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Certifire Approved
FD30
LP1004DS/BLK
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip 10x4mm Black
£4.92 Inc. VAT£4.10 Exc. VAT
296 in stock Certifire Approved
FD30
FS1504/F/BR
Pyroplex Fire & Smoke Seal Intumescent Strip, Single Fin, 15mm x 4mm x 2.1m, Brown
£2.69 Inc. VAT£2.24 Exc. VAT
645 in stock Certifire Approved
FD30
LP1504FO/BR/LIGHT
Lorient Fire Only Seal 15x4mm Light Brown
£3.34 Inc. VAT£2.78 Exc. VAT
272 in stock Certifire Approved
FD30
LP1004DS/BR/LIGHT
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip 10x4mm Light Brown
£4.92 Inc. VAT£4.10 Exc. VAT
269 in stock Certifire Approved
FD30
FO1004/BK
Pyroplex Fire Only Intumescent Strip, 10mm x 4mm x 2.1m, Black
£1.80 Inc. VAT£1.50 Exc. VAT
1278 in stock Bulk Buy
Certifire Approved
FD30
LP1504DS/WH-75
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip - 15 x 4mm, White - Pack of 75
£392.24 Inc. VAT£326.87 Exc. VAT
32 in stock Certifire Approved
FD60
FS2004/BK
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 20mm x 4mm x 2.1m Black
£3.59 Inc. VAT£2.99 Exc. VAT
904 in stock Certifire Approved
FS1404
Pyroplex Harmony Acoustic & Smoke Perimeter Corner Seal - 12mm x 12mm - White
£3.48 Inc. VAT£2.90 Exc. VAT
140 in stock Certifire Approved
FD30
LP1504FO/BLK
Lorient Fire Only Seal 15x4mm Black
£3.34 Inc. VAT£2.78 Exc. VAT
934 in stock Certifire Approved
FD30
LP1504AS/BLK
Lorient AS (Side Fin) Acoustic Fire & Smoke seal 15x4mm Black
£9.29 Inc. VAT£7.74 Exc. VAT
343 in stock Certifire Approved
FD30
LP1004AS/BLK
Lorient AS (Side Fin) Acoustic Fire & Smoke seal 10x4mm Black
£6.14 Inc. VAT£5.12 Exc. VAT
292 in stock Certifire Approved
FD30
FS1504/TF/BR
Pyroplex Fire & Smoke Seal Intumescent Strip, Twin Fin, 15mm x 4mm x 2.1m, Brown
£2.92 Inc. VAT£2.43 Exc. VAT
147 in stock Certifire Approved
FD30
LP1504SS/WH
Lorient SS Fire & Smoke seal 15x4mm White
£3.66 Inc. VAT£3.05 Exc. VAT
1745 in stock Certifire Approved
FD60
FS2504/WH
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 25mm x 4mm x 2.1m, White
£4.69 Inc. VAT£3.91 Exc. VAT
332 in stock Certifire Approved
FD30
LP1504DS/GY
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip 15x4mm Grey
£5.36 Inc. VAT£4.47 Exc. VAT
15 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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