Ventilation system for roofs

Static structures (e.g. – buildings) – Enclosure or cover – with supplemental fluid-guiding port... – Attic vent

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Details

52404, 52408, E04B 700

Patent

active

049379909

ABSTRACT:
The present invention relates to a ventilation system which makes the drying of roof insulation easier when there is a break in the vapor barrier or in the impermeable membrane protecting the said insulation. The system comprises an impermeable sheet composed of a series of openings distributed on its surface and a plurality of supports arranged between the openings.

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