Intumescent Metal Fire box and Flexible Fire Bag
Rated 3.5/5 based on 11 customer reviews

Intumescent Metal Fire box and Flexible Fire Bag

Available: In Stock
  • Product SKU: Product 52-flex- 0
  • Category: Fire Doors

    An internal metal firebox or flexible fire containment bag for use in areas with vulnerability to arson or vandalism attacks.

    – Internal intumescent material will extinguish any combustible items dropped into the box or bag, and can be easily renewed
    – The flexible fire containment bag can be compressed and is for use where doors open tightly against walls

    Metal Boxes:
    Simply screw into position using 30mm screws

    Flexible Fire Bags:
    The Flexible Fire Bag has an oversized letter box opening to go over existing internal openings
    or flaps. The pack is supplied with a small tube of Fire Proof Silicone, which can either be
    squeezed over the external plate or around the internal side of the door, around the letter box
    opening. Open the lid by turning the clips and separating the Velcro tape. There are two holes
    at either end of the metal plate, simply screw to the door with the screws supplied.

    REF                        A (Wall/Door height)           B (Outside height)              C (Depth)                              D (Width)               


    Flexible bags with horizontal letter opening:–

    FLEX1                    335mm                                  335mm                                  130mm                                  420mm

    Aperture size 315mm x 70mm.

    FLEX2                    335mm                                  335mm                                  130mm                                  420mm

    For UPVC Doors. Aperture size 330mm x 55mm. Single layer of cloth.

    FLEX3                    260mm                                  260mm                                  095mm                                  400mm

    For UPVC doors. Aperture size 290mm x 55mm.

    FLEX3/A                260mm                                  260mm                                  095mm                                  400mm

    For UPVC doors. Aperture size 315mm x 70mm.


    Flexible bags with vertical letter opening:–

    FLEX4V                 560mm                                  560mm                                  130mm                                  360mm

    Aperture size 315mm high x 70mm wide.

    FLEX5V                 530mm                                  530mm                                  100mm                                  300mm

    Aperture size 290mm high x 55mm wide.


    Rigid metal boxes:–

    FB1                        360mm                                  300mm                                  170mm                                  375mm

    FB2                        360mm                                  300mm                                  090mm                                  375mm

    FB3                        360mm                                  300mm                                  200mm                                  400mm

    FB4                        675mm                                  600mm                                  300mm                                  600mm


    Standard spouts/chutes up to 300mm long and at an angle of 30 degrees to the horizontal, to pass through walls, can be fitted to rigid boxes at an extra cost. If you require spout/chute lengths greater than 300mm, please ask for a special price to be quoted. Flush locks are included. Standard colours are white, black, and brown. Other colours are available at extra cost. Use a letter bo...







    All of our 'in stock' product orders will be shipped same day, as long as the order has been processed before 3pm - this is simply to be in a position to catch the courier pickups.

    Some of couriers are explicit in their non-liquid deliveries so if you have ordered a mixture of ambient and liquid products your order has to be split across two couriers. These are lead by courier company policies, however the courier selection was done of price and so you can be safe in the knowledge that you will be getting the most competitive delivery prices around. 

    We deliver across the Island of Ireland and aim for 48/72hrs deliveries on all our orders. If you order a product that is 'out of stock' we will get them shipped by our supplier, Envirograf UK over night for our next days deliveries.