Combustor skin assembly for gas turbine engine

A combustor skin assembly for a gas turbine engine, the assembly comprising :

• a hot skin forming at least a portion of a wall of a combustion chamber of the gas turbine engine, the hot skin having an inner face exposed to the combustion chamber, and an opposite outer face;
• a receiving skin formed of sheet metal and having a securing portion affixed to the hot skin outer face in an air-tight manner, and a receiving flange extending from the securing portion, the receiving flange being offset away from the hot skin outer face to form a female recess between the outer face of the hot skin and the receiving flange;
• and
• a cold skin formed of sheet metal and having a cold wall portion spaced from the hot skin and forming a cooling cavity therebetween, a securing portion extending from a first end of the cold wall portion and affixed to the hot skin outer face in an air-tight manner, and a male flange extending from a second end of the cold wall portion opposite the first end, the male flange being snugly received in the female recess and forming a sliding engagement between the male flange and the female recess.