Exhaust Insulation Sleeves

Pyroglass Exhaust Insulation Sleeves

Basalt exhaust insulation sleeves provide excellent thermal protection and possess outstanding characteristics making them ideal for use in vehicle exhausts systems. Exhaust insulation sleeves are designed to help keep exhaust gases as hot as possible as they flow through the exhaust to catalytic converters, this increases burn efficiency and helps to reduce emissions.

Continuous thermal protection up to high temperatures of 750ºC.

Exhaust insulation sleeves are typically used in applications that include heavy goods vehicles, buses, and certain automotive applications. It can also be used for high temperature Industrial applications over pipe-work and to protect hoses and cables etc.
Contact our engineers to find out more

Product Gallery

  • What temperature will glass fibre seals operate at?

    Depending upon the application glass fibre seals are capable of withstanding 600°C

  • Do you have any products which operate at temperatures > 600°?

    Yes, we do have certain special materials - please contact our Sales Dept. to discuss.

  • What is your order processing time?

    It depends upon the product(s) and quantity needed. We are a manufacturer so there is usually a production lead time. 

    For most orders we can turn them around within 10-12 working days but it is always a good idea to check with us first. Lead times can also vary according to the time of year.  In the heating season we do get very busy.


  • What temperature will the adhesive backing on glass fibre seals/tapes withstand?

    The adhesive backing is purely a 'fixing aid' during assembly. The adhesive backing will degrade at temperatures of 180°C or above but has served its purpose once the glass fibre seal/tape is held in place by some other mechanical means.     


  • What is the best way to start to remove the amber release film at the beginning of the roll of adhesive backed product?

    Sometimes it can be a little fiddly to start but there is a technique and if you contact our Sales Dept. we can provide a detailed instruction.      


  • What is the difference between a 'woven' and a 'knitted' tape?

    Woven tapes are constructed with warp and weft threads in an over and under construction whereas knitted tapes are formed with a series of interlocking 'loops' like a knitted sweater.       

  • Which is better 'knitted' or 'woven' tape?

    Woven tapes are often less flexible than knitted tapes. It depends upon the application as to which is considered better. Knitted tapes are very soft and conformable. They bed down well and are  perfect for taping awkward shapes. Both woven and knitted tapes have their place.

  • How do I prevent the end of a glass fibre seal or tape from fraying when cut?

    We recommend the use of our adhesive backed glass cloth tapes for end sealing.

  • How many turns of adhesive glass cloth tape should I apply to the seal?

    We recommend one and a half turns as a minimum.

  • What can I use on the ends of the firesleeve when it is cut?

    We recommend our silicone rubber self-amalgamating tape to seal the end.

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Why not give us a call to discuss how our existing selection of sealing and insulating products could be a good fit for your need. Our Pyroglass team is friendly, experienced and passionate about delivering a practical solution that best suits your needs.

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Our Products

We produce a variety of ready to use products suitable for many industrial and domestic applications. If you are looking for a one off solution, we can put you in touch with your nearest Pyroglass Distributor who can quickly fulfill your need. Alternatively if you are looking for a bespoke manufactured insulating or sealing product, we can provide a range of unique options that suit your business.

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