Back to results
US 10,526,735 B2Granted
Substrate for a support for bituminous membrane and method for the preparation thereof
AssigneePOLITEX s.a.s. di FREUDENBERG POLITEX s.r.l.
InventorsGilberto Faggion, Gerardo Salvatore Menna
Life of this patent
Estimating the term…
Abstract
A substrate for a support for bituminous membranes, comprising two or more layers of fibers comprising a homogeneous mixture of organic fibers and inorganic fibers, between which there is interposed a reinforcing scrim, said fibers being oriented parallel to the longitudinal axis of the substrate and laid said by side and alternate.
Claims19
A support substrate for roof covering waterproof bituminous membranes, wherein the substrate comprises at least two fiber layers arranged parallel above one another,
- wherein each fiber layer comprises a homogeneous mix of organic and inorganic fibers oriented parallel to a longitudinal direction of the substrate,
- wherein the mix comprises a weight percentage of organic fibers between 50% and 90% and the remainder is made of inorganic fibers,
- wherein a reinforcing scrim with longitudinal glass threads and transversal polyester threads is interposed between and placed in direct contact with the at least two parallel fiber layers, and
- wherein the fiber layers and the scrim are permeated with a consolidation organic fluid hydroentangling binder.
1 more element
Dependencies are inferred from the claim text.