# Leaks under Sheet Membranes ### Issue Image: ![[Pasted image 20241112162640.png]] ## Issue Description: - If a leak occurs through a sheet membrane it can be difficult to diagnose the location. - Installing an electrical trace wire beneath the sheet membrane will allow the leak to be located. - Sika makes a system to do this: [SIKA TRACE WIRE](https://grc.sika.com/dms/getdocument.get/b6b566f5-73a3-491a-8e2a-14a08ea7f48a/SikaRoof-Control-Monitoring-Leak-Detection.pdf) ## Actions to Prevent this Issue: - [ ] If a sheet membrane is specified, check that a trace wire is installed underneath it.