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A construction for effectively fireproof sealing of the gap between the floor of a building and an exterior wall construction wherein the exterior wall construction comprises a curtain wall configuration utilizing an interior panel module design. The insulating system includes a supplemental insulat

A construction for effectively fireproof sealing of the gap between the floor of a building and an exterior wall construction wherein the exterior wall construction comprises a curtain wall configuration utilizing an interior panel module design. The insulating system includes a supplemental insulation belt positioned beneath the safing insulation and attached to the interior panel of a curtain wall construction to maintain sealing of the safing slot during exposure to fire and heat which can cause the interior panel to deform from heat warping to an extent beyond the capability of standard safing insulation for expanding in order to maintain a proper seal extending across the safing slot.

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I claim: 1. A building construction having a wall construction defining an interior wall surface, which includes an interior panel defining an interior panel surface and at least one floor defining an outer edge thereon spatially disposed from the interior wall surface to define a safing slot exten

I claim: 1. A building construction having a wall construction defining an interior wall surface, which includes an interior panel defining an interior panel surface and at least one floor defining an outer edge thereon spatially disposed from the interior wall surface to define a safing slot extending between the interior surface of the interior panel and the outer edge of the floor, wherein the improvement comprises a thermal insulating and sealing means for effectively thermally insulating and sealing of the safing slot comprising: A. a primary insulation of thermally resistant material positioned in the safing slot defined between the outer edge of the floor and the interior panel extending over the interior surface of the wall construction to thermally insulate and seal the safing slot defined therebetween, said primary insulation including; (1) an inner primary end surface positioned in abutment with the outer edge of the floor for sealing thereadjacent; (2) an outer primary end surface positioned in abutment with the interior panel extending over the interior surface of the wall construction; (3) a lower primary facing surface extending between said inner primary end surface and said outer primary end surface and facing downwardly therebetween; B. a supplemental insulation of thermally resistant material attached to the interior panel of the wall at a position immediately below said primary insulation and in abutment with said lower primary facing surface thereof, said supplemental insulation being movable along with the interior panel of the wall to maintain insulation in abutment therewith and to facilitate maintaining complete insulation across the safing slot; and C. a supplemental attachment means for attaching of said supplemental insulation to the interior panel positioned thereadjacent to facilitate movement of said supplemental insulation along with the interior panel of the wall and maintain insulation thereadjacent for extending completely across the safing slot. 2. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said primary insulation and said supplemental insulation each comprise thermally resistant flexible material to facilitate placement thereof into the sating slot adjacent one another. 3. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said primary insulation and said supplemental insulation each comprise thermally resistant flexible mineral wool material to facilitate placement thereof into the safing slot adjacent one another. 4. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said outer primary end surface of said primary insulation is initially positioned in abutting contact with and unattached to the interior surface of the adjacent interior panel. 5. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said supplemental insulation is positioned in abutment with said lower primary facing surface of said primary insulation within the sating slot and is attached to the interior panel and extends across the safing slot toward the outer edge of the floor thereadjacent without being attached thereto. 6. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said supplemental attachment means comprises: A. at least one pin extending through said supplemental insulation and being attached to the interior surface of the interior panel; and B. at least one nut secured to each of said pins adjacent said supplemental insulation at a position oppositely disposed from the interior surface of the interior panel for facilitating attachment of said supplemental insulation to the interior surface of the interior panel immediately below said primary insulation and in abutment with said lower primary facing surface thereof. 7. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 6 wherein each said pin comprises a weld pin and wherein each said nut comprises a cap nut. 8. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said supplemental insulation comprises a band of supplemental insulation extending longitudinally along and in abutment with said lower primary facing surface of said primary insulation. 9. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said supplemental insulation is initially compressed against said lower primary facing surface of said primary insulation when attached to the interior panel adjacent said lower primary facing surface to facilitate maintaining of abutment therewith responsive to thermal deforming movement of the interior panel. 10. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 further comprising an outer fire retardant coating placed across said primary insulation means and the adjacent portions of the interior panel and the floor located thereadjacent. 11. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 further comprising an inner fire retardant coating placed across said supplemental insulation means and the adjacent portions of the interior panel and the floor located thereadjacent. 12. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said supplemental insulation of thermally resistant material is attached to the interior panel of the wall at a position immediately below said primary insulation and in abutment with said lower primary facing surface thereof and wherein said supplemental insulation extends outwardly from said interior panel toward the outer edge of the floor. 13. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 12 wherein said supplemental insulation extends outwardly from the interior panel toward the outer edge of the floor to a position below said primary insulation at a position spatially disposed from the outer edge of the floor thereadjacent. 14. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 1 wherein said primary insulation is in direct abutting engagement with respect to the outer edge of the adjacent floor and is positioned extending from the upper surface thereof of to an intermediate position defined downwardly therealong within said safing slot. 15. The improved thermal insulation and sealing means for effectively thermally insulating and sealing of a safing slot as defined in claim 14 wherein said supplemental insulation is positioned in abutment with said lower primary facing surface at said intermediate position within the safing slot, and wherein said supplemental insulation extends downwardly from said intermediate position to a position below the safing slot. 16. A building construction having a curtain wall construction defining an interior wall surface, which includes an interior panel defining an interior panel surface and at least one floor defining an outer edge thereon spatially disposed from the interior wall surface to define a safing slot extending between the interior surface of the interior panel and the outer edge of the floor, wherein the improvement comprises a thermal insulating and sealing means for effectively thermally insulating and sealing of the safing slot comprising: A. a primary insulation of thermally resistant flexible material positioned in the safing slot defined between the outer edge of the floor and the interior panel extending over the interior surface of the curtain wall construction to thermally insulate and seal the sating slot defined therebetween, said primary insulation including; (1) an inner primary end surface positioned in abutment with the outer edge of the floor for sealing thereadjacent; (2) an outer primary end surface positioned in abutment with respect to the interior panel extending over the interior surface of the curtain wall construction and unattached to the interior surface of the adjacent interior panel; (3) a lower primary facing surface extending between said inner primary end surface and said outer primary end surface and facing downwardly therebetween; B. a supplemental insulation of thermally resistant flexible material attached to the interior panel of the curtain wall at a position immediately below said primary insulation and in abutment with said lower primary facing surface thereof, said supplemental insulation being attached to the interior panel and extending across the safing slot toward the outer edge of the floor thereadjacent without being attached thereto, said supplemental insulation being movable along with the interior panel of the wall to maintain insulation in abutment therewith and to facilitate maintaining complete insulation across the safing slot; C. a supplemental attachment means for attaching of said supplemental insulation to the interior panel positioned thereadjacent to facilitate movement of said supplemental insulation means along with the interior panel of the wall and maintain insulation thereadjacent for extending completely across the sating slot, said supplemental attachment means comprising: (1) at least one pin extending through said supplemental insulation and being attached to the interior surface of the interior panel; (2) at least one nut secured to each of said pin adjacent said supplemental insulation at a position remotely positioned from the interior surface of the interior panel for facilitating attachment of said supplemental insulation to the interior surface of the interior panel immediately below said primary insulation and in abutment with said lower primary facing surface thereof; D. a outer fire retardant coating positioned extending across said primary insulation and the adjacent portions of the interior panel and the floor located thereadjacent. 17. A building construction having a curtain wall construction defining an interior wall surface, which includes a metal interior panel defining an interior panel surface and at least one floor defining an outer edge thereon spatially disposed from the interior wall surface to define a safing slot extending between the interior surface of the interior panel and the outer edge of the floor, wherein the improvement comprises a thermal insulating and sealing means for effectively thermally insulating and sealing of the safing slot comprising: A. a primary insulation of thermally resistant flexible mineral wool material positioned in the safing slot defined between the outer edge of the floor and the metal interior panel extending over the interior panel surface of the curtain wall construction to thermally insulate and seal the safing slot defined therebetween, said primary insulation including; (1) an inner primary end surface positioned in abutment with the outer edge of the floor for sealing thereadjacent; (2) an outer primary end surface positioned in abutment with the metal interior panel extending over the interior surface of the curtain wall construction and unattached to the interior surface of the adjacent metal interior panel; (3) a lower primary facing surface extending between said inner primary end surface and said outer primary end surface and facing downwardly therebetween; B. a supplemental insulation of thermally resistant flexible mineral wool material attached to the metal interior panel of the curtain wall construction at a position immediately below said primary insulation and in abutment with said lower primary facing surface thereof, said supplemental insulation being attached to the metal interior panel and extending across the safing slot toward the outer edge of the floor thereadjacent without being attached thereto, said supplemental insulation comprising a band of supplemental insulation extending longitudinally along and in abutment with said lower primary facing surface of said primary insulation, said supplemental insulation being movable along with the metal interior panel of the wall to maintain insulation in abutment therewith and to facilitate maintaining complete insulation across the safing slot; C. a supplemental attachment means for attaching of said supplemental insulation to the metal interior panel positioned thereadjacent, said supplemental attachment means comprising: (1) at least one weld pin extending through said supplemental insulation and being attached to the interior panel surface of the metal interior panel; (2) at least one cap nut secured to each of said pin adjacent said supplemental insulation at a position remotely positioned from the interior surface of the metal interior panel for facilitating attachment of said supplemental insulation to the interior panel surface of the metal interior panel immediately below said primary insulation and in abutment to said lower primary facing surface thereof; D. a outer fire retardant coating positioned extending across said primary insulation and the adjacent portions of the metal interior panel and the floor located thereadjacent.