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Wraptite - LSE, London

The Marshall Building, part of the renowned London School of Economics has been fitted with the Wraptite external air barrier system from the A. Proctor Group.

Part of a winning design created by Grafton Architects, the impressive 10-storey building features pale stone cladding and is home to a series of educational facilities including lecture theatres, offices, classrooms, and a sports hall.

Specialist contractor, I & S Construction, Dartford consulted with the A. Proctor Group’s technical team and selected the Wraptite air barrier to be incorporated within the external wall cladding system.

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. This approach saves on both the labour and material costs associated with achieving the energy efficiency demands in buildings.

Glenn Giddens, Project Manager of I &S Construction, commented: The Wraptite self-adhesive membrane could be applied externally, quickly and efficiently providing a high quality installation and robust through wall cladding system, without the additional need for mechanical fixing required using a standard membrane.”

Wraptite is Class B1-s1,d0, compliant with Approved Document B Building Regulations 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 - LSE



Wraptite



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

UK Availability

North East Scotland & Islands
Linda Kay
Regional Sales Manager

07817872980

Ireland
Sam Swindell
Regional Sales Manager

07875656305

Midlands
Adam Salt
Business Development Manager North

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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