These Corsica Light Grey Glazed 1 light Internal doors are manufactured using a colour impregnated real wood veneer, which is then sprayed with a clear stain lacquer to bring out the natural beauty in an open grain. The 35mm standard doors have a semi solid construction giving them a weighty feel, whereas the 44mm FD30 is manufactured using a solid particle board core making them truly heavyweight. The doors have V grooves painted light grey to bring out the real wood veneers on the door faces themselves. The 35mm doors have a 10mm solid lipping down each side whereas the FD30 44mm thick doors have an 18mm lipping allowing them to be trimmed more. Supplied fully factory decorated in a clear stain lacquer. The Corsica Grey Glazed 1 Light door is supplied with clear toughened glass as standard.