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Top Hats provide effective seal around service pipe penetrations

Airtight seals should be formed around all service entry points. Radon Centres preformed Top Hat units are available in a variety of sizes from 55mm up to 160mm. Bespoke sizes are available upon request. Please provide the outer diameter of your pipe for the correct Top Hat fitting.

 All joints around top hats should be sealed using recommended Butyl Tape

Top Hat infomationsheet 1

Radon Centres is the only supplier of this top hat. It was designed by our managing director several years ago. Dependent on the architecture design Rectangular Top Hat’s could be required on all sites that require protection from all types of ground gas contamination. 

Download “Top_Hat_REC-datasheet-2015.pdf” Top_Hat_REC-datasheet-2015.pdf – Downloaded 453 times – 101 KB