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Certifire Approved
IS1007/WH
Lorient LAS1007 Single Batwing Seal - 14mm - White
£8.14 Inc. VAT£6.78 Exc. VAT
81 in stock Certifire Approved
FD30
FO1004/GY
Pyroplex Fire Only Intumescent Strip, 10mm x 4mm x 2.1m, Grey
£1.88 Inc. VAT£1.57 Exc. VAT
628 in stock Certifire Approved
FD60
LP2004TS/BR/LIGHT
Lorient TS (Centre Twin Fin) Acoustic Fire & Smoke 20x4mm Light Brown
£8.57 Inc. VAT£7.14 Exc. VAT
219 in stock Bulk Buy
Certifire Approved
FD30
LP1504FO/WH-75
Lorient Fire Only Seal 15x4mm White (Pack of 75)
£237.48 Inc. VAT£197.90 Exc. VAT
46 in stock Bulk Buy
Certifire Approved
FD30
FO1504/BR - Bulk Pack 75
Pyroplex Fire Only Intumescent Strip, 15mm x 4mm x 2.1m, Brown (Pack of 75)
£132.94 Inc. VAT£110.78 Exc. VAT
29 in stock Certifire Approved
FS1407
Pyroplex Harmony Acoustic & Smoke Perimeter Corner Seal - 12mm x 12mm - Black
£3.44 Inc. VAT£2.87 Exc. VAT
82 in stock Bulk Buy
Certifire Approved
FD30
FS1504/F/BLK - Bulk Pack 50
Pyroplex Fire & Smoke Seal Intumescent Strip, Single Fin, 15mm x 4mm x 2.1m, Black (Pack of 50)
£116.69 Inc. VAT£97.24 Exc. VAT
11 in stock Certifire Approved
FD60
LP2004TS/BLK
Lorient TS (Centre Twin Fin) Acoustic Fire & Smoke 20x4mm Black
£8.57 Inc. VAT£7.14 Exc. VAT
275 in stock Bulk Buy
Certifire Approved
IS1515/WH-90
Lorient LAS1015 Batwing Acoustic & Smoke Seal - 15mm x 15mm - White (Pack of 90)
£578.66 Inc. VAT£482.22 Exc. VAT
3 in stock Certifire Approved
FS1404
Pyroplex Corner Seal - 12mm x 12mm - White
£3.44 Inc. VAT£2.87 Exc. VAT
325 in stock Certifire Approved
FD30
LP1504FO/BR/DARK
Lorient Fire Only Seal 15x4mm Dark Brown
£3.34 Inc. VAT£2.78 Exc. VAT
323 in stock Certifire Approved
IS1515/BLK
Lorient LAS1015 Batwing Acoustic & Smoke Seal - 15mm x 15mm - Black
£7.94 Inc. VAT£6.62 Exc. VAT
273 in stock Certifire Approved
FD30
LP1504TS/BR/LIGHT
Lorient TS (Centre Twin Fin) Acoustic Fire & Smoke 15x4mm Light Brown
£7.02 Inc. VAT£5.85 Exc. VAT
206 in stock Certifire Approved
Sale
FS1405
Pyroplex Harmony Perimeter Corner Seal - 12mm x 12mm - Brown
£3.44 Inc. VAT£2.87 Exc. VAT£2.34 Inc. VAT£1.95 Exc. VAT
95 in stock Certifire Approved
FD30
LP1004FO/BLK
Lorient Fire Only Seal 10x4mm Black
£2.78 Inc. VAT£2.32 Exc. VAT
325 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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