FIRSTSOURCE Shingle Roof Repair

If you are having problems with your shingle roof leaking, it could be caused by one of these reasons:

* Improperly installed valleys or use of non-metal shingled valleys
* Missing or improperly installed chimney flashing
* Deteriorated mortar joints and caps
* Water saturation of bricks
* Winter ice build-up at gutter edge
* Skylight seal failure