Roofing product including a heater

Abstract

A roofing product can include a substrate and a heater. The roofing product may be placed along portions of a roof where heat can help to reduce the likelihood of water freezing into ice while along a roof. In an embodiment, the heater can be located in a headlap portion of the roofing product. A roofing product can include plurality of heaters that can provide sufficient heating should a particular heater fail. Method of fabricating the roofing product can be adapted for a fabrication line that can operate continuously.

What is claimed is: 
     
         1 . A roofing product, comprising:
 a substrate having an exposure zone that is configured to be visible and a headlap adjacent the visible exposure zone, the headlap being configured to be non-visible; and   a heater mounted on or in the headlap.   
     
     
         2 . The roofing product of  claim 1 , wherein the heater is configured to be located on or near an eave of a roof, or in or near an intersection of two portions of the roof. 
     
     
         3 . The roofing product of  claim 1 , wherein the heater is on a top side of or underneath the headlap. 
     
     
         4 . The roofing product of  claim 1 , wherein the headlap comprises a fastening zone, and the heater is located on or in the fastening zone. 
     
     
         5 .- 13 . (canceled) 
     
     
         14 . The roofing product of  claim 1 , wherein the heater is adapted to roll over a top or a bottom of the headlap and to cross a width of the headlap. 
     
     
         15 . (canceled) 
     
     
         16 . The roofing product of  claim 1 , wherein the heater comprises an attachment portion configured to receive a fastener therethrough. 
     
     
         17 .- 21 . (canceled) 
     
     
         22 . The roofing product of  claim 16 , wherein the attachment portion comprises a plurality of attachment portions. 
     
     
         23 .- 24 . (canceled) 
     
     
         25 . The roofing product of  claim 16 , wherein the attachment portion has a thickness Tap, and the headlap has a thickness Th>Tap. 
     
     
         26 .- 33 . (canceled) 
     
     
         34 . The roofing product of  claim 1 , wherein at least one of the substrate and the heater comprises a polyester, a polyamide, a polyimide, a polyether ether ketone, a polysulfone or any combination thereof. 
     
     
         35 .- 39 . (canceled) 
     
     
         40 . The roofing product of  claim 1 , wherein the heater has a length in a range of approximately 2 meters to approximately 5 meters. 
     
     
         41 .- 42 . (canceled) 
     
     
         43 . The roofing product of  claim 1 , wherein at least one of the substrate and the heater includes trimmable printed indicia. 
     
     
         44 . A method of installing a roof on a structure, comprising:
 providing a roofing product having a substrate with a headlap, an exposure zone and a heater located only on or in the headlap; and   installing the roofing product adjacent an eave of the roof.   
     
     
         45 . The method of  claim 44 , wherein installing is performed such that the roofing product extends from the eave to a second point which, from a top view, is over an interior of the structure. 
     
     
         46 .- 58 . (canceled) 
     
     
         59 . The method of  claim 44 , wherein the heater is shared between two or more roofing products. 
     
     
         60 .- 63 . (canceled) 
     
     
         64 . The method of  claim 44 , wherein the heater comprises an attachment portion, and further comprising receiving a fastener through the attachment portion. 
     
     
         65 .- 72 . (canceled) 
     
     
         73 . The method of  claim 64 , wherein the attachment portion has a thickness Tap, and the headlap has a thickness Th>Tap. 
     
     
         74 .- 80 . (canceled) 
     
     
         81 . The method of  claim 64 , wherein the attachment portion comprises a printed word, a color, a single line of pre-determined width, two or more lines providing a bordered fastening zone of pre-determined width, a marked or printed location, an indicator, a filled circle, an open or filled geometric shape, a ringed bull's eye, a dot or any combination thereof. 
     
     
         82 .- 87 . (canceled) 
     
     
         88 . The method of  claim 44 , wherein the heater has a length in a range of approximately 2 meters to approximately 5 meters, approximately 0.9 meters to approximately 5 meters, or approximately 3 meters to approximately 4 meters. 
     
     
         89 .- 129 . (canceled) 
     
     
         130 . A method of installing roofing products, comprising:
 installing a first course of the roofing products on a roof deck of a roof, each roofing product having a headlap and an exposure zone adjacent the headlap; then   installing a heater on the headlap of at least one of the roofing products of the first course; and then   installing a second course of the roofing products on the first course such that the heater is located beneath the second course.   
     
     
         131 . (canceled) 
     
     
         132 . The method of  claim 130 , wherein installing is performed such that the roofing product extends from the eave to a second point which, from a top view, is over an interior of a structure having the roof. 
     
     
         133 .- 135 . (canceled) 
     
     
         136 . The method of  claim 130 , wherein the exposure zone is visible and the headlap is non-visible, and the heater is installed on the eave of the roof. 
     
     
         137 .- 148 . (canceled) 
     
     
         149 . The method of  claim 130 , wherein the heater comprises an attachment portion, and further comprising receiving fasteners through the attachment portion. 
     
     
         150 .- 157 . (canceled) 
     
     
         158 . The method of  claim 149 , wherein the attachment portion has a thickness Tap, and the headlap has a thickness Th>Tap. 
     
     
         159 .- 172 . (canceled)