Strongdor's Steel Door Range

Steel Personnel Door

Strongdor’s Steel Personnel Door is a bespoke, built-to-order solution for both internal and external use, offering acoustic ratings of up to 39 dB, corrosion-resistant steel, and a wide range of features and configurations.

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Steel Door Thresholds

To ensure your door-set is fit for purpose, it is important that you have the correct threshold for your steel door specification. Suitable for access to all, Strongdor thresholds are Part M compliant.

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Steel Door Colours & Coatings

To ensure maximum durability, all our doors are supplied with a high-quality powder coating finish.

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Steel Door Louvred Side & Top Panels

Designed to increase airflow in areas that need efficient ventilation, Strongdor steel louvre side and top panels offer a simple, flexible solution that does not compromise security or structural integrity.

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Steel Door Rain Drips & Deflectors

Strongdor rain drips are designed to prevent the rain from travelling down the face of your door leaf. To prevent water ingress, rain deflectors are designed to carry water over the threshold.

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Steel Door Side & Top Panels

Facing oversized doorways or craving more light? Our structural panels are the solution. Reduce door sizes with ease or boost natural light by adding a glazed top or side panel. They’re also perfect as stand-alone partitions to fill redundant doorways effortlessly.

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Steel Door Frames

Frames are manufactured from 1.5 mm thick ‘Rustec’ steel with a minimum of six fully adjustable fixing points are provided to each jamb. Most are supplied with unique ‘Adjust2-fit’ side channels with each frame. Frames are powder-coated to match (or contrast ) with the leaf.

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Steel Door Seal Options

Supplied as standard for all steel door-sets, Strongdor offers variable seal options for every specification.

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Steel Door Vision Panels

Inserted into a standard steel door leaf, vision panels satisfy the circulation across routes requirement of Part M of the Building Regulations. Produced in various panel formats and sizes, some of which can be fire-rated, there is also a choice of glazing options depending on the door's application.

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Steel Security Drop Bars

Designed for use on single leaf, double leaf and leaf and a half door-sets, Strongbar steel door security drop bars secure the leaf against the door frame, by means of bolted brackets, giving greater protection against forced entry or break-in.

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Steel Door Trolley Guard

Specifically designed to protect steel doors and hardware from impact damage in high-traffic areas.

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Thermal and Fire Rated Steel Door

Strongdor’s Firedor Thermal & Fire Rated Steel Door delivers combined energy efficiency (U-value down to 1.5 W/m²K), fire protection up to E60, acoustic insulation (36 dB), custom configurations and fast lead times.

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Steel Emergency Exit Door

Strongdor's Steel Emergency Exit Doors provide a dependable, CE-certified solution for secure and efficient emergency egress in commercial and industrial environments. Built to order and fully configurable, these doors combine compliance, safety, and speed.

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Security Rated Steel Door - PAS 24

Securidor PAS 24 steel doors offer enhanced security performance for internal and external use to enable entry and exit. These door-sets are available with a U-value as low as 1.5Wm2K and an acoustic rating up to 39dB.

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Louvred Steel Door

Reliable airflow and security combined, Strongdor’s steel louvred doors deliver up to 50% free airflow, bespoke panel sizes, optional mesh, powder-coated finishes, and PAS 24 certification where required.

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Thermally Rated Steel Door

Strongdor’s Thermally Rated Steel Door offers bespoke insulation to meet Part  L regulations, acoustic performance up to 39 dB, expandable frame, and full customisation for commercial and residential use.

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Fire Rated Internal Steel Door

Firedor fire-rated internal steel doors are bespoke solutions tested to E120 fire protection and up to 36 dB acoustic insulation. Ideal for internal escape routes and stairwells.

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Fire Rated Latchless Steel Door

Firedor Latchless was developed for the growing need of high traffic communal entrances and corridors. Fire-rated up to E120 and CE marked to BS EN 14351-1 and EN 16034 standards.

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Fire Rated External Steel Door

Strongdor’s external fire-rated steel doors offer E120 integrity, EW60 resistance, acoustic insulation to 36 dB, PAS 24 security upgrade, custom configurations, powder-coated finishes, and quick lead times.

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Fire Rated Smoke Steel Door

Strongdor’s internal Fire Rated Smoke Steel Door offers E120 fire integrity and E120Sa smoke control, with configurable sizes, an integrated astragal, and a fast delivery turnaround.

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PAS 24 - Secured By Design Steel Door

Strongdor Secured by Design door-sets are certified to comply with the standards set by the national Police initiative to improve the security of buildings and their immediate surroundings, to provide safe places to live, work, shop and visit.

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Security Rated Steel Door - SR2

Certified to LPS 1175: Issue 8, the Securidor S2 security door range comprises of single and double security-rated steel door-sets that are specifically designed for use in locations that would benefit from enhanced protection. Available with fire-rating upgrade up to E120 and UKCA | CE marked to BS EN 14351-1 and EN 16034 standards.

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Security Rated Steel Door - SR3

The Securidor+ S3 security door range comprises of single and double security-rated steel door-sets that are specifically designed for use in locations that would benefit from enhanced protection.

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Security Rated Steel Door - SR4

The Securidor+ S4 security door range is accredited to offer a high level of security against potential attacks from heavy duty tools such as felling axes and disc grinders.

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Attackdor – LPS 1673 Certified Security Steel Door

Certified to LPS 1673, the Attackdor security-rated steel door is purpose-built to withstand targeted, violent attacks. It is ideal for protecting people and assets in high-risk environments.

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Sportdor - Sports Hall Emergency Exit Door

Sportdor is Strongdor’s purpose-built emergency exit door designed for sports halls. Impact-resistant, thermally efficient to U‑value 1.5 W/m²K, and custom-sized up to 3 m high for safe, compliant exit doors.

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