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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
735 in stock 
IS1206/BLK
Lorient LAS1206 Single Batwing Seal - 10mm - Black
£5.51 Inc. VAT£4.59 Exc. VAT
1238 in stock Bulk Buy
Certifire Approved
FD30
FO1004/WH - Bulk pack 125
Pyroplex Fire Only Intumescent Strip, 10mm x 4mm x 2.1m, White (Pack of 125)
£166.48 Inc. VAT£138.73 Exc. VAT
59 in stock Certifire Approved
LAS7001/1M
Lorient LAS7001si Perimeter Smoke Seal 1m
£18.72 Inc. VAT£15.60 Exc. VAT
74 in stock Bulk Buy
Certifire Approved
FD30
FS1504/BK - Bulk pack 50
Pyroplex Fire & Smoke Seal Intumescent Strip, Brush, 15mm x 4mm x 2.1m, Black (Pack of 50)
£115.20 Inc. VAT£96.00 Exc. VAT
61 in stock Certifire Approved
FD30
LP1504DS/BLK
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip 15x4mm Black
£5.36 Inc. VAT£4.47 Exc. VAT
550 in stock Certifire Approved
FD30
LP1504AS/WH
Lorient AS (Side Fin) Acoustic Fire & Smoke seal 15x4mm White
£9.29 Inc. VAT£7.74 Exc. VAT
553 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
15 in stock Bulk Buy
Certifire Approved
FD30
LP1504SS/WH-50
Lorient SS Fire & Smoke Seal 15x4mm White (Pack of 50)
£173.29 Inc. VAT£144.41 Exc. VAT
36 in stock Bulk Buy
Certifire Approved
FD30
LP1504DS/WH-75
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip 15x4mm White (Pack of 75)
£379.14 Inc. VAT£315.95 Exc. VAT
29 in stock Certifire Approved
IS1515/WH
Lorient LAS1015 Batwing Acoustic & Smoke Seal - 15mm x 15mm - White
£7.94 Inc. VAT£6.62 Exc. VAT
228 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
76 in stock 
ES/SDS/BLK
Envirograf Surface Mounted Intumescent Strip Single Doorset - Black
£55.06 Inc. VAT£45.88 Exc. VAT
18 in stock 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
283 in stock Certifire Approved
FD30
LP1504DS/BR/DARK
Lorient DS (Side Twin Fin) Acoustic Fire & Smoke Intumescent Strip 15x4mm Dark Brown
£5.36 Inc. VAT£4.47 Exc. VAT
341 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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