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Panel Dimensions

The Optima Technishield 25 system is available as follows:

Maximum Ceiling Height for fixed glazing using 15mm Optima 30/30 fire glass: 2850mm

Maximum Glass Module width using 15mm 30/30 fire glass: 1000mm.

Interpanel Joints

The glass panels are joined with 5mm fire rated silicone which can be grey, white or black.


As with all of our products, Technishield 25 is laboratory tested for acoustic performance in a UKAS accredited laboratory and full test reports are available upon request.

Technishield 25 has been tested to achieve Rw37dB using 15mm thick fire rated glazing offering 30 minutes integrity.

The acoustic test is conducted on a full height, multi-module screen with glazing joints and perimeter track-work; not simply a ‘window’ in a smaller sized opening. Testing samples using the latter method will generally give an artificially higher acoustic rating result and any results obtained in this way should be treated with great caution.

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