Question: How Much Should Shingles Overhang Drip Edge?

How do you calculate drip edge?

The drip edge metal is only used at the bottom edge of roofs – near the gutters.

Measure the length and add 10% to find how much drip edge you will need..

Do you need drip edge on gable ends?

What’s a drip edge? A drip edge is a piece of roofing trim. The drip edge supports overhanging shingles at the ends of a roof, providing structure to the overhang and directing water to the gutters and away from the fascia of the roof. … Drip edges can also be installed on the gable ends of a roof.

How far over the drip edge should shingles extend past?

Asphalt shingles should overhang the exterior edge of the drip edge by ¼ to ¾-inch. Check local building code for drip edge requirements prior to the start of your roofing project.

How do you fix overhang shingles?

To fix an overhang that’s too short, buy some aluminum drip edge (aka drip-cap flashing). It’s typically sold in 8-ft. lengths, and can be cut with tin snips or even poultry shears. Slide the wide, flat flange of the flashing under the first course of shingles and adjust it to extend over the gutter.

Do I need a drip edge on rake edge?

It’s important to understand that drip edge installation is different for eaves and rakes. After your roof deck has been prepared, and before you install underlayment, you need to install drip edges at the eaves. You install drip edges on the rakes after you install the underlayment.

How far should drip edge be from fascia?

Code requires that the drip edge extend at least 2 inches onto the roof from the fascia board. This drip edge extends much farther. Nailing along the eaves should be spaced at no more than 12 inches on-center.

What is the difference between drip edge and rake edge?

Drip edge and rake edge are the first parts of the roof system to be installed. … They form a long, narrow piece of metal, which is installed along the perimeter your Roof Deck. Drip edge goes along your eaves trough areas and rake edge goes along your gable ends.

Should you use drip edge touch fascia?

The drip edge should be installed over a piece of 1×2 furring strip so that it stands off from the fascia or rafter tails. If the drip edge is laid right up against the fascia or rafters, then because of surface tension, the water runs right up against the fascia and underneath the soffit.

Can you install drip edge after shingles?

The drip edge is often replaced when new shingles are installed, but it can be replaced at any time. Asphalt roof shingles can become brittle in cold weather, so wait until a warm (but not hot) day to remove and replace eave stripping.

Does drip edge go around entire roof?

The correct placement of a roof drip edge is on top of the roof’s exterior cover directly between the sheathing and the fascia board, which forms a drainage gap between the drip edge and the fascia board. As a result, the drainage improves water flow and protects the roof from potential water damage.

Does drip edge go under or over tar paper?

The best way is to install the roof drip edge only along the eaves first, then place ice-and-water barrier (in the snowbelt) or felt paper (underlayment) over the drip edge. This lets any water that gets on the roof run down the underlayment and over the drip edge.