Concealed Intumescent Door Seals

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Concealed intumescent door seals.

The intumescent seal is hidden behind timber lippings or glazing beads and in the event of fire expands thus sealing the gap and preventing the passage of flames smoke and hot gases. Rf1 60 minute intumescent glazing system lorient s rf1 is a versatile new 60 minute glazing system that has been developed in response to strong demand from door manufacturers for a well designed bead applied glazing. This allows architects the opportunity to. Using pyrostrip 100ec or 500 range of high performance intumescent seals it is possible for fire door manufacturers to produce doors with the intumescent concealed into the door lipping.

Intumescent smoke seals. Lorient intumescent protection kits consist of thin high performance intumescent sheets pre cut and scored so they can be easily fitted around concealed door closers. Intumescent fire door seals with additional cold smoke seals are required for fire doors marked with an s by the specifier of the fire door eg fd30s. Forms of leaf construction will often require larger intumescent seals to control increased leaf distortion and 60 minute fire resisting door assemblies typically need double the amount of intumescent at the leaf perimeter compared with a 30 minute fire resisting.

Perimeter fire seals are essential to performance and form an integral part of the doorset fire rating irrespective of stop size. The low pressure intumescent action ensures the door leaf. There are three types available. If a fire door has a gap of 5mm along the bottom its integrity is compromised.

Pyrostrip 100ec intumescent seal offers a simple but highly effective way to achieve the requisite fire resistance without the seals themselves conflicting with the overall door design or finish. Forever firecheck concealed intumescent fire seal mann mcgowan s tried and tested pyrostrip high performance fire seals are also used in morland forever firecheck door frames offering specifiers the unique option of the only fully concealed intumescent seal on the market. Intumescent intumescent and smoke seal combined and concealed intumescent.