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Visqueen Top Hat Unit

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High quality Visqueen Top Hat Unit products

What are Visqueen Top Hat Units?


Visqueen Top Hat Units are made from rigid black polethylene and are supplied with a metal jubilee clip. The units are available in the following standard sizes: 110mm, 135mm and 160mm. These sizes relate to the external diameter of the pipe.

Visqueen Top Hat Units are used in conjunction with Visqueen damp proof membrane and Visqueen radon membranes to provide continuity of protection at service pipe penetrations.

Frequently Asked Questions About Visqueen Top Hat Unit

The units are available in the following standard sizes: 110mm, 135mm and 160mm. These sizes relate to the external diameter of the pipe.

Visqueen Top Hats should be stored under cover in their original packaging. To aid installation, store in warm conditions (above 5°C) prior to use. Care should be taken when handling the product in line with current manual handling regulations.

Ensure all surfaces are clean, dry and free from contamination such as dust or sand. Avoid areas of unsupported jointing.

It is recommended that Visqueen Top Hat Units and associated system components should not be used below 5°C.

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