US Energy Reflective Foam Core Insulation Kit: Roll Size 48"x25' Includes 25' Foil Tape, Knife & Squeegee. Multipurpose Home Insulation For Your Building Project or Just Every Day Household Needs. MWS Reflective Foam Core Insulation Kit: Roll Size 48"x25' Includes 25' Foil Tape, Knife & Squeegee. Multipurpose Home Insulation For Your Building Project or Just Every Day Household Needs.