What is required for partial penetration firestopping?
The phrase ‘partial penetration’ refers to an area where services penetrate only one side of the wall or the supporting construction and do not extend completely through...
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What is busbar firestopping and why is it important?
Busbars, like all service penetrations, must be suitably firestopped to ensure effective compartmentation and building safety during a fire...
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What are raised access floors, and how are they firestopped?
Raised access floors are elevated structural floor systems built above a solid substrate – most likely concrete – that create a void for hiding mechanical and electrical (M&E) services...
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Does flexible wall evidence apply to whitewall panels?
The simple answer is no: fire test evidence for service penetrations through standard symmetrical plasterboard walls cannot automatically be used...
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Can standard flexible wall evidence be used for shaftwalls?
The short answer is no. Service penetration test evidence obtained from a standard symmetrical plasterboard wall system cannot be transferred to an asymmetrical shaftwall...
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How should steel beams and purlins be firestopped, and what are the challenges?
The scenario. Protected and unprotected steel beams and purlins often penetrate fire-rated compartment walls, creating gaps that...
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Why is early collaboration key for lift door sealing?
Effective compartmentation is achieved when all joints or imperfections of fit are suitably sealed using the correct sealing system. Often, due to preferred construction tolerances or coordination issues, a gap...
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How do I choose the correct firestopping system?
Selecting the appropriate firestopping system requires careful consideration beyond traditional installation methods. It needs the precision and dedication of those involved in the...
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Plastic pipes vs plastic ducts – is test evidence transferable?
It is a common misconception that test evidence for plastic pipes can also be used for plastic ducts. However, despite their similar appearance and material makeup, these two products are...
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Do your firestopping products require ongoing inspections?
A recent question we have been asked is whether our products need to be regularly inspected after installation. And it’s a good question because...
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Who can carry out firestopping works?
Only competent individuals should carry out firestopping. It’s specialist work, requiring the installer to have the correct knowledge, skills, experience, and behaviours. Service penetration sealing...
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How can you rely on the Quelfire Technical Team?
In an industry where no two days are the same, it can be daunting when faced with vast amounts of information, new tested details, and best practices. Our mission is, and...