Industrial & Residential | Roller & Sectional Doors
Magroll by D4 Products

About Us

D4 Products was founded in 2004 in it’s home of County Donegal, Ireland. The directors have a successful and varied range of business experience with over 25 years in the roller door industry. D4 are now looking to the future, and have recently invested in an industrial site & storage facilities in Carndonagh, County Donegal, which will see the company’s expansion will into the foreseeable future.

For insulated roller shutter doors we are the market leader in Ireland, boasting a range of unique profiles and products which compliment our customer’s needs. Working primarily in Business-to-Business sales, we are dedicated to process improvement in our Donegal facilities and delivering quality product to our customers in a timely fashion.

In 2015 we made a strategic partnership with Ryterna™ to add insulated sectional doors to our product portfolio. We are one of only two trusted distributed for Ryterna™ products in Europe, and manufacture these to order in our facility in Quigley’s Point, County Donegal.


D4 have been extremely innovative since inception and boast a selection of unique roll forming lines including the range-topping industrial insulated doors. Here at D4 Products we take pride in continually developing our Magroll™ product range with new iterations of our current range, as well as new innovative products focused on improving end-user experience.

The Magroll™ brand has grown to include:

  • Our Unique Magroll™ 95mm Indsutrial Roller Shutter Door
  • The Magroll™ 77mm Domestic Roller Shutter Door
  • The Magroll™ Sectional Door, fulfilled by Ryterna­™
  • A complete catalogue of motors and ancillary products which fully integrate not only with our Magroll™ product range, but also almost all recognised 75mm single skin shutters on sale in Ireland & the UK.

Our current focus is in developing a world-leading standard for high-speed roller shutter doors and developing an IT system which facilitates our growth and helps us achieve our aspirations with 2020 vision.


As a company we have enjoyed sustained growth over the years and have established a strong dealer network across the UK & Ireland, offering less than a 7 day lead time from order to delivery.

At D4 we aspire to set out from the crowd as a clear market leader in providing industrial and high-speed insulated roller door solutions across both Ireland & the UK, and further grow our export markets.

One of our primary goals is to provide the highest level of quality in our products, while still maintaining a competitive price.