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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.
Non standard sizes produced from flexible material are available on request.
Quick Links - Click To Jump To Section:
- Approvals and Standards
- System Components
- Storage and Handling
- Preparation
- Installation
- Usable Temperature Range
- Additional Information
Approvals and Standards
- Third party certification - BBA certified with Visqueen membranes
- Quality Management System ISO 9001:2015
- Occupational Health and Safety System ISO 18001:2007
- Environmental Management System ISO 14001:2015
System Components
Storage and Handling
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.
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 Top Hat Unit to both the pipe and the membrane with Visqueen Pro Double Sided Jointing Tape. Seal the top hat laps to the pipe and membrane with Visqueen Pro Single Sided Tape. N.B. An alternative taping system may be specified.
Complete the installation by fixing the supplied jubilee clip around the top hat upstand.
Usable Temperature Range
It is recommended that Visqueen Top Hat Units and associated system components should not be used below 5°C.
Additional Information
Where protection to BS8485:2015 + A1:2019 or VOCs are required, use Visqueen Ultimate Top Hat Units.
Data sheet
- For Use By
- Consumer Use
- For Use On
- Solid Ground Floor Concrete Slab
Ventilated Sub Floor Void - Suitable For Use On
- Solid Ground Floor Concrete Slab
- Suitable For Use On
- Ventilated Sub Floor Void
- Usages
- Gas Protection Systems
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Visqueen 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