There are various, extremely important considerations when planning your voile d’ombrage structure. Proper planning will assure that your toile d’ombrage structure performs in the way it turned out intended.

The SunÕs Movement

The sun rises daily inside east and sets to the west. As the seasons progress, what’s more, it moves from low in heaven during the cooler months to full of heaven during summer. Your voile dÕombrage structure ought to be planned to offer maximum shade protection during the height of summer because this is when it will likely be needed most.

Understanding Sail Design

Voiles dÕombrage work best when meant to use a ÒtwistÓ, or architectural hypar effect. This is how the fixing points, being steel posts or brackets, are created at different heights, such that the sail is then twisted in order to fit. A flat sail is harder to tension correctly, and may catch and hold water for long durations, thus putting excess load pressure about the fixing points. Further, they are less interesting.

The Size Of The Sail

As a way to fully tension the voile dÕombrage or shade sail, it requires an area between sail and fixing points for rigging tensioners, and in addition catenary curves inside sides with the sail. As a general rule, your sail begins about 300mm out of the fixing point, even though this varies according to the size your sail.

How To Fix To An Existing Structure

Care is key when thinking about fixing to an existing structure, such as your house. In cases of poor weather and strong winds, the loads added to fixings through the sail are enormous, and should not be taken lightly. To make certain your existing structure is sufficient to handle such loads, you may have to consult a knowledgeable builder.

Steel v Timber Posts

We recommend you make use of steel or aluminum posts, and never timber posts, to your sail structure.

Post Footings

Required footing sizes vary dependent on the dimensions of the dwelling along with the height with the post out of your ground. A vintage conservative engineering principal is Ò1 third in, 2 thirds outÓ, which means posts out of your ground by 2.4m need to be no less than 1.2m into the ground. A good small movement of the footing can even compromise the chance to tension the voile dÕombrage, thus decreasing the longevity with the sail shade.

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