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Certifire Approved
FD30
FS1004/F/WH
Pyroplex Fire & Smoke Seal Intumescent Strip, Single Fin, 10mm x 4mm x 2.1m, White
£1.96 Inc. VAT£1.63 Exc. VAT
6270 in stock Bulk Buy
Certifire Approved
FD30
FS1504/BR - Bulk Pack 50
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 15mm x 4mm x 2.1m, Brown (Pack of 50)
£115.20 Inc. VAT£96.00 Exc. VAT
125 in stock Certifire Approved
IS1010/BLK
Lorient LAS1010 Batwing Acoustic & Smoke Seal - 10mm x 10mm - Black
£6.44 Inc. VAT£5.37 Exc. VAT
885 in stock Bulk Buy
Certifire Approved
LAS1011-3
Lorient Firtree Acoustic & Smoke Seal 4mm - LAS1011 - Black - Pack of 3
£17.05 Inc. VAT£14.21 Exc. VAT
Certifire Approved
FD30
FS1004/BK
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 10mm x 4mm x 2.1m, Black
£1.91 Inc. VAT£1.59 Exc. VAT
2112 in stock Bulk Buy
Certifire Approved
FD30
FO1504/WH - Bulk Pack 75
Pyroplex Fire Only Intumescent Strip, 15mm x 4mm x 2.1m, White (Pack of 75)
£132.94 Inc. VAT£110.78 Exc. VAT
106 in stock Bulk Buy
Certifire Approved
FD30
FS1004/F/WH - Bulk Pack 50
Pyroplex Fire & Smoke Seal Intumescent Strip, Single Fin, 10mm x 4mm x 2.1m, White (Pack of 50)
£93.00 Inc. VAT£77.50 Exc. VAT
125 in stock Certifire Approved
FD30
FS1504/TF/WH
Pyroplex Fire & Smoke Seal Intumescent Strip, Twin Fin, 15mm x 4mm x 2.1m, White
£2.92 Inc. VAT£2.43 Exc. VAT
4158 in stock Certifire Approved
FD60
FO2004/WH
Pyroplex Fire Only Intumescent Strip, 20mm x 4mm x 2.1m, White
£3.22 Inc. VAT£2.68 Exc. VAT
1198 in stock Certifire Approved
FD30
FS1504/SF/WHT
Pyroplex Fire & Smoke Seal Intumescent Strip, Side Fin, 15mm x 4mm x 2.1m, White
£2.78 Inc. VAT£2.32 Exc. VAT
2546 in stock Certifire Approved
FD30
FS1504/BR
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 15mm x 4mm x 2.1m, Brown
£2.59 Inc. VAT£2.16 Exc. VAT
6294 in stock Certifire Approved
FD30
FS1004/BR
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 10mm x 4mm x 2.1m, Brown
£1.91 Inc. VAT£1.59 Exc. VAT
2228 in stock 
IS1206/WH
Lorient LAS1206 Single Batwing Seal - 10mm - White
£5.71 Inc. VAT£4.76 Exc. VAT
491 in stock 
ES/SDS/WH
Envirograf Surface Mounted Intumescent Strip Single Doorset - White
£55.06 Inc. VAT£45.88 Exc. VAT
34 in stock Certifire Approved
FD30
LP1504FO/WHITE
Lorient Fire Only Seal 15x4mm White
£3.34 Inc. VAT£2.78 Exc. VAT
2569 in stock Our Brands
Choosing the right fire door strip
Every certified fire door relies on a perimeter sealing system to perform as tested. The door leaf itself can hold back fire for 30 or 60 minutes, but without the correct strip fitted into the edge of the door or frame, hot gases, flame and smoke would escape through the perimeter gap long before the door leaf failed. Specifying the right product — and fitting it correctly — is what turns a fire door blank into a compliant FD30, FD30s, FD60 or FD60s assembly.
Intumescent strips, smoke seals and combined seals
There are three broad categories of fire door strip, and the right choice depends on the door's classification:
- Intumescent strips expand rapidly when exposed to heat, sealing the gap between door and frame to prevent flame and hot gas spread. Used on FD30 and FD60 doors where smoke control is not required.
- Smoke seals use a brush, fin or pile to block cold smoke at ambient temperatures, before any intumescent has had a chance to activate. They can be fitted alongside a fire-only strip or as a standalone product for draught and acoustic control.
- Combined fire and smoke seals integrate both functions in a single product — an intumescent core with a brush or fin attached — and are required for doors designated FD30s or FD60s (the "s" denotes smoke).
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