This chapter details cavity wall construction and gives both good and bad examples of how it is handled on site. Cavity wall masonry construction accounts for the majority of new-build housing in the UK, and was designed primarily to keep water away from the internal wall. Modern cavity wall construction has adapted to include insulation into the cavity to increase thermal performance to mixed success. This type of construction creates a number of challenges for principles of continuous insulation and airtightness.
Cavity wall construction is insulated in three main ways, depending on various factors, including its level of exposure to rain. A partial filled cavity will generally be more effective ...
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