Pool liner perimeter assembly

A pool assembly comprising:

• (a) a main liner subassembly comprising a main liner sheet for lining the walls of a pool, and a main liner fastener at the top edge of the main liner sheet for fastening the main liner subassembly to a coping of the pool above a pool water level;
• (b) a secondary liner subassembly comprising a secondary liner sheet overlapping at least 15 inches of the upper portion of the main liner sheet and having a bottom edge that is attached to the main liner sheet, and a secondary liner fastener at the top edge of the secondary liner sheet, for fastening the secondary liner subassembly to the coping of the pool;
• (c) wherein the main and secondary liner fasteners are flexible clips for clipping into respective tracks of the coping, and wherein the secondary liner sheet is attached to the back surface of the main liner sheet such that an upper portion of the main liner sheet covers the secondary liner sheet and the secondary liner fastener.

A secondary liner for a pool liner assembly, comprising:

• (a) a secondary liner sheet for overlapping an upper portion of a main liner sheet of the pool liner assembly and having a bottom edge that is attached to a surface of the main liner sheet;
• (b) a secondary liner fastener at the top edge of the secondary liner sheet, for fastening the secondary liner to a coping of a pool;
• (c) wherein the secondary liner sheet is made of a vinyl material, and wherein the secondary liner fastener is a flexible clip for clipping onto a track of the coping, and wherein the secondary liner sheet is attached to the back surface of the main liner sheet such that an upper portion of the main liner sheet covers the secondary linear fastener and the secondary liner sheet by more than 15 inches.