Thursday 27 July 2023

ZEROplus Announce Successful New Fire Testing for the Fire Block Louvre System

Leading door hardware supplier ZEROplus, recently achieved BS EN 1634-1:2014 for their Fire Block Louvre System for steel doors. The new standard ensures an impressive four-hour integrity in a fire.

Although a standard louvre allows for ventilation, it will also permit the passage of flames and toxic smoke.

But the FBLS Fire Block Louvre System enables airflow circulation while maintaining the integrity of fire doors and preventing the spread of flames.

The system is ideal for fire-rated doors to rooms that need ventilation, such as fire doors to plant rooms, stores, computer rooms, changing rooms or manufacturing areas.

Mark Lockley, Managing Director of ZEROplus, explains:

“The Fire Block Louvre System consists of an FB intumescent block grille just 14mm (about 0.55 in) thick and an FDLS two-part steel louvre set.

“The intumescent block fits within the door aperture, with the steel louvre set fixed to each side of the door, sandwiching the FB intumescent block grille.

“The system is designed for doors of a 44mm minimum thickness and no maximum door thickness.”

Manufactured by ZEROplus, the intumescent block grille starts to swell at 160-200°C in the event of a fire, expanding to 40 times its original volume to fill the door void.

This expansion prevents the spread of flames, maintaining the fire door's integrity.

The Fire Block Louvre System is available in over 25 standard sizes from stock and available to order in any size from a 152mm x 152mm minimum cut-out.

Mark continues:

“We're thrilled with the new fire testing standard our FBLS Fire Block Louvre System has achieved.

“Fire safety and fire-rated door products are incredibly important in residential, commercial, and industrial buildings to keep occupants safe.

“We've been independently fire-testing door hardware for over 20 years and are proud to offer an extensive range of fire-tested products.”

To find out more about the FBLS Fire Block Louvre System and the extensive range of fire-rated door hardware products from ZEROplus, please visit: ZEROplus | The UK's Leading Door Hardware Supplier | Next Day Delivery or call: 01785 282 910. 

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