A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ROOFING UNDERLAYMENT
A roofing underlayment is provided. The roofing underlayment includes a carrier substrate including a felt mixture and a binder mixture; a volume of asphalt flux saturating the carrier substrate; wherein the felt mixture includes between 75% and 95% by weight corrugated paper/cardboard fibers and between 5% and 25% by weight fiberglass fibers; and wherein the binder mixture includes a mixture of alum and rosin having a mixture ratio by weight of alum to rosin in a range between one to one (1: 1) and four to one (4: 1). The volume of asphalt flux may result in a carrier saturation of between forty and fifty-five percent.
ROOFING UNDERLAYMENT
A roofing underlayment is provided. The roofing underlayment includes a carrier substrate including a felt mixture and a binder mixture; a volume of asphalt flux saturating the carrier substrate; wherein the felt mixture includes between 75% and 95% by weight corrugated paper/cardboard fibers and between 5% and 25% by weight fiberglass fibers; and wherein the binder mixture includes a mixture of alum and rosin having a mixture ratio by weight of alum to rosin in a range between one to one (1: 1) and four to one (4: 1). The volume of asphalt flux may result in a carrier saturation of between forty and fifty-five percent.
ROOFING UNDERLAYMENT
SOUS-COUCHE DE COUVERTURE DE TOIT
SHIFFERD MICHAEL R (author) / HUMPHREYS DAVID C (author) / BRADLEY ROBERT L (author) / RUSSELL STEVEN L (author) / GUZA ZACHARY J (author)
2015-05-01
Patent
Electronic Resource
English
IPC:
E04D
ROOF COVERINGS
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