Find the right tread and rise for your outdoor steps: Build steps that won't trip you up. Document M of the Building Regs recommends an ideal of 150mm to 170mm. high (150 mm) ... and compact again to lock the second riser in place. steps into a low retaining wall. 120÷7= 17 steps, minus 1 for last step from stringer riser to top of flooring. x 10-1/4 in. Steps and riser height. (12½”). The riser should be a maximum 150mm, and you want to distribute the overall height of the steps evenly between each riser. Cinder blocks are 8 x 8 x 16, not even close to the 9x9 inches mentioned. Garden Railway Sleepers. Width. The other two sides of the frame will vary depending on the curve of your stairs (for example, the lengths on the outer edge of the curve will be longer than those on the inner edge). Landscape steps can also be used where they would make for easier access along a steep area. All I can say is that the rule is true, and I’ve used it from steep canyon faces to gentle changes of patio levels. Make sure the top tread is level with the surrounding ground. 10:19 am #1. At a riser height of 5 1/2" the stair will be at a "critical angle" where a ramp would be more appropriate. by Liliana. If your steps are too shallow or too deep they will be uncomfortable or difficult to walk up. We used a stair width of 1200mm. Step riser height uniformity (<= 3/8" variation) - this means that more than 3/8 of an inch in variation of the height of steps from one step to another is a tripping hazard. See more ideas about garden steps, garden stairs, outdoor steps. the height of the riser will depend on the material being used. Like. The tread should be as wide as practicable, but never less than 280mm; personally, we design steps with a minimum tread of 300mm, although 450mm is much more comfortable for users. Reply. These are nailed together and fastened to stakes anchored in the ground and to the structure to which the steps are to be attached. Height and Width. Apr 22, 2014 - Stairs should be consistent in riser height and tread depth. Patio steps should be at least 4' wide to allow two people to stroll comfortably beside each other and even pause to sit on the steps while they enjoy the surroundings. Landscape & Garden Design. On steep grades, slopes or in hillside landscaping, risers will have to be near the maximum height, although rarely on outdoor garden steps should they exceed 7 inches. Strip away any turf in the marked-out area with a spade. A useful corollary states that 5 feet is the minimum width for two people climbing steps side by side. 5/08/2012. Calculate the actual step riser height for your stairs: with a 29 inch rise we figure, starting with an ideal riser height of 7" that we have 29 / 7 = 4 steps (4 x 7 =28) and to be more precise, each step will be 29 / 4 = 7.25 or 7 1/4" high. The rise of your steps is calculated by taking the height from floor to the top of beam and adding your coping thickness. Share. The riser (the vertical part) should be about 190 mm. Light and easy to manipulate, this stair frame is quickly installed. Calculate the stair horizontal run distance: Liliana. Not all steps have a nosing, but when present, the nosing is included in the length of the tread. Riser Max 190mm & Min 115mm (Height) Going Max 355mm & Min 240mm (Depth) ... that means in your case you would need two steps that equal in height and depth. Share. When designing garden steps, it works well if the height of the riser multiplied times two, plus the depth of the tread equal between 24" and 27". Divide this by the number of steps. 1. Risers you really want to stay at a height of about 150mm – 165mm (6” – 6½”) This will conform with the standard building code that will be safe for everyone to walk up and down. I checked further into the above stair formula and found that it only applies at a riser height of 7" or greater. Chuck June 26, 2018 at 10:25 am . high (190 mm) AB Junior = 6 in. Divide the vertical height by your riser height and use the tread-riser combinations chart to find the tread length you need. The minimum width for porch steps is 36 inches, but 48 to 60 inches provides more comfortable access. Apr 22, 2014 - Stairs should be consistent in riser height and tread depth. The accepted minimum riser height for a patio step is 4 inches and not higher than 7 inches. Apr 22, 2014 - Stairs should be consistent in riser height and tread depth. If you have a water depth of 36", plus 3" tile above water, plus 4" coping gives you 43". Make sure the riser is vertical – use the mortar layer to adjust for the slight drainage slope on the tread. Minimum and maximum dimensions and ratios are given, along with the maximum number of steps you can have in a flight. The minimum stair riser is 5". Whatever the reason, unless you’re dealing with a site that’s as flat as a pancake, steps are a critical part of garden making. The average height of a stair step in the United Sates is 7 1/2 inches, but safe and comfortable stair dimensions should be determined based on a number of factors including how long the step is, how much space the staircase should take up and … On gentle grades the risers of garden staris need to be lower and, therefore, the treads deeper as shown. As a rule, patio steps are wider and broader than standard residential steps. Build the next riser on the back edge of the first tread. In buildings, step tread widths (the 'going') and heights (the 'riser') are dictated by the Building Code of Australia (BCA). Softwood 4 step Deck riser (L) 1090mm - B&Q for all your home and garden supplies and advice on all the latest DIY trends Riser height and tread depth should be of a uniform height within a tolerance of ±5mm, in one flight. Liliana. That means that if the riser is 5 inches, the tread (what you walk on) should be 16 inches. Start by marking the ground where the steps are going to be built. So if I have 600mm overall height along my railway sleeper steps, I'll probably build four risers. Each geographical location city or county require certain materials, riser height usually around 9 inches up and 9 inches in towards the riser. Made a set of steps with two cement slabs 2ft square and supported the back of the slabs using a brick where the slabs came together. Or call us with your query on 0800 896 500. For a 6" riser a comfortable tread would be 13 1/2". A layout on stringer would have 16 risers, so don't forget on your bottom step to subtract the tread thickness (if using 2x12, you would subtract 1 1/2" from first riser, making it 5 1/2" instead of 7"). A riser of less than 75mm is more of a 'trip' than a 'step', and anything greater than 225mm is a bit of a challenge. STEP 14. Most stairs are between 900mm – 1100mm wide, for comfortable use. The material you are using may dictate the height of the riser, so decide on the type of step before you start, and work out what height your riser … Two: building codes.