| CPC E04D 12/002 (2013.01) [B32B 3/10 (2013.01); B32B 5/022 (2013.01); B32B 5/08 (2013.01); B32B 7/12 (2013.01); B32B 15/085 (2013.01); B32B 15/14 (2013.01); B32B 15/20 (2013.01); B32B 17/061 (2013.01); B32B 13/12 (2013.01); B32B 13/14 (2013.01); B32B 17/062 (2013.01); B32B 21/08 (2013.01); B32B 21/10 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B32B 2255/06 (2013.01); B32B 2255/08 (2013.01); B32B 2255/26 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/101 (2013.01); B32B 2262/144 (2021.05); B32B 2307/71 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/732 (2013.01); E04D 5/10 (2013.01)] | 9 Claims |

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1. A roofing system comprising:
a deck;
a roofing material; and
an underlayment between the roofing material and the deck, wherein the underlayment comprises:
a non-woven surface layer,
a first polymer layer,
a second polymer layer,
a foil layer,
a first adhesive layer, and
a second adhesive layer,
wherein the first adhesive layer comprises an asphaltic adhesive or butyl adhesive,
wherein a top surface of the first adhesive layer contacts the foil layer,
wherein a bottom surface of the second adhesive layer contacts the foil layer,
wherein the first polymer layer is disposed above the second adhesive layer,
wherein the non-woven surface layer is disposed above the first polymer layer,
wherein the non-woven surface layer contacts the second polymer layer, and
wherein the roofing material contacts a top surface of the non-woven surface layer.
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