BMI Redland 49 Tile 4.5k ThruVent and Underlay Seal

The ThruVent Tile is a means of incorporating ventilation within the roof slope at high or low level. They can also be used for soil pipe connection or mechanical ventilation. Available in 4.5k and 8.8k capacity dependent on the tile or slate. 

ThruVent is suitable for use with Redland 49 tiles.