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.
Global | |
| Meta title | Visqueen Top Hat Units | Pipe Penetration Seals |
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| Meta Description Top hat collars for sealing around service pipe penetrations. Compatible with gas, DPM and vapour membranes. | |
| Berry Global Entity | EM |
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| Features / Benefits Provides an airtight and damp proof seal around service pipe penetrations | |
VisqueenPro Single Sided Tape is a reinforced single sided adhesive tape. It is available in roll format 75mm x 25m.
Global | |
| Meta title | Single Sided Tape 75mm | VisqueenPro Lap Sealing Tape |
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| Meta Description Strong adhesion single-sided jointing tape for membrane lapping. 75mm x 25m. Reliable for gas, DPM and vapour systems in UK. | |
| Berry Global Entity | EM |
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| Features / Benefits Provides an overlap seal to Visqueen damp proof membranes | |
+ Visqueen | |
| Publish Date | 28/05/2024 00:00:00 |
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| Product Keywords tapes, tape | |
| Branch ID | 1091 |
| Approvals and Standard Visqueen certified with Quality Management System ISO 9001:2015
Visqueen certified with Occupational Health and Safety System ISO 45001:2018
Visqueen certified with Environmental Management System ISO 14001:2015 | |
| Usage VisqueenPro Single Sided Tape is used to seal lap joints on damp proof membranes.
The tape is used in conjunction with VisqueenPro Double Sided Jointing tape which bonds the membranes lap joints together. | |
| Storage and Handling Store in a dry and clean environment in its current packaging. The tape should not be exposed to long periods of ultraviolet light. Prior to use, ensure that the tape is stored at temperatures above 5°C.
The tape can be cut with a sharp retractable safety knife.
Care should be taken when handling the product in line with current manual handling regulations. | |
| Preparation Ensure all lap joint surfaces are clean, dry and free from contamination such as dust or sand. Ensure the surface and working area is not water logged. Avoid areas of unsupported jointing. | |
| Installation After bonding the lap joint with VisqueenPro Double Sided Tape (see separate Visqueen datasheet), apply VisqueenPro Single Sided Tape equidistant over the lap joint. Once the tape is applied, the completed lap should be well rolled with firm pressure to ensure a completely sealed joint has occurred, and continuity with the adjacent sheet has been achieved. | |
| Usable temperature range It is recommended that VisqueenPro Single Sided Jointing Tape should be installed above 5°C. | |
| Additional information The information in this datasheet was correct at the time of publication. It is the user’s responsibility to obtain the latest version of the datasheet as it is updated on a regular basis. The information contained in the latest datasheet supersedes all previously published editions. | |
| Health and safety information Refer to VisqueenPro Single Sided Tape safety datasheet (SDS). | |
VisqueenPro Double Sided Jointing Tape is a blue, double sided butyl based self adhesive lap bonding tape with an oversize quick release film. It is available in roll format 50mm x 10m.
Global | |
| Meta title | Double Sided Jointing Tape | VisqueenPro DPM Tape |
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| Meta Description 50mm jointing tape for sealing DPM overlaps. Double-sided and strong adhesion. Get a quote for DPM tape for UK floors and slabs. | |
| Berry Global Entity | EM |
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| Features / Benefits Part of a Visqueen's DPM and gas protection BBA approved jointing system | |
+ Visqueen | |
| Publish Date | 26/11/2025 00:00:00 |
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| Product Keywords tapes, tape | |
| Branch ID | 1090 |
| Approvals and Standard Visqueen certified with Quality Management System ISO 9001:2015
Visqueen certified with Occupational Health and Safety System ISO 45001:2018
Visqueen certified with Environmental Management System ISO 14001:2015 | |
| Usage VisqueenPro Double Sided Jointing Tape is used to bond membranes (gas or damp) together along the lap joints.
To complete the joint, seal with the appropriate Visqueen single sided tape. | |
| Storage and Handling Store in a dry and clean environment in its current packaging. The tape should not be exposed to long periods of ultraviolet light. Prior to use, ensure that the tape is stored at temperatures above 5°C.
The tape can be cut with a sharp retractable safety knife.
Care should be taken when handling the product in line with current manual handling regulations. | |
| Preparation Ensure all lap joint surfaces are clean, dry and free from contamination such as dust or sand. Ensure the surface and working area is not water logged. Avoid areas of unsupported jointing. | |
| Installation Apply VisqueenPro Double Sided Jointing Tape to the lap area of the laid sheet starting approximately 50mm from the membrane edge. Apply pressure to the tape to ensure the tape has adhered to the membrane. Remove release paper from the tape and overlap the adjoining membrane by minimum 150mm. For Visqueen damp proof membranes and gas protection membranes lap joints should then be sealed using the appropriate Visqueen lap tape. Once the tape is applied, the completed lap should be well rolled with firm pressure to ensure a completely sealed joint has occurred, and continuity with the adjacent sheet has been achieved. | |
| Usable temperature range It is recommended that VisqueenPro Double Sided Jointing Tape should be installed above 5°C. | |
| Additional information The information in this datasheet was correct at the time of publication. It is the user’s responsibility to obtain the latest version of the datasheet as it is updated on a regular basis. The information contained in the latest datasheet supersedes all previously published editions.
VisqueenPro Double Sided Jointing Tape data table | |
| Health and safety information Refer to VisqueenPro Double Sided Jointing Tape safety datasheet (SDS). | |
+ Visqueen | |
| Publish Date | 24/05/2024 00:00:00 |
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| Product Keywords Top Hat, preformed unit, PFU, damp proof membrane, radon, DPM | |
| Branch ID | 1095 |
| Approvals and Standard Visqueen certified with Quality Management System ISO 9001:2015
Visqueen certified with Occupational Health and Safety System ISO 45001:2018
Visqueen certified with Environmental Management System ISO 14001:2015 | |
| Usage 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. | |
| 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 VisqueenPro Double Sided Jointing Tape. Seal the top hat laps to the pipe and membrane with VisqueenPro 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 installed below 5°C. | |
| Additional information Where protection to BS8485:2015 + A1:2019 or VOCs are required, use Visqueen Ultimate Top Hat Units.
The information in this datasheet was correct at the time of publication. It is the user’s responsibility to obtain the latest version of the datasheet as it is updated on a regular basis. The information contained in the latest datasheet supersedes all previously published editions. | |
| Health and safety information Refer to Visqueen Top Hat Units safety datasheet (SDS). | |