Our doors combine the very best in style, security and energy efficiency at an unbeatable price. Frame made of high quality plywood. Filling with foamed polystyrene. IMPROVED WITH HIGH QUALITY ANTI-CORROSIVE LAMINATED SHEET Resistance to UV radiation- HIGH QUALITY German PVC RENOLIT VENEER WITH 3 YEARS MANUFACTURE WARRANTY . Brilliant sound proofing quality. A range of door and glass designs available. Should you need any further information, please do not hesitate to email us.