Deanta's Oak Prefinished Door Linings come in 2 popular standard sizes. 108mm deep and 133mm deep, to cover most standard wall thickness designs. Supplied prefinished, to match Deanta's internal door finishes, these linings are finely finished, and well engineered to give you the best in Door Lining Quality. These sets are supplied with loose pin stops as standard. All FD30 options are supplied complete with 15mm x 4mm intumescents.