The invention comprises a lateral interface pipe repair device containing a housing with fluid sealable flexible walls dimensioned to fit within a main pipe and further comprising a first end and a second end wherein the first end and second end are held in fixed orientation by support rods and end plates external to the flexible housing. The device also includes a bladder mounting flange fluid sealably attached to the flexible housing wall, and a heatable and inflatable elastomeric bladder dimensioned to fit within the housing when the bladder is deflated and evertable through the bladder mounting flange into a lateral pipe when inflated.