Renewables Sector


We are the world’s leading marine door manufacturer and supplier. With over 30 years experience, we supply door solutions to Shipbuilding, the Naval Sector, Oil & Gas Sector and On/Offshore Wind Energy Projects.


As the world’s demand for energy moves progressively into tidal, wind and solar, we have developed new products to sustain the production of renewable energy. We provide wind turbine doors, as well as substation doors and hatches for both offshore or land based installation. We specialise in A60 External Doors, A60 Double Doors, 6 Clip Doors and Watertight Hatches.


Our capabilities are growing and as such, we are successfully manufacturing and supplying materials to substations across the UK and worldwide.


As UK’s biggest marine door specialist, we are able to harness best practice and innovation from these areas to benefit our substation clients. We operate to exceptionally high standards of safety; design assurance and change control to give you complete confidence in our service from design to delivery and installation.


Quality and safety are paramount at MML Marine. All of our products go through vigorous safety checks before shipment and are fully certified to meet international industry standards, such as MED, Lloyds, DNV, USCG and BV certification.


Reputable, reliable and competitively priced, let MML Marine serve you specific door and hardware requirements today.


Contact MML Marine today to request a quote on +44(0)141 814 6550 or email us at sales@m-m-l.com and we will do our best to accommodate your requirements.


A60 External Door

A60 External Door

This is an A60 class door used where customer ...

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A60 Double Door

A60 Double Door

This is an A class door used where customer ...

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6 Clip Weathertight Door

6 Clip Weathertight Door

6 clip single action external watertight door.

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Watertight Hatch

Watertight Hatch

Manufactured from 8mm thick cover plate.

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A60 Offshore Escape Hatch

A60 Offshore Escape Hatch

A60 offshore escape hatches suitable for offshore platforms.

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Hydraulic Deck Hatch

Hydraulic Deck Hatch

Bespoke designed hydraulic hatches for offshore substation.

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Lift Off Deck Hatch

Lift Off Deck Hatch

Bespoke designed lift hatches for offshore substation.

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For more information, contact us on:

+44 (0)141 814 6550
sales@m-m-l.com
For Ironmongery contact hardware@m-m-l.com