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How To Properly Tension A Shade Sail

This guide explains the importance of properly tensioning a shade sail.
Find out how to perform this operation in the best possible way, without too much effort, and the benefits obtained in case of rain.

You will find technical details on the direction of tension and information on the adjustment of the webbing of Saill and Solaria sails.

The importance of correctly tensioning the sails

A correct tensioning of the sail is essential to obtain an impeccable aesthetic result and optimal performance in terms of resistance to wind, rain or hail.

Correct tensioning is one of the most important factors during assembly.

The advantages of a well mounted sail are:

  • better wind resistance (it does not tear and does not strike the anchors)
  • no water accoumulations in the center (waterproof sails)
  • lower risk of tearing
  • greater longevity of the sail and anchors
  • cleaner aesthetic result
  • the fabric gets less dirty
  • better drainage (even the shade sails, if properly tensioned, drain some water!)

The shade sails and Maanta anchors are very robust and have been specially created to withstand very high tensions . We know well that our anchors are not the cheapest but we have specially designed them to allow lasting and solid tensioning, unlike many others.

Our advice: “Tension your sails as much as possible”! The optimal tension can reach up to 45kg on each corner.

Optimal behavior in case of rain (waterproof sails)

In the event of rain, a loose shade sail can collecting in a short time a very large quantity of water.

The weight of the water can tear the sail, damage the anchors and damage underlying furniture!

If the sail is taut correctly and at least one angle is tilted by approx. 1 m, rainwater can flow easily, guaranteeing absolute impermeability.

Wind resistance

A waterproof sail wchich is non not taut correctly can flatter dangerously in windy conditions, transmitting shocks and vibrations to the anchors.

The waterproof sail is likely to tear and the anchors are exposed to even a lot of stress strong that can damage them.

The tighter a sail is, the more it can "cut the wind ". The fabric stays still, it does not vibrate and does not transmit the force of the wind to the anchors.

This also applies to the breathable shade sail , the more taut and the more its perimeter will cut the wind more effectively!

The perfect tensioning of the sails guarantees optimal resistance to the wind:

  • waterproof sails: up to 51-62 km/h
  • breathable sails: up to 55-65 km/h

Maanta recommends the Muscle x3 system

We recommend tensioning each corner of the sail with a force of at least 45 kg.

The fastening and tensioning kit Muscle x3 was specially developed by Maanta to professionally tension every shade sail. The essential components of this cable system are: 2 shackles for anchoring the sail, 2 pulleys and 4 m of sail rope.

The mechanical advantage of the pulleys triples the force exerted on the sail. By applying a force of 20kg to the rope, the sail is tensioned with a force of 60kg!

Muscle x3 is available in the following kits:

  • Wall mounting kit Muscle x3 with plate for wall mounting
  • Muscle Pole (additional set for masts)
  • The Muscle x3 kit is always included in the Ulisse and Alu-Simple poles

Adjust the Saill / Solaria sails with the adjustable webbing

Our Sail / Solaria sails are manufactured with an innovative and extremely effective tensioning system.
The perimeter webbings are attached to the corner plates with adjustable buckles.

  • By releasing the tension on the circumferential webbing, the tension reaches the center of the sail.
  • By increasing the tension (tightening) of the webbing, the center of the sail receives less tension.

Practical example: The middle of the sail is not tight enough, the sail sags. In this case it is necessary to loosen the straps and retighten the corners of the sail. The tension now directly reaches the center of the sail.

The direction of tension

We recommend always pointing the tension towards the center of the sail.

Correct positioning of the fastening points is essential (see graphic).

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