Trinity Glazing Ltd work with suppliers from across the UK to ensure they can offer homeowners an affordable bespoke secondary glazing solution that is quiet, warm, and secure.
Engineered using industry leading technology, Trinity Glazing Ltd secondary glazing units are produced in-house at our suppliers Dinnington-based, 40,000 square foot manufacturing facility.
Created using calibrated CNC machinery, this ensures the entire product range is rigorously evaluated throughout every stage of the manufacturing process. This level of diligence is why our suppliers are fully accredited by the BBA, CHAS and ISO9001, respectively.