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A cold applied product, suitable for use as a Type A Barrier Membrane (Tanking Membrane) for above and below ground applications e.g. basements, retaining walls and lift pits. The membrane can be applied to a variety of substrates including concrete, flush pointed blockwork, flush pointed brickwork, particle boards and steelwork, in both vertical and horizontal applications.
- Can be used to achieve one form of waterproofing to Grades 1, 2 and 3 as defined in BS 8102:2022
- BBA certified - third party accreditation
- Type A Barrier Membrane (Tanking Membrane) - resistant to ground water in accordance with BS 8102:2022
- Flexible - easy to detail and install on site
- Multi functional - also acts as a radon and damp proof membrane
- Self adhesive application - no jointing tapes required
Visqueen Self Adhesive Membrane is a modified bitumen rubber membrane with a self adhesive coating protected by a removable polyethylene release film. It is dark grey on the upper surface and supplied in rolls 1m x 20m.
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 accreditation (BBA 15/5208)
- Suitable for use as a Type A Barrier Membrane (Tanking Membrane) to BS 8102:2022
- Conforms to the specification requirements of BR 211:2023
- CE Mark EN 13969:2004
- Quality Management System ISO 9001:2015
- Occupational Health and Safety System ISO 45001:2018
- Environmental Management System ISO 14001:2015
System Components
- Visqueen HP Tanking Primer, 5L
- Visqueen Top Hat Units
- Visqueen TreadGUARD 1500, 1m x 2m
- Visqueen Protect&Drain
- Visqueen Pile Cap Sealer, 25kg
- Visqueen IGW5 and IGW10 Waterstops
Storage and Handling
Visqueen Self Adhesive Membrane should be stored vertically under cover in its original packaging. Care should be taken when handling the product in line with current manual handling regulations.
Preparation
All surfaces to which Visqueen Self Adhesive Membrane are to be applied should be free from cavities or projections, have a smooth finish, be dry and free from dust, loose particles and frost. Masonry, concrete or metal surfaces should be primed using Visqueen HP Tanking Primer and allowed to dry thoroughly.
When applying to blockwork or brickwork the joints must be flush pointed or the masonry rendered prior to applying the membrane.
The membrane can be cut with a sharp retractable safety knife.
Installation
Visqueen Self Adhesive Membrane lap joints should be a minimum of 150mm and should be pressed and rollered to form a continuous bond and to ensure watertightness.
At 90 degree changes of direction a Visqueen Axiom UniSeal fillet should be formed prior to membrane installation.
For vertical applications cut the membrane to a suitable length allowing an additional 150mm for laps. Position and peal back release film and apply the self adhesive face to the substrate. Apply pressure to ensure a full bond is achieved. Commence at the top of the wall and work downwards, progressively removing the release film.
For horizontal applications unroll the membrane where required allowing an additional 150mm for laps. Re-roll one half of the membrane and cut release film taking care not to damage the membrane. Roll out the membrane progressively removing the release film.
Use a soft broom over the top of the membrane to ensure full adhesion to the substrate. Repeat for the other half of the roll. Watertight seals should be formed around all service entry points.
Visqueen Preformed Top Hat Units should be used for sealing service entry pipes. If the membrane is punctured or perforated, a patch of the same material should be lapped and bonded at least 150mm beyond the extents of the puncture. The membrane should always be fully protected immediately after it is installed.
When used externally on a retaining wall, the membrane should be protected from backfill with Visqueen TreadGUARD 1500. Alternatively, where external drainage is also required the membrane can be protected with Visqueen Protect and Drain. When forming day joints, the upper edge of the membrane should be adequately secured e.g. bonding onto the top of the retaining wall, or if terminated on a vertical face, the upper edge should be secured with Visqueen Fixing Strip and Visqueen Fixings Pins for Masonry.
Download detailed drawings on the data Sheets tab further above, for:
- Visqueen Tanking Systems
- SW-SAM-01 Concrete Toe Waterproofing Installation Step by Step
- T-01 Rev 1 Typical Lift Pit Detail
- T-05 Rev 1 Typical Lift Pit Detail
- T-06 Rev 1 Typical Lift Pit Detail
- T-110 Rev 1 Typical Service Pipe
- T-50 Typical Edge Detail - Ring Beam
- T-52 Typical Edge Detail - Ring Beam
- Visqueen Self Adhesive Membrane
- SAM-01 Membrane Above Slab, Cast In Situ RC Suspended Slab, External Masonry Cavity Wall
- SW-SAM-01 Concrete Toe Waterproofing Installation Step by Step
Usable Temperature Range
It is recommended that Visqueen Self Adhesive Membrane and all associated system components should not be installed below 5°C.
The membrane requires no additional bonding methods however during cold weather conditions the application of hot air to the self adhesive coating will aid adhesion.
Additional Information
- Where hazardous ground gases are present use Visqueen Gas Resistant Self Adhesive Membrane
- Where concrete construction joints occur Visqueen IGW Waterstop system should be incorporated
- Where wall ties penetrate the membrane, seal with Visqueen Axiom UniSeal
- When waterproof concrete is required, or for additional detailing information, contact Rawlins Technical on 0113 2455450 (option 2) or send a message to [email protected]
Data sheet
- For Use By
- Consumer Use
- Interior / Exterior Use
- Interior Use
- For Use On
- Basements
Retaining Walls
Lift Pits
Blockwork (Flush Pointed)
Concrete
Brickwork (Flush Pointed)
Particle Board
Steel
Horizontal Applications
Vertical Applications - Single, Two or Three Pack
- Single
- Min. Application Temperature
- 5°C
- Suitable For Use On
- Concrete
- Suitable For Use On
- Steel
- Suitable For Use On
- Basements
- Suitable For Use On
- Particle Board
- Suitable For Use On
- Horizontal Surfaces
- Suitable For Use On
- Vertical Surfaces
- Suitable For Use On
- Retaining Walls
- Suitable For Use On
- Lift Pits
- Suitable For Use On
- Blockwork (Flush Pointed)
- Suitable For Use On
- Brickwork (Flush Pointed)
- Usages
- Damp Proofing System
- Product Usage Type
- Tanking Membrane
- Industry Approved System
- BBA
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Visqueen Self Adhesive Tanking Membrane 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