Experience advanced roof ventilation with the Manthorpe Random Slate Vent (GRSV45), specially designed for random slates with a base size of 600mm x 450mm. This slate vent provides efficient airflow, delivering up to 10,000mm² per vent for both high-level and low-level roof ve... Read More
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Experience advanced roof ventilation with the Manthorpe Random Slate Vent (GRSV45), specially designed for random slates with a base size of 600mm x 450mm. This slate vent provides efficient airflow, delivering up to 10,000mm² per vent for both high-level and low-level roof ventilation applications. The versatility of the GRSV45 extends to its capability as an outlet for extraction fans or soil pipe ventilation when paired with a Manthorpe GRPA Flexible Pipe.
Equipped with a 4mm fly screen on the hood, the GRSV45 ensures unobstructed ventilation while preventing blockages caused by falling debris and prohibiting the entry of large insects into your roof space. This slate vent undergoes rigorous testing, demonstrating resilience against driving rain down to a roof pitch of 15° with an up-roof wind speed of 13m/s and a rainfall rate of 200mm/hour.
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