Premdor's new range of FSC Scandinavian Redwood windows are available in a wide range of styles and specifications. Premdor's timber windows are an investment that can last a lifetime, the window and door manufacturer claims; this is why all of its products are factory finished as standard, surpass UK Building Regulations and are supported by a series of performance guarantees, it explains.<br> <br> All standard casement windows are glazed, fully finished and carry an A-energy rating as standard, Premdor says. Embodying the elegance of the late Georgian era, Premdor's vertical sliding sash window range combines traditional styling with modern energy efficient manufacturing techniques.<br> <br> Latest introductions to the range include a dual turn range incorporating fully concealed top hung reversible hinges working with independent sashes which allow maximum flexibility, Premdor says. These windows incorporate concealed ventilation and 22mm low E argon filled double glazed units.<br> <br> Additionally, slide and tilt ranges are extremely versatile and solve the problem of safe cleaning and maintenance by tilting inwards for ease of cleaning, says Premdor. Sashes are hung using pre-tensioned spiral balances allowing for "fingertip" control.<br> <br> With a comprehensive range that includes Cottage, Georgian, Horizontal Bar, plus an extensive selection of bay …