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Fire Door Seals UK | Instrument strips & Glazing Systems | QDoors

Seals

We offer a comprehensive range of high-performance seals designed to enhance the safety, acoustic performance, and fire resistance of internal doors. Our selection includes intumescent fire seals for FD30 and FD60 doors, acoustic drop seals for sound reduction, and glazing seals for secure, compliant vision panel installations. All seals are manufactured to meet relevant industry standards and ensure long-lasting, reliable performance.
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  • 15 x 4 Intu/Twin Flipper 2100mm
    15 x 4 Intu/Twin Flipper 2100mm
    £2.60
    £2.60
    The FAS range of Fire Door Seals provides the traditional seal for fire rated timber door edges and frames. Rigid Box Fire Door Seals are suitable for rebates in timber door leafs or frames in...
    Color
  • 20 x 4 Brush Intumescent Strip 2.1m
    20 x 4 Brush Intumescent Strip 2.1m
    £2.00
    £2.00
    This intumescent strip with brush pile provides a traditional fire, smoke and acoustic seal for fire-rated timber door edges and frames. Features & Benefits Provides fire, smoke and acoustic resistance. Supplied with a self-adhesive backer...
    Color
  • 30 Min - Lorient System 36/10 PLUS
    30 Min - Lorient System 36/10 PLUS
    £7.96
    £7.96
    Lorient’s System 36/10 is a flexible U-shaped intumescent gasket designed for 30-minute fire-resistant doors and screens and is suitable for glass thickness of 9mm - 11mm. When using approved glass types it provides 60-minute fire...
  • 30 Min - Pyroplex U-Channel
    30 Min - Pyroplex U-Channel
    £132.43
    £132.43
    100 meter roll Pyroplex fire-resisting glazing systems offer a range of solutions for glazing vision panels in fire doors. Pyroplex fire-resisting glazing systems are available for 30 minute applications. This suits glass sizes from 6-7mm....
  • CCE Appliqué acoustic surface-mounted drop seal on a white background
    CCE Applique Acoustic Surface Mounted Drop Seal
    £34.70
    £34.70
    £16.00
    Introducing our high-performance CCE Appliqué Acoustic surface-mounted drop seal, designed to enhance the functionality of your fire doors. This drop seal is expertly crafted to protect your interior from the outdoor elements, noise, light, insects...
  • Lorient LAS8002 SI face-fixed automatic drop seal in silver anodised aluminium
    Lorient Drop Seal Grey Gasket LAS8002SI
    £34.48
    £34.48
    £16.00
    Lorient's slimline, face-fixed automatic drop seal features a high-efficiency mechanism, which lifts the seal clear of the floor as soon as the door is opened by a few millimetres, resulting in lower door operating forces....
  • 30 Min - Pyroplex - 30049
    30 Min - Pyroplex - 30049
    £97.33
    £97.33
    100 meter roll Pyroplex fire-resisting glazing systems offer a range of solutions for glazing vision panels in fire doors. Pyroplex fire-resisting glazing systems are available for 30 minute applications. Pyroplex 30 minute glazing systems are...
  • 20 x 4 Intu/Twin Flipper 2100mm
    20 x 4 Intu/Twin Flipper 2100mm
    £3.74
    £3.74
    The FAS range of Fire Door Seals provides the traditional seal for fire rated timber door edges and frames. Rigid Box Fire Door Seals are suitable for rebates in timber door leafs or frames in...
    Color
  • Lorient LAS8002 SI face-fixed automatic drop seal in silver anodised aluminium
    Face-Fixed Drop Seal Lorient LAS8002 SI
    £34.04
    £34.04
    £16.00
    Lorient's slimline, face-fixed automatic drop seal features a high-efficiency mechanism, which lifts the seal clear of the floor as soon as the door is opened by a few millimetres, resulting in lower door operating forces....
  • Lorient LAS8003 SI slimline automatic drop seal
    Automatic Drop Seal Lorient LAS8003 SI
    £32.87
    £32.87
    £16.00
    Lorient's LAS8003 si is a slimline, face-fixed or semi-mortised automatic drop seal. It features a high-efficiency mechanism that lifts the seal clear of the floor as soon as the door is opened by a few...
  • Lorient LAS8001 SI heavy-duty mortised automatic drop seal
    Automatic Drop Seal Lorient LAS8001 SI
    £24.25
    £24.25
    £16.00
    Lorient's popular LAS8001 si is a heavy-duty, slimline, mortised automatic drop seal designed for rebating into doors. It features a high-efficiency mechanism which lifts the seal clear of the floor as soon as the door...
  • Lorient System 36/15 PLUS for 30 & 60 min Fire Doors
    Lorient System 36/15 PLUS for 30 & 60 min Fire Doors
    £8.78
    £8.78
    Lorient’s System-36/15 is a flexible U-shaped intumescent gaskets designed for 30 minute fire resistant doors and screens and suitable for glass thickness of 14mm - 16mm. When using approved glass types it provides 60 minute...
  • 10 x 4 Intu/Twin Flipper 2100mm
    10 x 4 Intu/Twin Flipper 2100mm
    £3.75
    £3.75
    The FAS range of Fire Door Seals provides the traditional seal for fire rated timber door edges and frames. Rigid Box Fire Door Seals are suitable for rebates in timber door leafs or frames in...
    Color

Seals

Our seals improve the safety, acoustic performance, and fire resistance of internal and fire-rated doors. The range covers intumescent fire seals for FD30 and FD60 doors, which expand in heat to close the gaps around the door and resist the spread of fire and smoke, alongside acoustic drop seals for sound reduction and intumescent glazing seals for compliant vision panel installations.

You will find plain and brush intumescent strips in a choice of sizes (10x4, 15x4 and 20x4) and colours to suit timber door edges and frames, plus trusted branded glazing systems from Lorient, Hodgson, Pyroplex and Therm-a-Glaze, and fire door foam for sealing the gap between frame and wall. All seals are made to meet the relevant standards, and the correct seal always depends on the door's certified specification.

Why choose Qdoors door seals

  1. Intumescent fire seals for FD30 and FD60 doors, in plain and brush types.
  2. A choice of sizes (10x4, 15x4, 20x4) and colours to match the door and frame.
  3. Trusted glazing systems from Lorient, Hodgson, Pyroplex, and Therm-a-Glaze.
  4. Acoustic drop seals and fire door foam to complete the installation.

FAQ: Seals

What is an intumescent door seal?
An intumescent seal is a strip fitted into the edge of a fire door or frame that expands when exposed to heat, sealing the gaps to slow the spread of fire and smoke. It is an essential part of a certified fire door assembly.

What is the difference between plain and brush intumescent strips?
 A plain strip provides fire and smoke resistance on its own, while a brush strip adds a brush pile that also helps resist the passage of cold smoke and improves the seal around the door. The right choice depends on the door's certification.

What is a drop-down door seal for?
 An acoustic drop seal is fitted to the bottom of the door and lowers automatically as the door closes, sealing the threshold gap to reduce sound transfer. It suits single and double doors in both new build and retrofit.

Which seal do I need for my fire door?
 The correct seal depends on the door's fire rating (FD30 or FD60) and its certified specification, including the strip size and whether glazing seals are required. If you are unsure, contact us with the door details and we will advise.