US2013247489A1PendingUtilityA1

Attic conditioning system and method

45
Individually held — no corporate assignee on recordPriority: Mar 20, 2012Filed: Mar 20, 2012Published: Sep 26, 2013
Est. expiryMar 20, 2032(~5.6 yrs left)· nominal 20-yr term from priority
Inventors:Lawrence M. Janesky
E04F 17/04F24F 7/02
45
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A system for conditioning an attic of a building and venting a roof supported by a roof supporting structure. The system has a barrier isolating the roof supporting structure from an interior space of the attic. The barrier is sized to substantially cover an interior surface of the roof, the barrier isolating the interior surface of the roof from the interior space of the attic. A venting region is formed between the barrier and the interior surface of the roof, the venting region venting air from an outside of the building through the venting region and wherein the barrier substantially covering the interior surface of the roof prevents migration of air between the interior space of the attic and the venting region.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A system for conditioning an attic of a building and venting a roof supported by a roof supporting structure, the system comprising:
 a barrier separating a bottom of the roof supporting structure from an interior attic space defined by the roof and attic floor; and   the barrier covers the bottom of the roof support structure and an interior surface of the roof so that the barrier isolates the interior attic space from the interior surface of the roof and closes the interior attic space from exterior air outside the building;   wherein, the barrier forms a venting region between the barrier and the interior surface of the roof, the venting region communicating with exterior air outside the building and venting exterior air outside the building through the venting region along the interior surface of the roof, and wherein the barrier prevents migration of air between the interior attic space and the venting region.   
     
     
         2 . The system of  claim 1  wherein the venting region comprises a void between the barrier and the interior surface of the roof, the void having openings communicating with the exterior air outside the building and effecting natural ventilation through the venting region, wherein the void contains the roof supporting structure. 
     
     
         3 . The system of  claim 1 , wherein the barrier comprises an insulating layer and a radiant barrier layer. 
     
     
         4 . The system of  claim 3 , wherein the insulating layer comprises graphite infused polystyrene foam board having a radiant barrier on an interior surface and an exterior surface of the board that form the radiant barrier layer. 
     
     
         5 . The system of  claim 1 , wherein the barrier further isolates a soffit from the interior attic space of the attic. 
     
     
         6 . The system of  claim 1 , wherein the venting region vents air from a soffit vent through the venting region to at least one of a ridge vent and a gable vent. 
     
     
         7 . The system of  claim 1 , wherein the barrier comprises a radiant barrier layer and an insulation layer, the radiant barrier layer forming a base layer fastening the insulation layer to the roof support structure and being disposed between the insulation layer and the bottom of the roof support structure. 
     
     
         8 . A system for conditioning an attic of a building and venting a roof deck supported by rafters, the system comprising:
 insulated boards fastened to and isolating the rafters from an interior attic space defined by the roof deck and attic floor;   the insulated boards cut and sized to cover an interior surface of the roof deck substantially in its entirety from attic floor to a top of the interior attic space, and   seals applied to the insulated boards, the seals arranged to seal seams formed between adjoining edges of the insulated boards;   wherein, the insulated boards and seals define a sealed barrier, closing the interior attic space from exterior air outside the building, isolating the roof deck from the interior space of the attic, and forming a venting region between the insulating boards and the interior surface of the roof deck, the venting region venting exterior air from outside the building through the venting region, and wherein the sealed barrier prevents migration of air between the interior attic space and the venting region.   
     
     
         9 . The system of  claim 8 , wherein the venting region comprises a void between the insulated boards and the interior surface of the roof deck, the void being substantially open to the exterior air outside the building and containing the rafters. 
     
     
         10 . The system of  claim 8 , wherein the insulated boards have a radiant barrier. 
     
     
         11 . The system of  claim 8 , wherein the insulated boards comprise graphite infused polystyrene foam boards having a radiant barrier on an interior surface and an exterior surface of the insulated boards. 
     
     
         12 . The system of  claim 8 , wherein the insulated boards isolate a soffit from the interior space of the attic. 
     
     
         13 . The system of  claim 8 , wherein the venting region vents air from a soffit vent through the venting region to a ridge vent. 
     
     
         14 . The system of  claim 8 , wherein the venting region vents air from a gable vent through the venting region to a ridge vent. 
     
     
         15 . A method of conditioning an attic of a building and venting a roof supported by a roof supporting structure, the method comprising:
 covering a bottom of the roof supporting structure with a barrier that separates the bottom of the roof supporting structure from an interior attic space defined by the roof and attic floor;   sealing the barrier and with the barrier closing the interior attic space from exterior air outside the building and isolating an interior surface of the roof from the interior attic space;   with the barrier forming a venting region between the barrier and the interior surface of the roof, the venting region venting exterior air from outside the building through the venting region; and   preventing migration of air between the interior attic space and the venting region with the barrier.   
     
     
         16 . The method of  claim 16 , wherein the barrier comprises an insulating layer and a radiant barrier layer. 
     
     
         17 . The method of  claim 16 , wherein the barrier comprises graphite infused polystyrene foam board having a radiant barrier on an interior surface and an exterior surface of the barrier. 
     
     
         18 . The method of  claim 15 , further comprising isolating a soffit from the interior space of the attic with the barrier. 
     
     
         19 . The method of  claim 15 , wherein the venting region vents air from a soffit vent through the venting region to a ridge vent. 
     
     
         20 . The method of  claim 15 , wherein the venting region vents air from a gable vent through the venting region to a ridge vent. 
     
     
         21 . The system of  claim 7 , wherein a radiant barrier of the radiant barrier layer has a reflective surface facing outward. 
     
     
         22 . The system of  claim 7 , wherein a radiant barrier of the radiant barrier layer has a reflective surface facing inward. 
     
     
         23 . The system of  claim 3 , wherein the radiant barrier layer has a radiant barrier with a reflective surface facing outward, and another radiant barrier with a reflective surface facing inwards.

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