Britannica Roofing
Home
Yearly Roof Inspections
Eavestrough Cleaned
Chimney Caps Installed
Gutter Guards Installed
Snow Cleats Installed
Bird Problems Fixed
Squirrel Problems Fixed
Valley Sealing
Power Washing
What happened to Marley Roof Tile Canada

Links

Marley Roof Tile England
With the valleys open and with heavy rain the water can get under the tiles and settle in the valley areas. Given time the valley sheeting will deteriorate and can cause holes to appear. This allows water to enter the attic causing leaks.
The same problem as above can happen around chimney areas.