VENTILATION TAPE, IN PARTICULAR, FOR ROOFS WITH STEEP PITCHES Russian patent published in 2011 - IPC E04D13/17 

FIELD: construction.

SUBSTANCE: ventilation tape comprises at least two side strips passing in parallel to each other and one middle strip. Ventilation strips formed by walls or partitions joined along perimetre to each other pass in parallel to side strip. At the same time ventilation strips may have various shapes. At least one ventilation channel is provided, however, several ventilation channels may be provided. Due to application of certain materials for ventilation tape, which have recovery properties, ventilation channel, at least as ventilation tape unwinds, may open itself. However, it is possible to cause opening of at least one ventilation channel with the help of stretching its side strips.

EFFECT: creation of a proper air exchange.

25 cl, 20 dwg