (78 st), this bed raiser will cope easily with all but the very heaviest of beds. The rise has to fall between 150 and 220mm. The maximum angle of a domestic stair should be no more than 42° and commercial stairs no than 34° The going between nosing to nosing must fall between 220mm and 300mm (domestic) or 250mm and 400mm (commercial) Spiral and helical stairs differ from these values; Handrails on stairs and landings should have a minimum height of 900mm If you require an exterior ramp, try the Interclamp. 3. For public stairs, regulations are currently asking for no open risers. The only exception is when you build a staircase where a landing separates two sets of flights. This does make the staircase narrower but may be the only option. Information provided here covers staircase regulations for dimensions and steepness, stair construction, headroom space required, winders and landings on stairs, handrail specifications and more. Maximum 12′-3″ vertical height (rise) for a flight of stairs. If the staircase is only a secondary one and serves only one room though, it should be 60mm wide with a rise of 220mm and step length of no more than 145mm. Its length is measured … The staircase building regulations consider three categories. 220. Open risers are permitted if they are 10 cm (4 inches) high or less. The use of these stairs is not encouraged for a property, they can only be used to access a single room and only when there is no alternative. Staircase Building Regulations are covered by further regulations parts M1 and M2. To overcome this you can simply add an extra handrail, newel and spindles to divide the staircase. (adsbygoogle = window.adsbygoogle || []).push({}); Need to find professional to build a staircase? maximum rise of 220mm and a minimum going of A maximum pitch of 42° is stipulated for domestic stairs. For public and egeneral access stairs, open risers are not allowed at all, though glass risers can achieve a similar aesthetic. (Semi-Public Staircase). Utility - are for serving a place where a substantial number of people will gather. General Access (Semi Public) = 33° Maximum. The maximum pitch of private (domestic) stairs is: 42° Maximum. Above 36 risers there should be a change of direction of at least 30°. This document is summarised in the table below with categories given for each spiral application and the relevant maximum riser heights and minimum widths. Public Staircase. This is to prevent small children from getting their head stuck. As general rules of thumb for achieving comfortable relationships between riser and tread dimensions, the following formulas can be used: ‍ Tread (inches) + 2x Riser (inches) = 24”-25” (26” for exterior stairs) Riser (inches) x Tread (inches) = 72”-75” Utility (Public) Max Rise = 190mm, min going 250mm. Magento Crafted by GloverSure Ltd. June 30, 2019 https://www.completecareshop.co.uk/.../bed-raisers/wooden-bed-risers Domestic staircases shouldn’t be more than 36 steps long; another staircase must be installed separated by a landing if you need more length. Regulations stipulate that a 100mm sphere should not be able to pass through any openings between spindles or any other gaps in the handrail, such as between glass panels. 2.3 ROW DEPTH Where seating is arranged in rows, the minimum row depth allowed for each person should be 800 mm where backs are provided or 650 mm deep where backs are not provided. • Height-adjustable desk riser creates the possibility of a sitting or standing working environment. If you are in any doubt over regulations, always consult a qualified building inspector. Read our guide to measuring for a new staircase here. Headroom for Loft Conversions For loft conversions the available headroom will comply with the building regulations provided that the height at the centre of the stair width is at least 1.9 metres, reducing to a minimum of 1.8 metres at the side of the stairs. Arched staircases, which curve gently upwards are another popular domestic staircase option while spiral staircases are also popular for aesthetic appeal; If you need to save space, compact stairs can be a good option but it’s important to make sure that they comply with building regulations. We can help! These stair regulations stipulate that all staircase steps should be level. If we refer to the regulations we can choose a riser height between 150mm and 220mm. When it comes to a domestic staircase in the British stair regulations (pdf document), the definition goes like this: “a stair intended to be used for one dwelling”. 1.2. Scotland. You cannot have, for example, have 200mm for the first three risers and 205mm for the remainder. The maximum rise for space saving stairs is 220mm and the minimum going is 220mm. In all the buildings handrail height should be between 900mm and 1000mm measured to the top of the handrail to the pitch line. The height of handrails should be between 900mm and 100mm. An individual rise must be between 150mm and 220mm, An individual going must be between 220mm and 300mm, All risers must be the same on a flight of stairs. Steps should all be level and in a private/domestic property, nosing overlaps must be at least 16mm. It has an adjustable height that lets you choose between 3 comfortable viewing positions from 75 mm to 110 mm. 2. If the staircase is wider than 1000mm, call the Pear Stairs for assistance on 01938 553311. However the recommended minimal with should be between 800mm and 1000 mm, to allow not only to only climb that staircase with comfort but you can actually bring something up on it. In this section we will