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Certifire Approved
FD30
FS1004/GY
Pyroplex Fire & Smoke Seal Intumescent Strip - Brush, 10 x 4mm, 2.1m, Grey
£1.99 Inc. VAT£1.66 Exc. VAT
596 in stock Certifire Approved
IS1010/BR/DARK
Lorient LAS1010 Batwing Acoustic & Smoke Seal - 10mm x 10mm - Dark Brown
£6.44 Inc. VAT£5.37 Exc. VAT
38 in stock Certifire Approved
FD30
LP1004TS/BR/LIGHT
Lorient TS (Centre Twin Fin) Acoustic Fire & Smoke 10x4mm Light brown
£5.33 Inc. VAT£4.44 Exc. VAT
95 in stock Certifire Approved
FD60
FS2004/TF/BR
Pyroplex Fire & Smoke Seal Intumescent Strip, Twin Fin, 20mm x 4mm x 2.1m, Brown
£4.03 Inc. VAT£3.36 Exc. VAT
8 in stock Certifire Approved
FD30
LP1004TS/WH
Lorient TS (Centre Twin Fin) Acoustic Fire & Smoke 10x4mm White
£5.33 Inc. VAT£4.44 Exc. VAT
281 in stock Certifire Approved
FD60
FS2004/GY
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 20mm x 4mm x 2.1m, Grey
£3.59 Inc. VAT£2.99 Exc. VAT
249 in stock Bulk Buy
Certifire Approved
FD60
FO2004/WH - Bulk Pack 70
Pyroplex Fire Only Intumescent Strip, 20mm x 4mm x 2.1m, White (Pack of 70)
£175.27 Inc. VAT£146.06 Exc. VAT
15 in stock Bulk Buy
Certifire Approved
FD30
LP1504FO/BR/LIGHT-75
Lorient Fire Only Seal 15x4mm Light Brown (Pack of 75)
£218.81 Inc. VAT£182.34 Exc. VAT
1 in stock Certifire Approved
FD60
LP2004TS/WH
Lorient TS (Centre Twin Fin) Acoustic Fire & Smoke 20x4mm White
£9.62 Inc. VAT£8.02 Exc. VAT
294 in stock Certifire Approved
FD60
FS2504/BR
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 25mm x 4mm x 2.1m, Brown
£4.69 Inc. VAT£3.91 Exc. VAT
20 in stock Bulk Buy
Certifire Approved
FD60
FS2004/BR - Bulk Pack 35
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 20mm x 4mm x 2.1m, Brown (Pack of 35)
£110.16 Inc. VAT£91.80 Exc. VAT
16 in stock Bulk Buy
Certifire Approved
FD60
LP2004SS/WH-50
Lorient SS Fire & Smoke Seal 20x4mm White (Pack of 50)
£239.45 Inc. VAT£199.54 Exc. VAT
4 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
25 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)
£133.38 Inc. VAT£111.15 Exc. VAT
12 in stock Certifire Approved
FD60
FS2004/F/BLK
Pyroplex Fire & Smoke Seal Intumescent Strip, Single Fin, 20mm x 4mm x 2.1m, Black
£4.42 Inc. VAT£3.68 Exc. VAT
176 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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