Super Seal are one of Northern Ireland’s leading manufacturers of Double Glazed PVC Windows and Doors.

We also manufacture GRP Composite Doors (Fire Doors & Secure By Design Doors) as well as Aluminium Windows and Patio Doors. We supply trade installers throughout Northern Ireland and the Republic of Ireland with products of superior quality and offer unparalleled levels of customer service.

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Quality, Security & Energy Efficiency

We strive to maintain high levels of quality in all our products and to constantly improve on the windows and doors which we offer. Energy efficiency is at the forefront of all our product designs, while security has always been a primary concern.

Our range of PVC doors and other products utilise Safeware security hardware accredited by the ‘Secured by Design’ police initiative, so homeowners can rest easy, while those in the trade can be sure of offering their customers secure and desirable products.

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