Insulation system, and associated roofing system

Abstract

An insulation system includes a first insulation panel having a thickness of 0.4 inches to 6 inches, a second insulation panel including a first side and an opposite second side, a third insulation panel, a first material contacting the first side of the second insulation panel, the first material connecting the first insulation panel to the second insulation panel, and a second material contacting the second side of the second insulation panel, the second material connecting the second insulation panel to the third insulation panel, the insulation system positionable between a folded configuration in which the first insulation panel, the second insulation panel, and the third insulation panel are stacked, and an unfolded configuration in which the first insulation panel, the second insulation panel, and the third insulation panel are unstacked.

What is claimed: 
     
         1 . A roofing system, comprising:
 a roof deck;   an insulation system installed on the roof deck, the insulation system comprising:
 a first insulation panel having a thickness ranging from 0.4 inches to 6 inches; 
 a second insulation panel having a first side and an opposite second side; 
 a third insulation panel; 
 a first material contacting the first side of the second insulation panel, 
 wherein the first material connects the first insulation panel to the second insulation panel; 
 a second material contacting the second side of the second insulation panel, wherein the second material connects the second insulation panel to the third insulation panel; 
   wherein the insulation system is positionable between:
 a folded configuration in which the first insulation panel, the second insulation panel, and the third insulation panel are stacked, and 
 an unfolded configuration in which the first insulation panel, the second insulation panel, and the third insulation panel are unstacked. 
   
     
     
         2 . The roofing system of  claim 1 , wherein the roof deck is made of metal, concrete, or wood. 
     
     
         3 . The roofing system of  claim 1 , wherein the first insulation panel includes a middle layer of polyisocyanurate foam. 
     
     
         4 . The roofing system of  claim 3 , wherein the first insulation panel has face layers made of glass fiber-reinforced cellulosic felt. 
     
     
         5 . The roofing system of  claim 1 , wherein the second insulation panel includes a middle layer of polyisocyanurate foam. 
     
     
         6 . The roofing system of  claim 5 , wherein the second insulation panel has face layers made of a coated glass fiber mat. 
     
     
         7 . The roofing system of  claim 1 , wherein the first material comprises double-sided tape with a removable liner to expose an adhesive. 
     
     
         8 . The roofing system of  claim 1 , wherein the second material comprises a vapor retarder membrane. 
     
     
         9 . The insulation system of  claim 1 , wherein a length of at least one of the first insulation panel, the second insulation panel, or the third insulation panel is 4 feet, and wherein a width of at least one of at least one of the first insulation panel, the second insulation panel, or the third insulation panel is 8 feet. 
     
     
         10 . The insulation system of  claim 1 , wherein at least one of the first layer, the third layer, the fourth layer, the sixth layer, the seventh layer, or the ninth layer comprises glass fiber-reinforced cellulosic felt. 
     
     
         11 . The insulation system of  claim 1 , wherein at least one of the first membrane or the second membrane comprises polyethylene. 
     
     
         12 . The insulation system of  claim 7 , wherein at least one of the first layer, the third layer, the fourth layer, the sixth layer, the seventh layer, or the ninth layer comprises glass fiber-reinforced cellulosic felt. 
     
     
         13 . A roofing system, comprising:
 a roof deck,
 wherein the roof deck includes a first portion, a second portion, and a third portion; 
   a first insulation panel installed above the first portion of the roof deck,
 wherein the first insulation panel comprises:
 a first layer, 
 a second layer, and 
 a third layer,
 wherein the first layer is juxtaposed with the first portion, 
 wherein the second layer is between the first layer and the third layer, 
 
 
 wherein the first insulation panel has a first edge,
 wherein the first edge is an edge of the first layer, 
 
 wherein the first insulation panel has a thickness of 0.4 inches to 6 inches; 
   a second insulation panel,
 wherein the second insulation panel comprises:
 a fourth layer, 
 a fifth layer, and 
 a sixth layer,
 wherein the fourth layer is juxtaposed with the second portion, 
 wherein the fifth layer is between the fourth layer and the sixth layer, 
 
 
 wherein the second insulation panel has a second edge and a third edge,
 wherein the second edge is an edge of the fourth layer, 
 wherein the third edge is an edge of the sixth layer, 
 
 wherein the second insulation panel has a thickness of 0.4 inches to 6 inches; 
   a third insulation panel,
 wherein the third insulation panel comprises:
 a seventh layer, 
 an eighth layer, and 
 a ninth layer,
 wherein the seventh layer is juxtaposed with the third portion, 
 wherein the eighth layer is between the seventh layer and the ninth layer, 
 
 
 wherein the third insulation panel has a fourth edge,
 wherein the fourth edge is an edge of the ninth layer, 
 
 wherein the third insulation panel has a thickness of 0.4 inches to 6 inches; 
   a first membrane,
 wherein the first membrane connects to and overlaps the first edge and the second edge, 
 wherein the first membrane is juxtaposed with the roof deck; and 
   a second membrane,
 wherein the second membrane connects to and overlaps the third edge and the fourth edge. 
   
     
     
         14 . The roofing system of  claim 11 , wherein the roof deck comprises at least one of metal, concrete, or wood. 
     
     
         15 . The roofing system of  claim 11 , wherein a thickness of at least one of the first insulation panel, the second insulation panel, or the third insulation panel is 0.5 inches to 4.6 inches. 
     
     
         16 . The roofing system of  claim 11 , wherein a length of at least one of the first insulation panel, the second insulation panel, or the third insulation panel is 4 feet, and wherein a width of at least one of the first insulation panel, the second insulation panel, or the third insulation panel is 8 feet. 
     
     
         17 . The roofing system of  claim 11 , wherein at least one of the first membrane or the second membrane comprises double-sided tape. 
     
     
         18 . The roofing system of  claim 11 , further comprising:
 a third membrane covering at least a portion of the first insulation panel, the second insulation panel, and the third insulation panel,
 wherein the third membrane comprises a single-ply membrane. 
   
     
     
         19 . The roofing system of  claim 16 , wherein the third membrane comprises thermoplastic polyolefin (TPO). 
     
     
         20 . The roofing system of  claim 11 , wherein at least one of the second layer, the fifth layer, or the seventh layer comprises polyisocyanurate.