Fire rated insulating glass units available from M5 Glass Centre

  • 22 Oct 2014

M5 Glass Centre has started production of fire rated insulating glass units

Fire rated insulating glass units

M5 Glass began production of fire rated insulating glass units after completion of testing with Pilkington’s and engaging with their external production auditors, to ensure the correct standards of production were being followed and fully supported by Pilkington’s test data.

Fully tested to meet strict standards

The two core components of fire resistant units being manufactured at M5 Glass are Pyrodur and Pyrostop from Pilkington.

  • glass fulfils the requirements set from building regulations & authorities
  • meets international fire test standards


  • offers a barrier against flames, hot gases and smoke
  • reduces the transfer of radiant heat to approximately 10% after 30 minutes
  • ideal use is in doors and glazed glass screens


  • achieves full thermal insulation with approximately 2% of heat transferring after 30 minutes
  • offers the maximum level of protection, where the glass is designed for emergency exits, stairwells, floors and roofs

Both internal and external grade fire units are available.

Simon Hares, M5 Glass Centre Manager:

“The addition of Fire Glass IGU manufacturing complements the existing M5. The audit process confirmed that procedures and practices required to gain certification were already in place, due to M5 Glass Centre already having both a domestic unit line as well as an oversize commercial unit line in full time production, offering a silicone seal unit too.

Pilkington Pyro products are a long standing and high performing glass range recognised worldwide. It is an important step for M5 Glass Centre to be a Pilkington Pyro Partner and receive Certification for Full time Fire IGU manufacture.

M5 Gass Centre is part of the Cornwall Glass Group, which has its head office in St Austell and 14 South West-based branches, covering the regions of Cornwall, Devon, Somerset, Wiltshire, Bristol and now online.

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