Astroflame Passive Fire Protection Products


Flexible Intumescent Sheet for Door Ironmongery

Unaffected by moisture,humidity & atmospheric pollution.

Only 0.8mm thick - so minimal rebating

Very flexible and clean to work with.

Will bend without cracking.

Available with or without self adhesive backing


Flexiseal Intumescent Sheeting.


All ironmongery installed on a fire door must be fitted without compromising the integrity of the complete
fire door assembly. This is of particular importance where ironmongery is rebated into the doorset such as hinges, locks,
latches and concealed door closers.

Astroflame Flexiseal is an ultra thin and flexible high performance intumescent sheet. At 0.8mm Astroflame Flexiseal offers high levels of expansion and insulation preventing heat transfer on ironmongery rebated into timber doorsets.

Astroflame Flexiseal is suitable for both 30 and 60 minute applications.

Flexi Seal used to upgrade  door viewer fire rating.


Flexiseal sheet material can be cut
to suit all types of rebated door



Properties, Specification & Availability

Flexi Seal Product & Performance Data.


Flexiseal for square corner door hinges.Flexiseal for radius corner door hinges.


To Order & Specify

Please quote- Quantity / Trade name / Product ref / Description:

Typical wording
10 / Flexiseal /AFFLEXIH/PK / Hinge Pads.
5 / Flexiseal / AFFLEXIHC/PK / Hinge Pads Radius Corners.

Fire Test or Assessment Reports

Astro Flexiseal has been extensively tested to the latest British and European standards as follows:

BS 476 part 22 : 1987 - 30 and 60 minute rating
BS EN 1634-1 : 2008 - 30 and 60 minute rating

Astroflame (Fire Seals) Ltd. Intumescent House
Unit 8, The IO Centre, Stephenson Road, Segensworth
tel 0800 023 2482
(01329 844500)
fax 0800 023 2483
(01329 844600)
tel +44 1329 844500
fax +44 1329 844600



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