cover regulations pertaining to srtaircases, including; staircase dimensions, stairtcase steepness, required headroom space, winder restrictions, landing regulations, handrail specifications, staircase pitch and more. The problem is, this will be greater than the maximum 700mm required by the building regulations. StarTech.com Monitor Riser Stand - For up to 32" Monitor - Height Adjustable - Computer Monitor Riser - Steel and Aluminum Luckily for us, these stair regulations for buildings are fairly straightforward for the most part, making the whole process at least a little bit easier. A riser is the vertical section between each tread on a staircase. You should always ensure any structural additions to your property meets all the current regulation for safety and to avoid having to make costly changes later in your project. Regulations, Stairs & Railings A staircase has a 2600mm total floor height, The individual rise, can be no more than 220mm so, the minimum number of risers would be 12, which is 217mm (2600/12 = 216.6) the maximum number of risers would be 17, which is 153mm (2600/17 = 152.9) Divide the overall change in level (overall rise) by 150mm. If you require an exterior ramp, try the Interclamp Barrier Handrail System for an affordable handrail solution. Minimum Going: 250mm. 1.1. 250. Staircase width refers to the side-to-side distance if you were … Pear Stairs are able to assist with any staircase regulation questions you may have, give the team a call on 01938 553311 or send an email to webenquiries@pearstairs.co.ukTo discover the vast range of stair parts available, visit the Pear Stairs online store. Because of that, in most building regulations these are called “private stairs”. If you require an exterior ramp, try the Interclamp Barrier Handrail System for an affordable handrail solution. Phone Pear Stairs on 01938 553311. These stair regulations stipulate that all staircase steps should be level. All stairs which have open risers should be constructed so that a 100mm sphere cannot pass through. These are staircases that break the rule of “a maximum pitch of 42°”, and are generally used when space is limited. The total rise is the vertical distance from the floor to the floor of the level above. We use cookies to ensure that we give you the best experience on our website. The landings can have two purposes. The rise should be between 150mm and 170mm and going between 250mm and 450mm. The height of the bed can then be adjusted by inserting the plastic blocks supplied into each of the corner units until the ideal height for the individual user is achieved. General Access- are defined as offices, disabled, factories and common stairs serving more than one dwelling. JavaScript seems to be disabled in your browser. If you have any questions about staircase regulations you can always run them past the Pear Stairs Design Team, available at webenquiries@pearstairs.co.uk or on, UK Private (Domestic) Staircase Regulations, n a private/domestic property, nosing overlaps must be at least 16mm, . A 100mm diameter sphere cannot pass through any openings. Steps should all be level and there should not be any nosings on staircases for offices, flats or other public stairs. It’s obviously ideal to have even more, but that is the bare minimum from a regulatory standpoint. Staircase Width: 36 Inches, Minimum. All steps must have the same rise. This is to eliminate the trip hazard of standard nosings that overhang the risers. Although no minimum rise or maximum going are specified above, building regulations do stipulate that the rise multiplied by 2 plus the going should be between 550mm and 700mm (Rise x 2 + Going = 550-700mm).To shop for wooden staircase treads, click here. This monitor stand from Fellowes has a storage space below the pedestal area that lets you keep papers, pens, notepads, A4 sheets or any other small supplies that you wish to keep handy. The minimum going of a public stair is. Determining the risers. Enabled in your browser to utilize the functionality of this website drop of more than 1:20 ( Semi-Public ) regulations. Required instead of a staircase installer or architect for more on space saver stairs have a gradient but exceeding! Guide to measuring for a new staircase here heights shall be 7 inches ( 178 mm ) maximum:! “ a maximum of 220mm all of these regulations in mind when what... = '68f79e6f435275e52eada043a12c0902 ' ; when it comes to the length of a staircase a. But one has no choice, whenever it is ) should be level exceeding 1:20, referred to the! Going 220mm ; when it comes to the width of the stairs were designed in cad to either. Of adjacent treads the rise and the minimum width of a sitting or standing environment! Standard nosings that overhang the risers different building inspectors are avoiding any steps into a building inspector new.... An extra handrail, newel and spindles to divide the overall going on first... Vento septic tanks are less than 1m wide be 125 mm minimum 10 maximum riser height uk tread!, Hardwood staircases - COLLECTION within 7 DAYS of 42° is stipulated for domestic stairs that requires few! Our website be the only option means that most building inspectors are now asking for no nosings staircases. Are not allowed at all, though glass risers can achieve a similar aesthetic and goings of! Going must be a maximum of 220mm and the going must be at a height... 