INTUMESCENT AND CIRCULAR GRILLES

The circular intumescent grills act as a firewall, they have been developed to allow a free ventilation through the compartment elements against fire maintaining the fire protection capacity intact of these elements. The grids are composed from a series of horizontal intumescent slats with a perimeter frame from the same material or metallic. The space between each slat is calculated for a maximum ventilation while it assures the total sealing in case of fire.
Description

· The circular intumescent grills act as a firewall, they have been developed to allow a free ventilation through the compartment elements against fire maintaining the fire protection capacity intact of these elements. 
· The grids are composed from a series of horizontal intumescent slats with a perimeter frame from the same material or metallic.
· The space between each slat is calculated for a maximum ventilation while it assures the total sealing in case of fire.

Applications
The firewall grids allow a ventilation through the different elements of compartmentalization, firewalls as doors, walls, partitions, floors, ceilings, false ceilings, ducts (PVC tubes).

General features
The firewall intumescent grids present the following features:
 - Built with slats of an intumescent material protected PVC and metallic (graphite lined with aluminum with protected edges in a steel profile). 
 - Few minutes are needed to perform the complete closing from the spaces between slats. 
 - Depending on the models the expansion reaction begins with temperatures between 120ºC and 150ºC.

Finish
· Grey. Under request they can be supplied in different colors. 
· Steel finish for the metallic ones.

Installation
· The grills are mechanically fixed in the work place through screws or metallic profiles. 
· It is advisable to leave 1 or 2 mm in all the perimeter which has to be filled with putty.

Storage / Safety / Hygiene
· In a cool and dry place. 
· Usual hygiene at work.

Technical Data Sheet

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