When selecting which wall tie to use there are many factors which should be considered, these include masonry leaf width, cavity size, height of building, type of building and geographical location.
There are numerous standards and documents which offer guidance on wall tie usage and these should be considered before making a decision, these include:
Eurocode 6 is the code for the design of reinforced and unreinforced masonry.
Specifies the standard requirements for wall ties – material, tolerances, testing and declared values.
Refers to PD6697:2010 for tie types and criteria.
Contains recommendations on tie lengths, embedment, density, material and positioning.
Part E of the building regulations specifies performance requirements for walls for resistance of passage of sound.
The document covers all buildings with rooms for residential use including domestic dwellings, hotels, care homes and student / nurse accommodation blocks.
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