A common shade sail mistake you must avoid. How do you anchor a sun shade sail? This must be taken into account when positioning the poles. Horizontally (flat), where all corners are at the same height; Vertically, like a privacy fence; Or, where some corners are high and some low (like a "Hypar" design). So, under normal weather conditions, you don't need to worry about it, but they can be damaged by exceptionally strong winds. Start by drilling into the post, using the same size drill bit as your eye lag screws or eye bolts. What about three-sided sails? The 2% fall or slope is required for hardscape surfaces such as pavers, wood, concrete, gravel, or other materials. While there are no set prices for custom made shade sails, there are, of course, set prices for store-bought and DIY shade sails. Many drains either have too little slope or too much slope. A large slope looks great, giving the appearance of multiple sails in some cases and also allows for water run-off. The 2018 International Residential Building Code (the gold standard for most states across the country) requires a slope to fall at least 6 inches or more within the first 10 feet of a paver patio. There is no code on how much the slope should be. The equation for slope is: y = mx + b\ n Where y is the height in feet above ground, m is the slope in degrees, and x is the distance from the start point to the . The wall anchor consists of plates available in either galvanized or stainless steel, equipped with an eyelet to connect the sail corner. Once the sail is in place, pull the rope tight at each corner and tie off the loose ends. Slope of a patio cover can also be adjusted for a larger slope if you are following your roofline, for example. If your low points of attachment were 2.2 metres then you'd want the high points of attachment to be 3.1 metres above ground (i.e: 2.2 + .9 = 3.1). To install the sails, we pull the sail by hand until it is about 6 from the anchoring point. Sail tension is key and paramount for safety, longevity and water runoff. The gaps in the mesh are small and in a gentle shower the run-off feature of the mesh, having being installed with a slope, may mean you do not get wet but in heavier downpours, water will come through the mesh like a sieve and run down both the outside and underside of the material. Once you get over a 15m span, heavier duty fittings are required, which adds to cost. What is the minimum slope for a 3 PVC? If you live in a warmer climate, you may want to consider the 87% green or 87% grey. Sail Design Large span sails can increase the price of your project. Weekend work or Holiday's are billed out at time and or $156.00 per hour based on an 8 hour work day. That's right, it is possible to have too much slope in your drain lines. Shade sails are sometimes know as shades sail, shade sales, sails shade, sun sail and sun sails shade. How much fall should a shade sail have? We suggest a high amount of slope, a minimum of 30% between points. How much should I slope my shade sail? If using timber poles it is advisable to use treated timber. Post Requirements For Mounting Shade Sails How deep do shade sail posts need to be? The correct patio slope will help keep water from sitting on it or backing against your house. In other words, your drain line drops down by 1 foot for every 100 feet of pipe. Our sail was made from a pre-constraint top grade vinyl (Ferrari) with a 10 year guarantee. For 5M or larger shade sails dig footing holes 400mm square and 1200mm deep. They may be the perfect solution for your shade needs. Because of these reasons a sail with a minimum of four sides is recommended. A lot of people wonder how much slope a parking lot should have. Custom Made. You need to measure the calculated slope from the string tied at the drainage end of the patio. Foundations Concrete Concrete should be well packed down around the post and sloping slightly outwards at the top to ensure water does not collect around the post. Flat sails must be canted adequately, 1:4 slope is recommended. An awning can provide shade and shelter from the sun, wind, and rain. We recommend securing the sail at a maximum of 3 feet from the anchor point. . You can easily head into your local home improvement warehouse and purchase shade sails for as little as $29.00, however, you are very limited in terms of colour, size and . The minimum pitch for a roof is 1/4:12, which translates to 1/4 inch rise to 12 inches of run. May 6, 2015 at 8:54 am. A properly mounted and tensioned shade sail will have approximately 150-400 pounds of edge tension. Learn the difference between a Hypar and a Triangle Shade Sail in our handy guide. Keep in mind that the slope should be at least 1 inch for every 8 feet of the paver patio. Try as you might, you won't be getting a twist out of a three-sided shade sail. What slope should a deck have? A 4:1 mechanical advantage makes tensioning your sail a breeze, and the take down is just as simple! If installing your shade post into soft ground firstly pour a 100mm depth of concrete and let it set completely. Decks with properly gapped decking boards require no slope as rain will naturally run off the boards even when level. Add a gravel bed, 100mm in depth. We recommend that shade sail poles are installed with a 5 lean out away from the centre of the sail (direction of pull). The slope should be measured at a 45-degree angle from the vertical. Okay, why is that? Engineering Considerations For the top we used 1 x 4 boards spaced 4" apart for 50% shade. Too much slope can be a safety hazard, and too little slope can make it difficult to use the patio. Our rule of thumb is 1:5. 