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Used to provide continuity of protection at service pipe penetrations in conjunction with all Visqueen damp proof membranes, gas and hydrocarbon protection systems.
- Effective solution - provides a gas and damp proof seal around service pipe penetrations
- Rapid installation - eliminates complex detailing
- Versatile - suitable for use with Visqueen damp proof membranes, gas and hydrocarbon protection systems
- Non standard sizes are available on request
Visqueen Ultimate Top Hat Units are made from Visqueen Ultimate HC BLOK 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.
Non standard sizes are available on request.
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Approvals and Standards
- Third party certification with Visqueen Ultimate Membranes and Visqueen Gas Membranes
- Quality Management System ISO 9001:2015
- Occupational Health and Safety System ISO 18001:2007
- Environmental Management System ISO 14001:2015
Storage and Handling
Visqueen Ultimate 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.
Preparation
Ensure all surfaces are clean, dry and free from contamination such as dust or sand. Avoid areas of unsupported jointing.
Installation
Cut a circular hole in the Visqueen membrane as close as possible to the pipe. Bond the Visqueen Ultimate Top Hat Unit to both the pipe and the membrane with the Visqueen double sided tape appropriate for the membrane specification. Seal the top hat laps to the pipe and membrane with the Visqueen single sided tape appropriate for the membrane specification.
Complete the installation by fixing the supplied jubilee clip around the top hat upstand.
When used in conjunction with Visqueen Ultimate HC BLOK membrane, the skirt of the top hat unit can be heat welded to the membrane.
Usable Temperature Range
It is recommended that Visqueen Ultimate Top Hat Units and associated system components should not be used below 5°C.
Data sheet
- For Use By
- Consumer Use
- Min. Application Temperature
- 5°C
- Usages
- Gas Protection Systems
- Product Range
- Ultimate
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Visqueen Ultimate Top Hat Units is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT