Four Square Composite Door Options In the Picture 4 Square composite door, featuring chrome hardware and classic glass. A modern looking composite door which will appeal to those wishing to set the standard. Available in a huge range of colours, glass options with hardware of your choice. To take a look at all the options visit the links to our other pages or download our full composite door brochure. 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..