How Much Should A Shingle Hang Over The Roof Edge

Getting your overhang installed correctly is essential but what does that mean.

How much should a shingle hang over the roof edge.

The edge of the shingles should hang over a roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed. When you place the next drip edge piece it should overlap the first by an inch. We ve seen other references that suggest extending the shingles a bit more than the manufacturers suggest to compensate for wavy eaves but they do not indicate extending more than 1 inch over the eave. This article will go over why overhang is so important and how much overhang shingles should have to dry properly.

Ideally you d nail about every 12 inches and in no circumstances should you have 16 inches or more between nails. The edge of the shingles should hang over the edge of the roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed and in most cases it should be. Too much overhang and the shingles could blow off in high winds. I was worried that because the edge shingle is the bottom layer fixing this would require redoing it.

Don t overdo the overhang shingles that extend more than 3 4 inch can eventually bend and fracture leaving the roof sheathing and fascia vulnerable to water damage. Nail high up on the drip edge so that the shingles will cover the nails. Shingle manufacturers say to use a 1 4 to 3 8 inch shingle overhang over the eave where your roof ends. Knowledgeable roofers will install shingles at just the right overhang for your roof type.

Too little can allow water to seep into rake or fascia boards. The overhang of roof shingles is the amount of the shingle that extends past the lower edge of the roof creating a lip. Why is overhang important. In my opinion the felt underlayment should also extend beyond the drip edge by 1 4 to 1 2 inch.