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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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  • 60 Min - Lorient System 90 2100mm
    60 Min - Lorient System 90 2100mm
    £27.56
    £27.56
    SpecificationComprises a U-shaped PVC profile containing an intumescent core. Tested with a range of glass types. System-90 PLUS is designed for 60-minute fire-resistant doors and screens. Contact our Technical Services team for more information. When...
  • 30 Min - Hodgson Strip (3 x 12mm)
    30 Min - Hodgson Strip (3 x 12mm)
    £19.00
    £19.00
    Intumescent strip sealant which provides 30 minutes of resistance to the passage of fire and smoke when used to glaze a wide variety of glass types into internal doors and softwood or hardwood timber screens....
  • Thermaglaze 60 (FD60)
    Thermaglaze 60 (FD60)
    £20.93
    £20.93
    Therm-a-Glaze 60 is designed to enable the glazed panels of fire doors in FD60 and FD60S rated timber fire doors using untreated hardwood beads to meet the requirements of BS 476:parts 20 & 22:1987. Depending...
  • 60 Min - Lorient 54mm Int Liner 2100mm
    60 Min - Lorient 54mm Int Liner 2100mm
    £6.58
    £6.58
    Lorient 54mm intumescent liners are typically included in System 36/ or System 90+ glazing channels. The intumescent liner can provide fire-resistance for up to 60 minutes as part of an approved glazing system. Available in...
  • Thermaglaze 30 (FD30)
    Thermaglaze 30 (FD30)
    £10.00
    £10.00
    Therm-a-Glaze 30 is a flexible, dry intumescent strip which is located discretely between each pane of fire safety glass and the beads holding it in place to provide protection for 30 minutes. Therm-a-Glaze 30 has...
  • 10 x 4 Plain Intumescent Strip
    10 x 4 Plain Intumescent Strip
    £3.01
    £3.01
    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 single...
    Color
  • 30 Min - Lorient 44mm Int Liner 2100mm
    30 Min - Lorient 44mm Int Liner 2100mm
    £6.48
    £6.48
    Lorient intumescent liners are typically included in System 36/ or System 90+ glazing channels. The intumescent liner can provide fire-resistance for up to 60 minutes as part of an approved glazing system. Available in two...
  • 10 x 4 Brush Intumescent Strip
    10 x 4 Brush Intumescent Strip
    £1.33
    £1.33
    STS Fire and Smoke Brush Intumescent Strip 10 x 4 Brush Intumescent Strips are designed for easy installation and provide superior fire protection. These strips feature a brush pile and serve as a traditional fire...
    Color
  • 15 x 4 Plain Intumescent Strip
    15 x 4 Plain Intumescent Strip
    £3.17
    £3.17
    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...
  • FAS Acoustic Dropseal
    FAS Acoustic Dropseal
    £24.50
    £24.50
    £16.00
    Application- Pedestrian doorsets, single and double leaf construction- Surface mounted substrates- Latched and unlatched doors- New build or retro-fit applications Product Features- Excellent compression and deflection performance- Low closing forces Purchase the "fitted into doors"...
  • 15 x 4 Brush Intumescent Strip
    15 x 4 Brush Intumescent Strip
    £1.58
    £1.58
    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 Plain Intumescent Strip
    20 x 4 Plain Intumescent Strip
    £2.71
    £2.71
    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
  • Hodgsons Firestrip 60 min
    Hodgsons Firestrip 60 min
    £25.32
    £25.32
    Intumescent strip sealant which provides 60 minutes of resistance to the passage of fire and smoke when used to glaze fire-rated glass into internal doors and timber screens. Features & Benefits Very cost effective compared...
  • Fire Door Foam 1 hour
    Fire Door Foam 1 hour
    £18.95
    £18.95
    Fire & Acoustic Seals 'Fire Door Foam' is a revolutionary Polyurethane Foam (PU Foam) designed to seal the gaps between walls and fire door frames, achieving fire protection for up to 1 hours. Sold in...
  • 30 Min - Lorient 36/6
    30 Min - Lorient 36/6
    £293.04
    £293.04
    60 meter roll Lorient System-36 consists of a flexible U-shaped intumescent gasket used with a range of standard fixing beads, for use in 30 minute fire resistant doors and screens. Suits glasses 5-7mm in thickness....
  • 30 Min - Pyroplex - 30054
    30 Min - Pyroplex - 30054
    £114.95
    £114.95
    150 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...

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.