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Insulation by Pipe Size

If you're looking for the full range of pipe insulation sizes, then you've come to the right place. Within any conventional heating or industrial installation, there will be a wide range of different pipe sizes in use. That's why, here at, we supply pipe insulation sizes to suit them all. 


You may need the pipes in your domestic plumbing and heating system insulating. Or perhaps you have an industrial oil or maritime application that requires lagging. We have all these pipe sizes covered and everything in-between!

We have insulation sizes to suit all types of copper pipe sizes. These are typically measured in metric sizes (in mm). Additionally, we stock insulation which is designed specifically for steel pipe work which is traditionally measured in imperial sizes, (in inches).

You may need to insulate a standard 28mm copper pipe in your indoor plumbing. If so, why not try our Armaflex Self-Seal Insulation? This will ensure you keep heat in your tubes and ultimately save you money in the long run.

Alternatively, you may be working on an industrial site where your 2-inch steel steam pipes need lagging. Our Rockwool Rocklap Mineral Fibre Insulation would be an ideal product for this.

Pipe Insulation Sizes & Options:

  • We stock insulation to suit the most common copper pipe sizes. 15mm, 22mm, 28mm and 35mm, plus many more,
  • Need insulation to cover the common Imperial sizes? Our insulation to suit 1/2 inch to 4 inches and every size in between is ready for immediate dispatch.
  • Before you insulate your pipes, measure them first! Poorly fitting insulation is poor insulation!  Use a tape measure and accurately measure the distance across the tube. The Outside Diameter, or O.D.
  • Check our technical product documentation to convert imperial to metric pipe sizes and vice-versa easily.

So, if you know your pipe size and are unsure of the insulation you need, why not call our sales team on 0161 775 1190? We'll be happy to help find the ideal pipe insulation sizes to match your needs.

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