• Over 85 Years of
    Manufacturing
    Experience

    The AM Group has a rich history of manufacturing
    excellence with resources now in 3 continents –
    Europe, USA and Australia.

  • Engineered Product
    Solutions Customised
    To Your Needs

    Our engineering staff understand that they need to
    listen and have a flexible approach to product
    design to acheive the best results for our customers.

  • Building Strong
    Partnerships

    We pride ourselves on helping our customers enhance
    their businesses by providing them competitive advantages
    through innovative high quality customised products.

  • Quality fit for purpose
    products at value for
    money price

    All our products are designed and manufactured
    to suit specific requirements and provide value
    in form, function and reliability.

  • 100% Product Guarantee
    and customer support

    As a solution provider we stand by our designs and
    products. We pride ourselves in providing genuine
    after sales back up and service.

  • Doors for Truck
    Bodies & Trailers

    Our range includes a variety of single and
    double skin aluminium roller shutters, wood
    sectional roll-up doors composite sectional
    roll-up doors and more.

  • Doors For Commercial
    & Industrial Buildings

    Our range includes steel and aluminium roller shutters,
    fire shutters, insulated shutters, bi-folding and tilt doors,
    hi-speed doors, hinged doors and more.

  • Security Products
    for commercial &
    Industrial Buildings

    Our range includes multiple points locking systems for hinged
    doors and roller shutters, security doors, ballistic doors,
    prison doors, security and ballistic windows and more.

  • Ventilation & Facade
    Products for commercial
    & Industrial Buildings

    Our range inlcudes fixed and operable ventilation louvres,
    screening and sun shade products as well as custom designed
    or manufactured to specification facades for buildings.

North American Companies

Our North American operations trade under the Diamond Roll-Up Door and Dover Roller Shutters brand names. Both businesses are based in Upper Sandusky, Ohio, USA. Here is a brief introduction to our North American companies.



Diamond Door

Diamond Roll-Up Door

Diamond Roll-Up Door is manufacturer of roll-up door products for the transportation industry using wood, aluminum and composite materials. In addition to designing and supplying complete door products we also supply replacement parts covering our own as well as competitor door products.
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Our operations are based in Upper Sandusky, Ohio and we distribute our door products and parts throughout North and South America to truck body and trailer manufacturers, aftermarket distributors and fleet buyers.

Diamond Roll-Up Door is an innovative designer of roll-up door products and was the first to develop and supply composite door panels for roll-up doors.

Diamond also custom designs and manufactures a range of aluminum roll-up doors under the brand name Dover Roller Shutters.

For more information, visit our website www.diamonddoor.com/




Dover Roller Shutters

Dover Roller Shutters

Dover Roller Shutters manufacturers the most comprehensive range of proprietary aluminum roll-up doors in the US for commercial vehicles, emergency service vehicles and fire engines. We specialize in designing aluminum roll-up door solutions to suit customer specific requirements and applications. Read more

Our operations are based in Upper Sandusky, Ohio and we distribute throughout the North and South America through truck body builders.

Our proprietary range of roll-up doors (or roller shutters) products also have uses in architectural applications as well as for compartment doors, tool boxes and product display security doors.

Curtain materials include extruded aluminum in single skin and box section designs. Slotted Curtains and polycarbonate Slats can be provided for vision or ventilation. Doors can be designed for manual or electric operation. A large variety of locking systems can be provided to suit door applications and security needs. Rubber Seals can be provided around the door perimeter and even between Slats for weather protection. Also ask about door position monitoring, cabinet lighting and centralised locking options.

Aluminum roll-up doors can be provide in Mill Finish, Anodised, Powder Coated or wet spray paint systems.

Whatever your needs in aluminum roll-up doors Dover Roller Shutters will have a solution. For more information, visit out website www.doverrollershutters.com/



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