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Premdor has introduced the innovative Alpha System RP range, a reversible projecting window system. It uses a projecting and reversible hinge system, allowing windows to open through 170¦ for external cleaning within the dwelling, making this 'the ultimate timber window system for modern housing projects'. Alpha System RP windows are optionally available in environmentally accredited European redwood or hardwood materials.

Standard features include 24mm Low 'E' glazing units and ventilation.

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