What is the difference between reaction and resistance to fire?
Many people might not be aware that there are different fire testing methods. When it comes to buildings and how they will perform in a fire, the methods used are...
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Can I use manufacturer A’s intumescent sealant with manufacturer B’s fire batt?
“Can I use manufacturer A’s intumescent sealant with manufacturer B’s fire batt?” This is a question we often get approached with at Quelfire and the simple answer to it is no. Here...
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Pipe penetration sealing – fire collars or intumescent pipe wraps?
According to the building regulations ‘Approved Document B’, plastic pipes penetrating fire compartment walls and floors need to be equipped with a firestopping solution to prevent the spread of fire....
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Can cast in fire collars save time and money?
Designers and installers of passive fire protection solutions often come across the choice of whether to use cast in fire collars or traditional retrofit fire collars to firestop pipe (or even electrical service) penetrations....
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What are fire sleeves?
Quelfire’s fire sleeves play an important role in preventing the spread of fire in buildings where certain service penetrations cross compartment lines. We offer two different types of fire sleeves: the QRS...
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Pattress vs. letterbox installation of QuelStop Fire Batt?
QuelStop Fire Batt can be installed in a variety of ways. However, the most common method would be to install it into a formed opening, otherwise known as a ‘letterbox opening’...
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Could severe weather conditions affect the performance of products?
Often, firestopping products like fire collars, fire wraps, and fire sleeves are installed at the early stages of a project when the building is open and exposed to all kinds of weather conditions: UV and high...
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How do you firestop a plastic pipe through an oversized hole within a concrete floor penetration?
There are often times where the positioning of a plastic pipe may not be accurate enough to determine the location of a correctly sized aperture for the plastic pipe. Therefore,...
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What are the different types of service penetration insulation configurations?
Chances are you’ve encountered the different service penetration insulation configurations on our detail drawings and may have wondered what they mean, especially if you’re relatively new to the construction industry....
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How do you firestop a pipe coupling?
How many times has this happened onsite? You’re working with a 110mm diameter plastic pipe that is penetrating a fire compartment floor. Now, you know it can be suitably firestopped...
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What are the limitations of supporting constructions?
The supporting construction, otherwise known as the fire-separating element or substrate, is simply the wall or floor that supports the service penetration seal. When it comes to understanding the limitations...
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When should engineering judgements be used and who should they be produced by?
An engineering judgement (EJ), otherwise known as a technical assessment or technical evaluation, is a fire-resistance evaluation of an onsite application that does not have any direct test evidence. What...