Description
New Style All-in-One Block Grille
New style block grille, fitted with intumescent into the plate, giving a much larger airflow, providing over 40% free ventilation area. The intumescent plate is fitted on the risk side, however, the grille provides protection on either side.
In the event that a fire occurs, the intumescent will expand to seal the grille, preventing fire and smoke from spreading.
- Our new style Intumescent block grilles are suitable for use in ducting pipes.
- Installed into doors and walls, as well as ventilation ducting to provide fire protection.
- Complete with two face plates.
See the order references tab for available sizes as standard. Furthermore, other sizes are available to order.
Tested to EN1363-1 (2012), achieving integrity of 60 minutes. Also tested to EN1364-5 (2017).
Specially designed passive fire range to meet Document B of Building Regulations, and also tested to European Standards. For more information, browse our full range of ventilation products online.
Envirograf ® passive fire products carry the hallmark of excellence, reflecting the high standards that prevail in its laboratory, test rig, and manufacturing plant. Envirograf® passive fire products are subject to rigorous quality control which, at all stages, ensures products remain at the leading edge of fire containment technology. This quality has earned the company and its passive fire products a high reputation. With its operating system accredited to ISO9001.
