Firman Glass Ltd - Toughened glass for a range of applications

Manufactured in our Romford factory, we supply our toughened glass products to clients across the UK.

Manufacturers of industry-leading Firmatuff glass

Firman Glass manufactures a comprehensive range of toughened glass products under the industry recognised Firmatuff name. Firmatuff covers a multitude of end uses from architectural, through to retail and domestic. It can be produced to a maximum size of 2850mm wide x 4950mm long and up to 19mm thick in its monolithic form.

The base product for Firmatuff toughened glass is annealed soda-lime silica glass. The raw material is subjected to a heat treatment process, which induces a compressive stress to the surfaces of the glass panel. This increase in compressive stress increases the resistance to mechanical forces. Generally, toughened glass is five times stronger than the same thickness of annealed glass which when fractured breaks. The balanced internal stresses created during this heating process causes the glass to shatter into small, granular chunks instead of the more dangerous jagged shards of non-toughened glass.

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