Has anyone made structural or layout changes or added an extension on a house that already had external wall insulation (EWI)? Did you have to drill through the EWI for new pipes, cables or new windows? How does it work?
Plumbers and Window professionals on here - have you/would you made changes on a house that is wrapped with EWI? Like move a soil pipe in order to relocate an upstairs toilet or installed new windows after EWI?
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