Intumescent Fire Seals
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Intumescent Strip - Fire OnlyAstrostrip FO
- fire only seals.
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| BLACK |
LIGHT BROWN |
RED |
| GREY |
WHITE |
CREAM |
Move mouse over a thumbnail image to see a larger image of that colour strip.
| To order and
specify:
Please quote |

CERTIFIRE Approval
Passed at BS476 Part 22 & 31.1
30 or 60 minute rated types
LANTAC Building Control Approval
NHBC Type Approval
All seals are available in Brown, White, Red, Black, Cream, Grey, Light Brown, and Wood Effect finishes.
All seals available in a pre-pack containing 2x2.1M and 1x1.05m lengths complete with fitting instructions.
All seals are supplied with self-adhesive backing tape.
Alernative Smoke Seal fittings: Grey 6mm Nylon pile to Black or White. Longer length - Grey Nylon pile.
Standard: 6mm to 7mm, 8mm, 9mm, 10mm, 11mm.
Alternative seals: Neoprene rubber draft seals in black, single blade, twin blade or bubble seal.
| Product Ref | Type |
Fire Rating |
Profile Size |
Lengths |
| AF1004 FO | Fire Only |
30 mins |
10mm x 4mm |
2.1m/1.05m |
| AF1504 FO | Fire Only |
30 mins |
15mm x 4mm |
2.1m/1.05m |
| AF2004 FO | Fire Only |
60 mins |
20mm x 4mm |
2.1m/1.05m |
| AF2504 FO | Fire Only |
60 mins |
25mm x 4mm |
2.1m/1.05m |
| AF3004 FO | Fire Only |
60 mins |
30mm x 4mm |
2.1m/1.05m |
Description
Intumescent fire and smoke seals for fire door assemblies. An ASTRO intumescent graphite based fireseal contained within a PVC sleeve fitted into a rebate to either the leaves or the frame will in the event of a fire expand (intumesce) to many times its original volume and seal the gap around the door to provide a safe and effective barrier against the passage of fire, smoke and hot gases.
Astroflame Intumescent Fireseals are available with or without a cold smoke seal in the form of a nylon pile. Astroflame smokeseals provide a permanent barrier to smoke, acoustic and thermal applications and are particularly important as smoke travels faster and further than fire itself.
All ASTRO seals are supplied with a self-adhesive backing tape as standard to facilitate quick and easy fitting. The seals are available in a choice of colours to suit your requirements or blend with decor.
Tested for 30 minutes with 10mm and 15mm to BS 476 part 22 & 31.1.
Tested for 60 minutes with 20mm 25mm and 30mm to BS 476 part 22 & 31.1.
Smokeseal to 100,000 cycle test.
LANTAC Building Control approved all sizes.
NHBC Type Approval.
Astrostrip FS
- fire and smoke seals.
Intumescent fire and smoke seals for a safe and effective barrier against
fire, cold smoke and hot gases.
LANTAC Building Control Approved.
NHBC Type Approval.
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| BLACK |
LIGHT BROWN |
RED |
| GREY |
BROWN |
CREAM |
Move mouse over a thumbnail image to see a larger image of that colour strip.
| To order and
specify:
Please quote |
| Product Ref | Type |
Fire Rating |
Profile Size |
Lengths |
| AF1004 FS | Fire & Smoke |
30 mins |
10mm x 4mm |
2.1m/1.05m |
| AF1504 FS | Fire & Smoke |
30 mins |
15mm x 4mm |
2.1m/1.05m |
| AF2004 FS | Fire & Smoke |
60 mins |
20mm x 4mm |
2.1m/1.05m |
| AF2504 FS | Fire & Smoke |
60 mins |
25mm x 4mm |
2.1m/1.05m |
| AF3004 FS | Fire & Smoke |
60 mins |
30mm x 4mm |
2.1m/1.05m |
Brush colours available: Grey, Black or White.


Astrostrip SB - intumescent fire seal with a black Neoprene single blade smoke seal.
LANTAC Building Control Approved.
NHBC Type Approval.
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| BLACK |
LIGHT BROWN |
WHITE |
| GREY |
BROWN |
CREAM |
| Product Ref |
Fire Rating |
Profile Size |
Lengths |
| AF1004 SB |
30 mins |
10mm x 4mm |
2.1m/1.05m |
| AF1504 SB |
30 mins |
15mm x 4mm |
2.1m/1.05m |
| AF2004 SB |
60 mins |
20mm x 4mm |
2.1m/1.05m |
| AF2504 SB |
60 mins |
25mm x 4mm |
2.1m/1.05m |
| AF3004 SB |
60 mins |
30mm x 4mm |
2.1m/1.05m |
| To order and
specify:
Please quote |
Astrostrip TB - intumescent fire seal with a black Neoprene twin blade smoke seal.
LANTAC Building Control Approved
NHBC Type Approval.
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| BLACK |
LIGHT BROWN |
WHITE |
| GREY |
BROWN |
RED |
| Product Ref |
Fire Rating |
Profile Size |
Lengths |
| AF1004 TB |
30 mins |
10mm x 4mm |
2.1m/1.05m |
| AF1504 TB |
30 mins |
15mm x 4mm |
2.1m/1.05m |
| AF2004 TB |
60 mins |
20mm x 4mm |
2.1m/1.05m |
| AF2504 TB |
60 mins |
25mm x 4mm |
2.1m/1.05m |
| AF3004 TB |
60 mins |
30mm x 4mm |
2.1m/1.05m |
| To order and
specify:
Please quote |
Move mouse over a thumbnail image to see a larger image of that colour strip.
Storage and disposal
ASTRO STRIP should be stored indoors. No shelf life is giving as the fire seals will not deteriorate in storage. Disposal refer to COSHH sheet.
To seal the bottom of the door we suggest using our Acoustic & Smoke Perimeter Seals
The above information to the best of our knowledge is true and accurate and based upon current test data and is supplied for your guidance only. Customers should satisfy themselves to the suitability of the product in its intended use and no guarantee is given or implied since the conditions of actual use are beyond our control. ASTROflame (Fireseals) Ltd, disclaim any liability for loss, damage or other expense arising from the use of information, data or products mentioned or referred to and reserve the right to change any details or specifications without notice.
Astroflame (Fire Seals) Ltd. Intumescent
House Unit 8, The IO Centre, Stephenson Road, Segensworth FAREHAM, ENGLAND PO15 5RU |
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tel 0800 023 2482 (01329 844500) |
fax 0800 023 2483 (01329 844600) |
intl tel +44 1329 844500 |
fax +44 1329 844600 |
email sales@astroflame.com |
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