A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ROOFING UNDERLAY, PARTICULARLY FOR USING AS ROOF CLADDING UNDERLAY AND/OR ROOF LINING MEMBRANE
The invention relates to a roofing underlay (1), especially one intended for use as roof cladding underlay and/or roof lining membrane, having at least one outer nonwoven layer (2), at least one inner nonwoven layer (3) and at least one microporous membrane layer (4) based on at least one polyolefin plastic, wherein the membrane layer (4) is arranged between the outer nonwoven layer (2) and the inner nonwoven layer. According to the invention, it is provided that at least one further microporous membrane layer (5) based on a polyolefin plastic is provided between the outer nonwoven layer (2) and the inner nonwoven layer and the further membrane layer (5) is separated from the membrane layer (4) by a separating layer (6), wherein the separating layer (6) is water-permeable and/or embodied as a structure made of fibers, especially nonwoven.
ROOFING UNDERLAY, PARTICULARLY FOR USING AS ROOF CLADDING UNDERLAY AND/OR ROOF LINING MEMBRANE
The invention relates to a roofing underlay (1), especially one intended for use as roof cladding underlay and/or roof lining membrane, having at least one outer nonwoven layer (2), at least one inner nonwoven layer (3) and at least one microporous membrane layer (4) based on at least one polyolefin plastic, wherein the membrane layer (4) is arranged between the outer nonwoven layer (2) and the inner nonwoven layer. According to the invention, it is provided that at least one further microporous membrane layer (5) based on a polyolefin plastic is provided between the outer nonwoven layer (2) and the inner nonwoven layer and the further membrane layer (5) is separated from the membrane layer (4) by a separating layer (6), wherein the separating layer (6) is water-permeable and/or embodied as a structure made of fibers, especially nonwoven.
ROOFING UNDERLAY, PARTICULARLY FOR USING AS ROOF CLADDING UNDERLAY AND/OR ROOF LINING MEMBRANE
FLAIG RONALD (author) / BACHON THOMAS (author)
2020-12-03
Patent
Electronic Resource
English
Roofing underlay, particularly for using as roof cladding underlay and/or roof lining membrane
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