An insulated HVAC duct component such as a transition box includes a first insulation layer and a second, different insulation layer. The transition box includes at least four sidewalls and one of a top and a back wall, the transition box further including a first access port and a second access por
An insulated HVAC duct component such as a transition box includes a first insulation layer and a second, different insulation layer. The transition box includes at least four sidewalls and one of a top and a back wall, the transition box further including a first access port and a second access port, the first access port having a different cross section than the second access port, one of the access ports being spaced from a nearest sidewall by less than 2 inches. The first insulation layer is located along an inside surface of the box. The second different insulation layer overlies the first insulation layer, the second different insulation layer having an air impervious surface, wherein the combined thickness of the first insulation layer and the second different insulation layer is less than 2 inches.
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1. An insulating assembly for an HVAC duct component, the insulating assembly comprising: (a) a reflective laminate body having a base, a first sidewall extending from the base and a second sidewall extending from the base, at least one of the sidewalls terminating at a free edge, wherein a portion
1. An insulating assembly for an HVAC duct component, the insulating assembly comprising: (a) a reflective laminate body having a base, a first sidewall extending from the base and a second sidewall extending from the base, at least one of the sidewalls terminating at a free edge, wherein a portion of the first sidewall is affixed to a portion of the second sidewall, independent of the base;(b) the base and the sidewalls movable between a first transport configuration wherein a majority of the base and a majority of each of the sidewalls are parallel and an installation configuration wherein the sidewalls are inclined relative to the base; and(c) the reflective laminate including an upper reflective layer, a bottom reflective layer and a cellular layer intermediate the upper reflective layer and the bottom reflective layer. 2. The insulating assembly of claim 1, wherein the portion of the first sidewall is affixed to the portion of the second sidewall by a fastener. 3. The insulating assembly of claim 1, wherein the base, the first sidewall and the second sidewall are formed of a single piece. 4. The insulating assembly of claim 1, wherein at least one of the base, the first sidewall and the second sidewall includes a line of weakness for removing a corresponding portion of the at least one of the base, the first sidewall and the second sidewall. 5. The insulating assembly of claim 1, wherein at least one of the base, the first sidewall and the second sidewall includes a cutout removing a corresponding portion of the at least one of the base, the first sidewall and the second sidewall. 6. The insulating assembly of claim 1, further comprising a layer of mineral wool adjacent to one of the first sidewall and the second sidewall and the base. 7. The insulating assembly of claim 1, further comprising a score line between each of the sidewalls and the base. 8. The insulating assembly of claim 1, further comprising a third sidewall and a fourth sidewall, wherein each of the third and fourth sidewall includes a collapsing fold line. 9. The insulating assembly of claim 1, further comprising an adhesive on one of the base and the sidewalls. 10. The insulating assembly of claim 1, further comprising a transition box thermally coupled to the reflective laminate body. 11. The insulating assembly of claim 10, wherein the reflective laminate body is adjacent an inside surface of the transition box. 12. The insulating assembly of claim 10, wherein the reflective laminate body is adjacent an outside surface of the transition box. 13. An insulating and HVAC duct component assembly, the assembly comprising: (a) a reflective laminate body having a base, a first sidewall extending from the base and a second sidewall extending from the base, at least one of the sidewalls terminating at a free edge;(b) the base and the sidewalls movable between a first transport configuration wherein a majority of the base and a majority of each of the sidewalls are parallel and an installation configuration wherein the sidewalls are inclined relative to the base;(c) the reflective laminate including an upper reflective layer, a bottom reflective layer and a cellular layer intermediate the upper reflective layer and the bottom reflective layer; and(d) a transition box thermally coupled to the reflective laminate body. 14. The assembly of claim 13, wherein a portion of the first sidewall is affixed to a portion of the second sidewall, independent of the base. 15. The assembly of claim 13, wherein the portion of the first sidewall is affixed to the portion of the second sidewall by a fastener. 16. The assembly of claim 13, wherein the base, the first sidewall and the second sidewall are formed of a single piece. 17. The assembly of claim 13, wherein at least one of the base, the first sidewall and the second sidewall includes a line of weakness for removing a corresponding portion of the at least one of the base, the first sidewall and the second sidewall. 18. The assembly of claim 13, wherein at least one of the base, the first sidewall and the second sidewall includes a cutout removing a corresponding portion of the at least one of the base, the first sidewall and the second sidewall. 19. The assembly of claim 13, wherein the reflective laminate body is adjacent an inside surface of the transition box. 20. The assembly of claim 13, wherein the reflective laminate body is adjacent an outside surface of the transition box. 21. The assembly of claim 13, wherein the transition box is thermally coupled to the reflective laminate body by an air gap. 22. An insulating assembly for an HVAC duct component, the insulating assembly comprising: (a) a reflective laminate body having a base, a first sidewall extending from the base, a second sidewall extending from the base, a third sidewall extending from the base and a fourth sidewall extending from the base, at least one of the sidewalls terminating at a free edge, at least one of the first sidewall and the second sidewall having a collapsing fold line within a periphery of the one of the first sidewall and the second sidewall;(b) the base and the sidewalls movable between (i) a first transport configuration wherein a majority of the base and a majority of each of the sidewalls are parallel and the one of the first sidewall and the second sidewall folds about the collapsing fold line so that a first portion of the one of the first sidewall and the second sidewall is parallel to and overlaps a second portion of the one of the first sidewall and the second sidewall and (ii) an installation configuration wherein the sidewalls are inclined relative to the base; and(c) the reflective laminate including an upper reflective layer, a bottom reflective layer and a cellular layer intermediate the upper reflective layer and the bottom reflective layer. 23. The insulating assembly of claim 22, wherein one of the first sidewall and the second sidewall includes a projecting tab for engaging a remaining one of the first sidewall and the second sidewall. 24. An insulating assembly for an HVAC duct component, the insulating assembly comprising: (a) a reflective laminate body having a base, a first sidewall extending from a first edge of the base, a second sidewall extending from a second edge of the base, a third sidewall extending from a third edge of the base and a fourth sidewall extending from a fourth edge of the base;(b) the base and the sidewalls movable between a first transport configuration wherein a majority of the base and a majority of each of the sidewalls are parallel and an installation configuration wherein the sidewalls are inclined relative to the base; and(c) the reflective laminate including an upper reflective layer, a bottom reflective layer and a cellular layer intermediate the upper reflective layer and the bottom reflective layer. 25. The insulating assembly of claim 24, further comprising a projecting tab extending from at least one of the sidewalls.
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Haack C. William ; Nixon Michael T., Air duct and method of making same.
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