15% of 6m = 900mm. The first step is to clear and dry the around the hole. A large slope looks great, giving the appearance of multiple sails in some cases and also allows for water run-off. The slope of a shade sail should be approximately 30 degrees. The answer is it depends if the deck is solid or not. Wind loads from 5-15 lbs. In a typical outdoor installation of a sail with a surface area of up to 25m2, a tension of 30-60Kg will be required at each corner. If you are considering installing a patio cover or aluminum awning, you will want to have a minimum of " slope per foot projection. OK I like 3/16 max when I do outside concrete treads. And very affordable - installed from just $1495 for a small sail. . Have a look at this shade sail. Long-term loading will stretch the fabric. Learn how to install a shade sail with pulleys here. Blog / Shade sail Engineering. So for for a patio that extends X feet away from your house, you would need a drop of 1/4 of X, but in INCHES. The most common application for shade cloth is backyard shade - over a deck, gazebo or pergola. How much slope should a sewer line have? The suggested slope is 1/4 inch every foot. If we do we will put shade cloth over the entire thing. To help you visualize the Sails, you can also use string stretched between your planned attachment points. The awning hanger hinges to allow for . It cost approximately $550, plus hardware: 3 x stainless steel eye bolts @ $10. You will want to use an all purpose cleaner and a soft bristle brush. We charge $15 a perimeter-foot for fabrication. The owner's requirements will determine the height. A triangle-shaped sail will indeed offer less shade than a square, but on the other hand, three-sided shade sails are more spatially flexible and can fit into more compact locations with more ease. If you have a retractable awning installed over your deck, you may be able to easily adjust the pitch to block the sun's rays according to the season and time of day, but this may also affect the ideal . Less than 100lbs at most. On the other hand, the maximum slope you should have on your . Here is a pic of the roof after the ice storm a couple weeks ago to give you the idea. This initial tension will increase in windy conditions by as much as ten times so the fittings and mounting points must be able to withstand very large forces. The sail should have no sag or droop and you should pretty much be able to hang off it or even sit on it (do not do this, this is just for description purposes!). the sail, you should allow a space between the corner of the shade sail and the mounting point that is at approximately 10% of the shade sail's length. Hyperbolic and "High Point" shaped sails should have height difference that create a minimum 1:4 slope from high to low fixing points. I need stairs or stair design for exterior wood stairs rising to 108 1/2. We will help you choose the best sail design for your outdoor space. Scott Cam's instructions for erecting a shade sail are in the November edition of the Burke's Backyard magazine, available at newsagents for $4.80. Then we use a small ratchet strap to pull the sail tight. 1/4 (or 1/8) inch = 1 foot. Like our turnbuckles, pulleys are great for shade sails within our standard size range. Shade Sail Billing Rates. See more. For this application, our most popular product is the 65% Ultra Tan. Use eye lag screws for wood or eye bolts for metal. For example, for a 20ft sail, you could go 5-4ft difference between posts. Patios within 10 feet of a foundation must have a 1/4" per foot or 2% fall away from the building. A 1% slope on your drain line means that for every 1 foot that the pipe travels horizontally it drops vertically by 1/8 inch. There are a few factors that affect the amount of tension a sun sail shade should have, including the size and shape of the shade, the material it's made from, and the weather conditions. It's rather straightforward to replace a hole in a sail shade, and the cost is less than $6. Slope on Stair Treads. If our enjoy DIY projects, we can supply you with a custom designed DIY Kit with full instructions from just $975. How much wind can a shade sail withstand? For example, if one side of the shade sail has a length of 120 inches, allow at least 12 inches of space between the corner of the shade sail and the mounting point. How Much Slope Should A Parking Lot Have? For example, for a 20ft sail, you could go 5-4ft difference between posts. per square foot are typical. A solid deck needs to be sloped between a 1/8 (3mm) and " (6mm) per foot to encourage water drainage. Before you begin, remove any plants, soft soil, and rocks. How much pitch should a lean to roof? We hope we won't get any burned hostas from the bright spots. This is the minimum to start getting the 3 dimensional effects and more slope looks and performs better Sails should not be allowed to stay up in the event of snow. Monotec 370; Shadetec 320; Ferrari 502; . That is, 1' of height variation for every 5' of span. Ultimately - Sails generally are designed to withstand up to 85 mph winds. Position post and add the required amount of concrete. If the shade sail is secured to . On the low end, sails plus installation could cost $1500 to $2000. Sloping Shade Sails. A note about store-bought & DIY shade sails. 1 Drilling the wall Locate the fixing points and drill the wall with a 12 drill bit. The ideal slope for a patio is 1 inch of slope for every 10 feet of length. Of course, last year we did an installation at High Tech High in Chula Vista, and . Also allow for maximum tensioning at the corners if they're not taught, they will wear quicker in the wind and you'll experience slack in the shade sails. 