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  Home > Fire Door Protection > Fire Door Seals - Aluminium

Sealmaster ®  intumescent fire and smoke seals comply with all relevant British Standards and conform to the requirements of UK Building Regulations. 

Sealmaster ® manufactures intumescent fire and smoke seals compatible with all types of fire-resisting door assemblies.

Link: Sealmaster Fire Door Seals Product Selector.

The heat-treated aluminium holder is attractice in appearance, easy to install, and retains the intumescent material securely and correctly positioned in the rebate but without weakening either the frame or door. Robust and durable in use, it offers excellent vandal and damage-resistance, plus good heat conductivity to assist early intumescence.

Most Sealmaster ® seals use an intumescent material based on mono-ammonium phosphate to produce a low-pressure, high volume foam. Although the intumescent material remains hard under normal conditions, it intumesces rapidly at approximately 140 °C, and achieves a 40-fold expansion ratio.

Ultima seals use a high-pressure exfoliated graphite foam to produce high expansion with high pressure to restrict door leaf movement in the event of a fire.

All fire seals contain sufficient intumescent material to ensure fire integrity ratings of either 30 or  60 minutes, depending on seal choice.

Smoke seals use a flame-retarding elastomeric blade seal which acts as a draught seal in normal use and prevents the passage of hot or cold smoke, noxious gases and flames during a fire.

All seals are 1050mm in length and are supplied with fixing pins. The blade in Sealmaster ® smoke seals can be inexpensively replaced if required.

Sealmaster ® is a registered trademark of Dixon International Group Limited, Cambridge, UK.

Sealmaster IF30. 30 min fire sealSealmaster IF30. 30 min fire seal
Intumescent fire seal in aluminium carrier. BS / EN rated for 30 mins. Sold in 1050mm lengths
£17.63
Sealmaster IF60. 60 min fire sealSealmaster IF60. 60 min fire seal
Intumescent fire seal in aluminium carrier. BS / EN rated for 60 mins. Sold in 1050mm lengths
£22.57
Sealmaster N30. 30 min Fire & Smoke sealSealmaster N30. 30 min Fire & Smoke seal
Blade type fire and smoke seal. BS / EN 30 min rated. Sold in 1050mm lengths
£18.59
Sealmaster N60. 60 min Fire & Smoke sealSealmaster N60. 60 min Fire & Smoke seal
Blade type fire and smoke seal. BS / EN 60 min rated. Sold in 1050mm lengths.
£23.08
Sealmaster IMN/IMP 30min double door sealSealmaster IMN/IMP 30min double door seal
Two part fire and smoke seal for protecting double doors. Sold in 1050mm lengths. IMN is a Fire & Smoke Seal - IMP is a fire only seal. IMN and IMP seals sold separately.
£23.08
Sealmaster N60S/IMP. 60min double door sealSealmaster N60S/IMP. 60min double door seal
Two part 60 min. fire & smoke seals for single-leaf, double-action doors | N60S is a Fire & Smoke Seal | IMP is a fire only seal | N60S and IMP seals sold separately in 1050mm lengths.
£23.08
Sealmaster Ultima 60(S). 60 min sealSealmaster Ultima 60(S). 60 min seal
Fire and smoke seal featuring high expansion pressure and larger gap filling potential. Sold in 1050mm lengths.
£23.08
Sealmaster Intumescent PlugsSealmaster Intumescent Plugs
Fire protection for potential weak points such as hinges and latch plates.
£15.54


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