Why is Double Pulley Bottom Rail with constant tension spring operation recommended for most solar screen installations?

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Why is Double Pulley Bottom Rail with constant tension spring operation recommended for most solar screen installations?

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This system is suitable for all windows and particularly sloping windows as it provides sufficient tension to support the screen. By using guide pulleys, push button and cord clamp, a screen can be operated from a location 3 to 4 metres away from the window. This is particularly useful where there is no direct access to the bridge windows. Additional guide pulleys, cord etc can be supplied to suit a variety of situations.