Three Square Composite Door Options In the Picture 3 Square composite door, featuring chrome hardware and Stipolite glass. Set the scene with our modern 3 square composite door, choose the glazing and hardware you like to keep the neighbours talking, they will all want one of our secure, draught free composite doors. Take a peek at our Pdf brochure, save it and browse at your leisure, then contact us for a free measuring and quotationwith no obligation. Hardware Options Handles in black, chrome or gold. Door knockers in black, chrome or gold. Letterplates in black, chrome or gold. Available Glazing Patterns Contact Rotherham Composite Doors for more options..