The MCS Installation Guide for PV requires that “cable penetrations through the roof should not affect the weather tightness of the roof and should be durably sealed. The use of a purpose made product is a durable means to achieve this”. [p.75]
Dektite Lead Multicable Solar Flashing (Tiled or Slate)
Don’t risk roof leaks and system failure through cable damage by pushing unprotected cables under the tiles or slates.
4 in stock