The common leakage sites are:
All pipe works within the kitchen and bathrooms
- Holes in the walls
- Radiator pipe work penetrations in floors and walls
- Sanitary pipes penetrating walls and floors
- Junction between floor and wall under kitchens and baths
- Junction lower floor / vertical wall
- Junction window sill / vertical wall
- Junction window lintel / vertical wall
- Junction window reveal / vertical wall (horizontal view)
- Vertical wall (cross section)
- Perforation vertical wall
- Junction top floor / vertical wall
- Penetration of top floor
- Junction French window / vertical wall
- Junction inclined roof / vertical wall
- Penetration inclined roof
- Junction inclined roof / roof ridge
- Junction inclined roof / window
- Junction rolling blind / vertical wall
- Junction intermediate floor / vertical wall
- Junction exterior door lintel / vertical wall
- Junction exterior door sill / sill
- Penetration lower floor / crawlspace or basement
- Junction service shaft / access door
- Junction internal wall / intermediate floor