A subsurface safety valve and method for sealing an annulus within a tubular, including a valve housing having a first section having a hollow cylinder for receiving a piston, the hollow cylinder having a first portion, a second portion and a first circumferential ledge; a piston positioned within the hollow cylinder, the piston having a first end, a second end, a first radially extending circumferential land positioned therebetween, and a first reservoir for receiving a first fluid; a biasing element to assist in placing the valve in a sealed condition, the biasing element positioned between the first circumferential ledge of the hollow cylinder and the first radially extending circumferential land; and a flexible sealing member for selectively sealing the annular space when a hydraulic force is exerted thereupon.