Actually, you don’t. They don’t do much for you in this situation except create an awkward backfill scenario. Dig accurate holes and fill them up with concrete. An exception would be if you intend to have the footings protrude from the ground and actually need a form.
How strong do shade sail posts need to be?
Footings for your Shade Sail
All posts should be embedded in concrete footings with a minimum 20 MPa.
What post should I use for shade sail?
Quote from Youtube video: If you look back you can see that the poles are tipping in a little bit. And so we're going to replace these with steel posts the main reason to use steel poles is they don't sag over time they don't
Can you attach a shade sail to a fence post?
Can you attach a sail shade to a fence? Yes, we’ve seen sail shades successfully attached to both metal and wood fences, but only to the posts. The sail shade can create supplementary force on the fence post so you will want to reinforce it with additional concrete.
How much tension does a shade sail have?
Tension the Sail Fabric
A properly mounted and tensioned shade sail will have approximately 150 pounds of tension on it and will have few to no wrinkles. Most installations have the 1st corner is directly connected to the anchor point. Continue to connect the other points by stretching the corners tightly and attach.
Should shade sails be tight?
We say tighten until you think it is tight then tighten some more! 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!). Sail tension is key and paramount for safety, longevity and water runoff.
Can I use a 4×4 for a shade sail?
If your posts will actually be 12′ above ground, and they’re not supported with any sort of diagonal bracing, you will want 6x6s (or at least 4x6s). 4x4s will flex and bounce substantially at that height.
What do you do if your shade sail is too big?
How to Fix a Sagging Shade Sail. If your shade sail starts to sag, you can re-tighten it and bring it taught. One way to do this is by using a wire rope that runs through a pocket sewn in the perimeter of your sail. Simply pull the wire rope on each corner until the shade sail retightens and all sagging is removed.
Why do shade sails sag?
Without a wire rope around the perimeter, tension applied at each attachment point is not distributed evenly in the sail, creating areas of concentrated stress around the corners. This causes the center to sag and increases the risk of tearing at the corners.
Do shade sails stretch?
Sails can stretch and loosen up over time, but by getting in early you can keep yours firm and fresh. Check out our article on installing shade sails here for more information on getting started.
How long will a shade sail last?
about eight to 10 years
A shade sail will probably last about eight to 10 years. However, that can increase or decrease dramatically depending on the weather in your area. If the shade is often subject to high winds, it might deteriorate faster.
How much wind can a shade cloth withstand?
When it comes to wind, most shade sails are fabricated to withstand a minimum of 85 mph, three-second gusts.
Do shade sails hold up in the wind?
How much wind can a shade sail withstand? A properly installed, good quality shade sail should be able to withstand normal wind flow. Shade sails form a tensioned structure and they should not flap in the wind. Sails generally are designed to withstand up to 85 mph winds.
Can shade sails handle high winds?
Standard shade sails are actually porous. These shade sails will let the wind through, which means they will remain sturdy through most storms. If you have waterproof shade sails, they will also withstand high winds, when installed properly.
Are shade sails good in wind?
2. Can shade sails be used in windy locations? A good quality shade sail that is correctly installed will be able to withstand high winds. Shade sails are designed to form a tensioned structure; under tension the sail adopts a relatively solid shape and should not flap in the wind.