Old Shingle roof meets porch roof with leaks Knoxville, TN
The older shingle roof meets the porch roof installed improperly and is causing le ks. Portions of the rest of this roof are low slope.
The roof leaks where this meets can be caused by how the shingles were tied together. This is inspected during our roof inspection of this property.
2/12 pitch is less than ideal but acceptable
Debris gathering and building and valleys can lead to water retention and leaks in valleys. Ice and water shield installed here will protect against leaks. 
Quality gutter guards can help keep gutters free and clear of leaves. Drip edge installed at eaves and rakes can help prevent water penetration and rot on the decking.
Call Us – (865) 297-3286
In this photo, you can see evidence of improper installation. This shingle is detached due to high nailing.
Old style metal ridge vents don’t stand up to wind like newer style vents and ridge caps. They also often cause unsightly streaking due to oxidation.