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Wraptite - Canary Wharf, London

An impressive build-to-rent development in the heart of Canary Wharf, London, has highlighted another incredible benefit of the high performing Wraptite air barrier.

The iconic Newfoundland building, also known as “The Diamond Tower”, rises 60-storeys above the Thames and is home to 636 apartments with amenities including a health club and spa, restaurant, café and retail units and offering dramatic views over the city.

The project design was by architects Horden Cherry Lee on behalf of the client Canary Wharf Group.

The slim diamond shape of the tower is determined by the narrow footprint of the site and the diagonal alignment of adjacent streets. The design of the diamond pattern of the external structure optimises pedestrian movement, maintains views and presents a clear and striking new landmark form for Canary Wharf.

Specialist contractor Sharpfibre provided fire stopping to the 636 apartments and common areas, installing Firetherm Intubatt and Intucompound and fire protection to the structural steels using Knauf Fire-Tek 160.

During construction, the structural steels were exposed to the elements until the contractor could install the cladding, which could have caused an issue due to declension.

Knauf Fire-Tek 160 does not have any hydrophobic additives to prevent the insulation from wind-driven rain or moisture, so a solution was required to offer temporary protection from the elements. The answer was to cover the protected steels with the Wraptite airtightness membrane.

Wraptite is designed as an effective vapour permeable air barrier to maximise the energy efficiency of buildings. The application of the Wraptite membrane provided class W1 protection from the weather/ elements to the Fire-Tek and the exposed steel until the diamond shape façade was installed and completed.

Wraptite is the only self-adhering vapour permeable air barrier certified by the BBA and combines the critical properties of vapour permeability and airtightness in one self-adhering membrane. The selfadhered nature of Wraptite and its high level of water resistance and simplified detailing made it an ideal choice.

The high vapour permeability of Wraptite allows the substrate beneath to dry quickly, moisture vapour to escape and reduces the likelihood of mould, mildew, condensation, timber distortion and metal corrosion.

There are considerable benefits to incorporating the Wraptite System within the facade design. First, the use of Wraptite helps ensure “as-designed” performance, narrowing the gap between as-designed and actual energy performance and reducing the likelihood of potential failures to meet required airtightness levels.

Wraptite is a self-adhesive breather membrane applied externally, quickly and efficiently as part of the rainscreen system. Traditional internal air barriers will need to accommodate building services such as electrical, lighting, heating and drainage systems, increasing the gap between as designed and built. However, the Wraptite membrane fully bonds to virtually any substrate, requiring no mechanical attachment, seals or tapes to suppress air leakage around junctions or penetrations.

Wraptite is compliant with Part B regulation changes and also has BRE approval for use in the external wall systems of buildings over 18m in height, both as a continuous layer on sheathing board, behind fire classified insulation, and for use to tape joints in insulation behind rainscreen.

Wraptite- Canary Wharf, London


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Material Properties
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Material Properties

Wraptite-SA

Property Test Method Result
Roll Size 1.5 x 50 m
Thickness Calibrated Deadweight Micrometer 0.65 mm
Weight Electronic Weigh Scale 292 g/m2
Application Temperature - Air & Surface Minimum -10 C
Service Temperature -40 to 80 C
Water Penetration - Before Ageing EN 1928:2000 Method A W1 Class
Water Penetration - After Ageing EN 1928:2000 Method A W1 Class
Air Permeance EN 12114 0.01 m3/m2/hr @50Pa
Water Vapour Resistance Sd EN ISO 12572(C) 0.039 m
Water Vapour Transmission BS 3177:1959 893 g/m2/24hr
Peel Adhesion EN 1939 5.01 N/10mm
Tensile Strength - MD EN 12311-1 417 N
Tensile Strength - XD EN 12311-1 252 N
Tear Resistance - MD EN 12310-1 412 N
Tear Resistance - XD EN 12310-1 286 N
Dimensional Stability - MD EN 1107-2 0.3 %
Dimensional Stability - XD EN 1107-2 +0.1 %
Reaction to Fire EN 13501 - 1 B Class
Flexibility at Low Temperature EN 1109 No cracks at -40C

BIM Objects

File Format
Wraptite - BIM Object - Steel Frame RVT   IFC
Wraptite and Facadeshield UV - BIM Object - Steel Frame RVT   IFC
Wraptite - BIM Object - Steel Frame With Reflectite Tape Over Board Joints RVT   IFC
Wraptite - BIM Object - Steel Frame Wraptite Tape Over Board Joints RVT   IFC
Wraptite - BIM Object - Wraptite Tape Over Board Joints RVT   IFC
Wraptite - BIM Object - Ventilated Timber Frame With External Airtight Membrane Wraptite RVT   IFC
Wraptite - BIM Object - Ventilated Timber Frame With External Airtight Membrane And Wraptite Tape Over Board Joints RVT   IFC
Wraptite - BIM Object - Warm Roof Slate With Softwood Sarking RVT   IFC
Wraptite - BIM Object - Warm Roof Tile With Plywood Sarking RVT   IFC

UK Availability

North East Scotland & Islands
Linda Kay
Regional Sales Manager

07817872980

Ireland
Sam Swindell
Regional Sales Manager

07875656305

Midlands
Adam Salt
Regional Sales Manager

07817873124

South London & South East
Josephine Matchette
Regional Sales Manager

07535450346

Wales & South West
Marc Blackie
Technical / Regional Sales Manager

07968215 755

North London & East England
Ben Cremer
Technical / Regional Sales Manager

07768817733

Head Office
The Haugh

Global Availability

North America
Jeff Dibdin
International Account Manager.

07534436615

South America
Jeff Dibdin
International Account Manager.

07534436615

Europe
Jeff Dibdin
International Account Manager.

07534436615

MENA
Jeff Dibdin
International Account Manager.

07534436615

Asia
Jeff Dibdin
International Account Manager.

07534436615

Australia
Jeff Dibdin
International Account Manager.

07534436615


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