Astroflame Passive Fire Protection Products

Trade Name: Astro FS Block

Fire Stop Block

Tested to BS EN 1363-1:1999
for up to 2 hours

Compressible material for simpler installation

Only min. 10% compression required

Can be cut to any required length(s).

Red coating provides easy recognition

Easy to add and remove

Square edges are easy to stack

No overlapping required - lower cost

Can be installed from one side

150mm length can provide a clean wall solution

Intumescent fire stop block for cable trays.

Intumescent fire stop block for cable trunking.


Fire Stop Block is a unique, compressible and fully intumescent alternative to fire pillows.

FS Block can be supplied in up to 1 metre lengths and can be cut to size on site. This ensures maximum flexibility and minimum wastage..

The material can be installed within and around various electrical penetrations and provides up to 120 minutes fire rating.


Available in 1 metre lengths in any quantity.



Product Code

Astro FS Block

30.0 x 150.0 x 1000mm




As above.

To Order & Specify

Please quote - Quantity / Trade Name / Product Ref.
Typical example:-
10 / Astro FS Block/ AFFSBLOCK

Fire Test or Assessment Reports

Tested to BS EN 1363-1:1999 for up to 120 minutes

Test Report No: IF011059 Chiltern Int. Fire
EI120 on up to 100x100mm PVC Trunking
EI120 on up to 150x150mm Steel Trunking
E120 on Cable Basket and various Cable Types

For specific fire insulation ratings contact Astroflame

Health and Safety

Dust generated may cause irritation to skin or eyes. See COSHH datasheet for full details.
Keep out of reach of children. Normal good industrial and personal hygiene practices should be observed.

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



Email Astroflame