One aspect of the public debate and discussion as to external wall cladding on buildings in the context of the Lacrosse building and Grenfell tower fires is: does the cladding comply with requirements?

When a cladding system is built to the outside of a building, as a matter of common sense and functionality, the cladding is meant to keep out water, heat, wind and other outside elements, even including earthquakes. Water that flows as well as water created through condensation or dampness are…