THETFORD SERVICE DOORS. Easy to install, can be fitted either vertically or horizontally, in the outside wall of the body. A step by step installation manual is provided together with a template for cutting the wall and door centre core panel. The section of wall cut out to fit frame is trimmed down and fitted into centre of door. This ensures door centre panel matches any body colour styling. Add colour code to end of code. Colours available : W= White K=Black LG=Light Grey or CW=Cream/White.