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Certifire Approved
FD30
LP1004FO/WHITE-100
Lorient Fire Only Seal 10x4mm White (Pack of 100)
£258.56 Inc. VAT£215.47 Exc. VAT
4 in stock Certifire Approved
LAS1011
Lorient Firtree Acoustic & Smoke Seal 4mm - LAS1011 - Black
£6.05 Inc. VAT£5.04 Exc. VAT
379 in stock Certifire Approved
FD30
LP1504TS/BR/LIGHT
Lorient TS (Centre Twin Fin) Acoustic Fire & Smoke 15x4mm Light Brown
£7.88 Inc. VAT£6.57 Exc. VAT
44 in stock Certifire Approved
IS1212K/BK
Lorient LAS1212K Batwing-On-A-Stick - Black
£6.08 Inc. VAT£5.07 Exc. VAT
469 in stock Certifire Approved
FD60
LP2004FO/BLK
Lorient Fire Only Seal 20x4mm Black
£4.38 Inc. VAT£3.65 Exc. VAT
122 in stock Certifire Approved
FD60
FO2004/BR
Pyroplex Fire Only Intumescent Strip, 20mm x 4mm x 2.1m, Brown
£3.22 Inc. VAT£2.68 Exc. VAT
544 in stock Bulk Kit
Certifire Approved
FD30
LP1504SS/BR/LIGHT-50
Lorient Fire & Smoke Seal 15x4mm Light Brown (Pack of 50)
£147.34 Inc. VAT£122.78 Exc. VAT
15 in stock Certifire Approved
FD60
FO2504/BR
Pyroplex Fire Only Intumescent Strip, 25mm x 4mm x 2.1m, Brown
£4.48 Inc. VAT£3.73 Exc. VAT
150 in stock Bulk Buy
Certifire Approved
FD30
FS1004/TF/BR - Bulk pack 50
Pyroplex Fire & Smoke Seal Intumescent Strip, Twin Fin, 10mm x 4mm x 2.1m, Brown (Pack of 50)
£100.62 Inc. VAT£83.85 Exc. VAT
10 in stock Certifire Approved
FD30
FS1504/GY
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 15mm x 4mm x 2.1m, Grey
£2.71 Inc. VAT£2.26 Exc. VAT
1368 in stock Bulk Buy
Certifire Approved
FD30
FS1004/F/BR - Bulk Pack 50
Pyroplex Fire & Smoke Seal Intumescent Strip, Single Fin, 10mm x 4mm x 2.1m, Brown (Pack of 50)
£93.00 Inc. VAT£77.50 Exc. VAT
60 in stock Certifire Approved
FD60
LP2004AS/WH
Lorient AS (Side Fin) Acoustic Fire & Smoke seal 20x4mm White
£10.87 Inc. VAT£9.06 Exc. VAT
49 in stock Certifire Approved
IS1515/BR/LIGHT
Lorient LAS1015 Batwing Acoustic & Smoke Seal - 15mm x 15mm - Light Brown
£8.18 Inc. VAT£6.82 Exc. VAT
30 in stock Certifire Approved
IS1515/BR
Lorient LAS1015 Batwing Acoustic & Smoke Seal - 15mm x 15mm - Dark Brown
£8.18 Inc. VAT£6.82 Exc. VAT
61 in stock Certifire Approved
FD30
LP1504AS/BR/DARK
Lorient AS (Side Fin) Acoustic Fire & Smoke 15x4mm Dark Brown
£9.29 Inc. VAT£7.74 Exc. VAT
96 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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