What is a intumescent collar?

What is a intumescent collar?

Intumescent Collar for Pipes and Other Services. A hinged, two-part metal pipe collar lined with intumescent material which expands in a fire. An intumescent collar is either fitted or rebated into ceilings, floors or walls where services pass through.

What is an intumescent collar and what is it used for?

Use fire collars on pipes passing through walls and fire barriers to help prevent the spread of smoke and fire. The pipe collars fit to surface openings, expanding in fire to fill the space and stop smoke and flames penetrating.

How do intumescent pipe collars work?

Both intumescent pipe collars (or fire collars) and intumescent pipe wraps work on the same principle; in the event of a fire, when exposed to heat, the intumescent material expands crushing the plastic pipe as it softens and plugs the hole.

What is a fire stop Collar?

Firestop Collars provide as a fire barrier around pipes preventing the spread of fire, smoke and toxic fumes into neighboring walls and floors.

What are pipe collars?

What are pipe collars? Pipe collars are used in these situations to stop the spread of fire. They are fitted around the pipe and on exposure to heat from a fire they rapidly expand inwards to squeeze the collapsing plastic pipe until the aperture is completely sealed.

Do metal pipes need fire collars?

Metal Pipes – Standard fire collars are usually not suitable for fire sealing metal pipes. The intumescent will not be able to crush a metal pipe in the same way it can a plastic pipe. You are likely to need a more specialist collar like our Pacifyre® EFC Endless Fire Collar or a pipe wrap or sleeve.

How do pipe collars work?

Pipe collars are used in these situations to stop the spread of fire. They are fitted around the pipe and on exposure to heat from a fire they rapidly expand inwards to squeeze the collapsing plastic pipe until the aperture is completely sealed.

What is intumescent sealant?

Intumescent Sealants Acrylic intumescent seals expand to fill a cavity when subjected to extreme heat and provide an extra layer of fire-resistant material to protect the structural integrity of a building.

On which side of a wall should the intumescent pipe collar be fitted?

Tighten the nuts onto the bolts. 6) NOTE Where there is a fire risk on both sides of the wall, or the direction of fire risk has not been determined, then an Astro Collar should be fitted to both sides of the wall.

Where are fire collars required?

A fire collar is a type of fire resistant fitting that maintains the integrity and fire insulating rating of a building element which has been penetrated by building services. This might be required, for example, when walls or floors are penetrated by cables, ducts, pipework, and so on.

What is PVC collar?

The PVC/Silicone Dog Collar from Boots & Barkley™ makes an ideal everyday accessory for your dog. A lightweight, flexible alternative to the classic nylon collar, this plastic dog collar is sure to have your pup strutting down the block in style.

What is an intumescent collar and how does it work?

An intumescent collar is either fitted or rebated into ceilings, floors or walls where services pass through. Cools down metal, steel and copper pipes, able to compartmentalise fires before they spread across buildings. The intumescent collar will crush plastic and PVC pipes in the event of a fire to prevent fire spread.

Will the intumescent collar crush PVC pipes?

The intumescent collar will crush plastic and PVC pipes in the event of a fire to prevent fire spread. Our intumescent collars provide up to 4 hours of passive fire protection for industrial, commercial and other types of buildings.

How do I select the correct collar size?

Please select the collar size most appropriate for your application, allowing a small clearance for ease of fitting. A close fitting between the collar and the pipe surface should be the aim, but the collar should not be unduly strained in order to close it around the pipe.