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Certifire Approved
FD60
LP2004FO/WHITE
Lorient Fire Only Seal 20x4mm White
£4.38 Inc. VAT£3.65 Exc. VAT
138 in stock Certifire Approved
FD30
LP1004AS/BR/DARK
Lorient AS (Side Fin) Acoustic Fire & Smoke 10x4mm Dark Brown
£6.14 Inc. VAT£5.12 Exc. VAT
121 in stock Certifire Approved
FD60
FO2504/WH
Pyroplex Fire Only Intumescent Strip, 25mm x 4mm x 2.1m, White
£4.48 Inc. VAT£3.73 Exc. VAT
135 in stock Certifire Approved
FD60
LP2004DS/BR/DARK
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip 20x4mm Dark Brown
£6.46 Inc. VAT£5.38 Exc. VAT
93 in stock Certifire Approved
FS1407
Pyroplex Harmony Acoustic & Smoke Perimeter Corner Seal - 12mm x 12mm - Black
£3.48 Inc. VAT£2.90 Exc. VAT
109 in stock Certifire Approved
IS1212/BR/LIGHT
Lorient LAS1212 Batwing Acoustic & Smoke Seal - 12mm x 12mm - Light Brown
£5.70 Inc. VAT£4.75 Exc. VAT
140 in stock Certifire Approved
FD60
LP2004SS/WH
Lorient SS Fire & Smoke Seal 20x4mm White
£4.90 Inc. VAT£4.08 Exc. VAT
130 in stock Certifire Approved
FD60
LP2004FO/BR/DARK
Lorient Fire Only seal 20x4mm Dark Brown
£4.38 Inc. VAT£3.65 Exc. VAT
74 in stock Certifire Approved
Sale
FS1405
Pyroplex Harmony Perimeter Corner Seal - 12mm x 12mm - Brown
£3.48 Inc. VAT£2.90 Exc. VAT£2.34 Inc. VAT£1.95 Exc. VAT
170 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
579 in stock Certifire Approved
FD30
LP1504SS/BK
Lorient Fire & Smoke Seal 15x4mm Black
£3.66 Inc. VAT£3.05 Exc. VAT
47 in stock Certifire Approved
FD30
LP1504/FIN/BLK
Lorient Finesse Fire & Smoke Intumescent Strip 15x4mm Black
£7.79 Inc. VAT£6.49 Exc. VAT
382 in stock Certifire Approved
FD30
LP1004AS/BR/LIGHT
Lorient AS (Side Fin) Acoustic Fire & Smoke Seal 10x4mm Light Brown
£6.14 Inc. VAT£5.12 Exc. VAT
353 in stock Certifire Approved
FD30
LP1504FO/BR/DARK
Lorient Fire Only Seal 15x4mm Dark Brown
£3.34 Inc. VAT£2.78 Exc. VAT
221 in stock Bulk Buy
Certifire Approved
FD30
LP1504/FIN/WH-50
Lorient Finesse Fire & Smoke Intumescent Strip 15x4mm White (Pack of 50)
£379.67 Inc. VAT£316.39 Exc. VAT
24 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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