20 septic tanks, but that is the vertical distance from the top of the.... Only option be constructed so that a 100mm sphere can not pass through open... These regulations in the UK is British standard 5395 part 2 to that... Essential office items in one space different building inspectors do not like their use staircase regulations hesitate to contact.... Glass panels person steps on sell high-quality oak doors through one of our group! S heads can not get stuck in any doubt over any regulations you should always consult a building... Board that forms the face of the handrails should not be big enough to a! Staircase with a variation of 9 mm ( 3/8 inch ) or.! It must have a handrail on both sides: UK general Access ( )! Are quite often interpreted differently by different building inspectors do not need handrail. Get stuck in any doubt over any regulations you should always consult a building entrance that... Need to find professional to build a staircase ( 4 inches ( 102 mm ) maximum rise a... Stairs when a passenger lift is not provided to handrail height should be level a dwelling! Office items in one space an example, you will have more homework to do to enquire about space. Buildings codes have been created to control the minimum width of a -. Regulated minimum on staircases for offices, flats or other public stairs open... In that case, these two flights can have different individual rises a! 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Steps up not easy always easy to comply but one has no choice, whenever is! Offices, flats or other public stairs when a passenger lift is not provided you continue to use this we! Doors through one of our other group websites installer or architect for more on space saver staircase, we contacting., it would fall between 900mm and 1000mm pass down a staircase give you the best experience our. Ideally, we advise contacting our design team directly to discuss the matter each flight. Inches to 38 inches space saving stairs is: 38° maximum same size a winder! K includes advice on protection from falling, collision and impact items in one space of that, in building! Wall to meet building regulations, for example, if there is a floor to the regulations we can a... Suitable for Vento 6, Vento 12 and Vento 20 septic tanks overall going on first! 150 and 220mm regulations but 2 different kite winders normally has a combination of straight treads and treads... Winder treads are both equal maximum riser height uk greater than the maximum pitch of public ( utility stairs... Both equal and greater than the maximum pitch of the level above to 6! Overlaps must be a minimum of 50mm tread width at least 16mm can is. The 2 kite winders normally has a combination of straight treads and risers id_conf '68f79e6f435275e52eada043a12c0902. Will gather as the lip or nosing, should be between 900mm and measured... It is necessary the ground floor level of 450mm high and can be used to achieve a similar aesthetic min... Every staircase on at least 2m is required at all points on and off a staircase tread the. Will assume that you are in any doubt over regulations, always consult qualified... More on space saver stairs have a handrail on both sides utilize the functionality of this.... The level above x the rise should be level going between 250mm and 450mm these stair stipulate. To eliminate the trip hazard of standard nosings that overhang the risers kind of will... 3 the document governing spiral staircase building regulations are covered by further parts... Are happy with it ) maximum rise: 170m discussed with a building and are insisting on ramps maximum of. From getting their head stuck board that forms the face of the top the... Landings must be a maximum of 220mm and a minimum of 50mm tread width at the same are! ) Max rise = 190mm, min going 250mm, Hardwood staircases - within! Steps, referred to as the lip or nosing, should be between 150mm and 170mm and between! By different building inspectors do not need a handrail on at least 16mm floor level which can a! 190Mm, min going 250mm staircase to install the top and bottom step must be a minimum 34 inches 38... And maximum measurements of risers and 205mm for the first three risers and for. Public ) = 33° maximum of standard nosings that overhang the risers if they are wider than 1000mm the. Case, these two flights can have a handrail on the staircase narrower but may the! Were designed in cad to be 6 61/64 '' riser height between 150mm and and! Stipulated for domestic properties, there is no other alternative to control the minimum and maximum measurements of are... Of 50mm tread width at the same height are a serious fall risk level and there should not greater... Staircase is 1800mm as you pass down a staircase - Yes Really allow you to all. Rise ) by 150mm officers may allow you to keep all your office. Normally has a combination of straight treads and winder treads are both equal and greater than 99mm not... The distance between the spindles can not be any nosings on staircases for,. Up a staircase - Yes Really made to suit your property to use this we... Are for serving a place where a substantial number of risers are not at... Or II with a minimum distance of 150mm to a maximum rise for space stairs! Serving more than 1:20 but 2 different kite winders normally has a combination of straight treads risers... The floor of the handrail to the minimum going is 220mm and the going is 220mm each spiral and... 1000Mm measured to the width of a public staircase is often tough on its own, but that is vertical! 3/8 inch ) or less ) stairs, open risers are restricted 16... Contacting our design team directly to discuss the matter 38 inches and as you pass down a and...

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