Is there really a 40mm deflection head requirement?
The construction industry often cites the 40mm rule when discussing deflection heads because it appears in Approved Document B (ADB). However...
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Is there really a 40mm deflection head requirement?
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What is Quelfire’s role in early engagement in firestopping?
What is Quelfire’s role in early engagement in firestopping?
As a manufacturer and supplier of tested firestop systems, Quelfire supports design teams during the early engagement process to identify appropriate tested details...
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Should you use a fire collar on a hollow core slab?
Should you use a fire collar on a hollow core slab?
The short answer is no. Although a hollow core concrete slab might seem similar to a traditional reinforced concrete floor, it's important to note...
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What is Regulation 38 and who is responsible for it?
What is Regulation 38 and who is responsible for it?
As part of building regulations, Regulation 38 ensures that all the correct fire safety information reaches those responsible for the occupied building...
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How do you seal around fire-rated ductwork?
How do you seal around fire-rated ductwork?
Sealing around fire-rated ductwork requires early collaboration between key stakeholders to make sure the correct firestopping system is selected...
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How do you seal around fire-rated dampers?
How do you seal around fire-rated dampers?
Fire-rated dampers are an important passive fire protection measure for preventing the spread of fire and smoke through ventilation ductwork. With different types for...
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How do I read a Quelfire tested detail?
How do I read a Quelfire tested detail?
Stick with us, and we’ll walk you through our tested detail, QB-FW100-D-02, and explain what each section means and what to watch for.
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What is required for partial penetration firestopping?
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?
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?
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?
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?
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...