A thermal acoustic insulation system comprising a plurality of insulating layers disposed within a covering of: (i) an exteriorly facing fire barrier laminate comprising: at least one non-fibrous fire barrier layer directly or indirectly coated onto at least one first polymeric flame propagation resistant film layer; at least one second film layer proximate to the non-fibrous fire barrier layer opposite the first polymeric flame propagation resistant film layer; at least one scrim layer disposed: (i) between the non-fibrous fire barrier layer and the first polymeric flame propagation resistant film layer; and/or (ii) between the non-fibrous fire barrier layer and the second film layer; and/or (iii) proximate to the first polymeric flame propagation resistant film layer opposite the non-fibrous fire barrier layer; and/or (iv) proximate to the second film layer opposite the non-fibrous fire barrier layer; optionally, a water-repellant material incorporated into and/or applied to the non-fibrous fire barrier layer; optionally at least one adhesive layer adhering the non-fibrous fire barrier layer to the first polymeric flame propagation resistant film layer; and optionally at least one adhesive layer adhering the scrim layer to at least one of the non-fibrous fire barrier layer, the first polymeric flame propagation resistant film layer, or the second film layer; wherein the non-fibrous fire barrier layer comprises at least one inorganic platelet material, optionally at least one organic binder and/or inorganic binder, and optionally at least one functional filler; and wherein the fire barrier laminate has a basis weight of 80 gsm to 120 gsm; and (ii) an interiorly facing inboard cover film different from the exteriorly facing fire barrier laminate, wherein the interiorly facing cover film consists essentially of a polymer film. (i) an exteriorly facing fire barrier laminate comprising: at least one non-fibrous fire barrier layer directly or indirectly coated onto at least one first polymeric flame propagation resistant film layer; at least one second film layer proximate to the non-fibrous fire barrier layer opposite the first polymeric flame propagation resistant film layer; at least one scrim layer disposed: (i) between the non-fibrous fire barrier layer and the first polymeric flame propagation resistant film layer; and/or (ii) between the non-fibrous fire barrier layer and the second film layer; and/or (iii) proximate to the first polymeric flame propagation resistant film layer opposite the non-fibrous fire barrier layer; and/or (iv) proximate to the second film layer opposite the non-fibrous fire barrier layer; optionally, a water-repellant material incorporated into and/or applied to the non-fibrous fire barrier layer; optionally at least one adhesive layer adhering the non-fibrous fire barrier layer to the first polymeric flame propagation resistant film layer; and optionally at least one adhesive layer adhering the scrim layer to at least one of the non-fibrous fire barrier layer, the first polymeric flame propagation resistant film layer, or the second film layer; wherein the non-fibrous fire barrier layer comprises at least one inorganic platelet material, optionally at least one organic binder and/or inorganic binder, and optionally at least one functional filler; and wherein the fire barrier laminate has a basis weight of 80 gsm to 120 gsm; and at least one non-fibrous fire barrier layer directly or indirectly coated onto at least one first polymeric flame propagation resistant film layer; at least one second film layer proximate to the non-fibrous fire barrier layer opposite the first polymeric flame propagation resistant film layer; at least one scrim layer disposed: (i) between the non-fibrous fire barrier layer and the first polymeric flame propagation resistant film layer; and/or (ii) between the non-fibrous fire barrier layer and the second film layer; and/or (iii) proximate to the first polymeric flame propagation resistant film layer opposite the non-fibrous fire barrier layer; and/or (iv) proximate to the second film layer opposite the non-fibrous fire barrier layer; optionally, a water-repellant material incorporated into and/or applied to the non-fibrous fire barrier layer; optionally at least one adhesive layer adhering the non-fibrous fire barrier layer to the first polymeric flame propagation resistant film layer; and optionally at least one adhesive layer adhering the scrim layer to at least one of the non-fibrous fire barrier layer, the first polymeric flame propagation resistant film layer, or the second film layer; wherein the non-fibrous fire barrier layer comprises at least one inorganic platelet material, optionally at least one organic binder and/or inorganic binder, and optionally at least one functional filler; and wherein the fire barrier laminate has a basis weight of 80 gsm to 120 gsm; and (ii) an interiorly facing inboard cover film different from the exteriorly facing fire barrier laminate, wherein the interiorly facing cover film consists essentially of a polymer film.