1. The shade sail should be installed with some slope or incline, at least 1:6, with the slant flowing water away from the building or structure to prevent flooding and pooling water. Your structure height can also impact the cost - generally the higher the structure, the higher the wind load it attracts, which can get more expensive. For instance, a 16-foot patio will require 2 inches of the slope while a 12-foot patio will require 1 1/2 inches of the slope. A larger shade will need more tension than a smaller one. The only exception is if a paver patio is going to be installed within 10 feet of the building. Post #4340383. Take an SS-15 for example: the approximate 15' spans call for 3' of height variation. Always choose high-quality shade sails and proper installation. Typically, turnbuckles or pulleys are used to create tension between the anchor point and shade sail. Install an eye lag screw or an eye bolt at the height you want to hang the sails. The space to be covered must always be at least 2 feet larger than the sail we want to install (1 foot for each corner) Example: A sail with the dimensions 13 x 13 ft . Well, the answer depends on a lot of things, but one of the most important is how much traffic is coming down the hill. The first step is to measure. Footings for posts for shade sails up to 5m should be 400mm square and 800mm deep and this should increase to 400mm x 1200mm for larger sizes. Second apply a strip of awning repair tape in a square around the hole. This is the reasoning behind our 7' and 10' standard poles. Then make a scale drawing of the area you want shaded. January 5, 2014 by webmaster. A metal post or pole used for a shade sail should have a diameter of at least three inches and a gauge of 12 or better for rigidity and strength. The shadesail is sagging badly in the centre and this particular sail has gotten to the point that it has sagged so badly that the centre is rubbing on the top of the play equipment and this has caused it to wear a hole in . If you have a 10-foot patio, then your drop will be 2.5 inches. It's a problem that we see often. Shade sail posts need to be at least 18 inches deep in order to provide adequate support. Shade sails are manufactured to withstand certain wind speeds. To each side of the sail we must therefore add from 2 to 6 feet of distance for the anchoring systems. 2) Sun shadow The direction of sunlight varies, not only during the day but also from season to season. Size of the shade sail (s); Strength of existing structures intended to be anchor points; Ability to insert suitable fixing posts; Location of barbecues; Sun direction; The size and shape of the sun sail shade will affect how much tension it needs to stay in place. For a 3M size shade sail dig footing holes 400mm square and 800mm deep. Other popular applications: 30% Shade . How tight should my shade sail be? A general rule is the shade sail will begin about 12 inches away from your anchor point. Then cut out scale drawings of the ready-made shade sails. A lot of people think that a lot of slopes will create more traffic, but that's not always the case. We say tighten until you think it is tight then tighten some more! June 1, 2022. The bottom line is that: The 2021 International Residential Code (IRC) Section 309.1 stipulates that a garage floor must slope towards the garage door or a drain. If using steel poles it is advisable to have a galvanised coating to prevent rust. Remove shade sail(s) in harsh weather. When we do this we will leave the turnbuckles open as far as it goes when the sail is set up. But how much slope should an awning have? The patio must have a consistent surface for laying on. This is called the pitch of the awning, and many people angle the pitch of their awnings to provide the optimal amount of shade from the sun. Travel Rates are based on work outside California and are billed on a 24 hour continuance with an 8 hour work day . However, depending on other conditions, it may range from 1/8 to 3/8 inch each foot. The minimum slope you should have on your drain pipe however should be 1%. . It is generally accepted that 1/4 per foot of pipe run is the minimum for proper pitch on a sewer line. We suggest a high amount of slope, a minimum of 30% between points. How much slope should a shade sail have? Screw the eye lags or bolts into place. Place 3 inches of gravel into the hole, place the post on top, and then fill the rest of the hole with quick-set concrete. Tip it slightly away from the center of the sail; use a level to position . As such, we'd recommend taking your shade sail down if there's a storm coming. There will be a landing at approximately 35=-. Working Hours are billed out at $104.00 per hour based on an 8 hour work day Monday through Friday. But is there a code saying you need pitch on treads in N?? 2 Chemical anchor When designing your shade sail it is important to consider the path of the sun, to determine the best place to position your shade. The rule of thumb is that you should have a quarter-inch drop for every foot of length. A good guy system and some 1-1/2" - 2" aluminum pipe will be sufficient. If the shade is parallel to the water the load will be very small. One source specifically . Also popular are the 60% green, 50% white and 80% black. If you want to create more dramatic effect, then increase the percentage of variance, say up to 20%. A wooden pole should be three inches or more in diameter for a small sail and six inches for larger sails. A simple slope doesn't answer all of the issues of a flat design, the fabric can still sag over time and . This allows for your patio cover to have proper drainage. Then the final adjustments with the turnbuckles can be done. Rinse and let it fully dry before proceeding. For standing-seam metal roof panel systems, a 1/4:12 minimum roof slope is prescribed. Between 1-2% is considered as the best practice and will ensure good drainage. Part 3Attaching the Sun Shade. Below are the 4 steps for installing the wall plate. For example, lets say the longest edge to your shade sail was 6 metres. Shade sails are not intended to support snow loads. Thomas. However, you can only use this pitch with built-up roofing or specialized synthetic roofing. 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