Does Drip Edge Go Over or Under Felt? According to most building codes and manufacturer recommendations, the drip edge should be installed beneath the underlayment along the eaves of the roof. But over the underlayment along the rake edges of the roof.

Should felt paper be installed over or under the drip edge?

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.

Does the drip edge go over the felt?





At the side, or gabels, of a roof, the drip edge goes over the roofing felt. At the bottom of the roof, the drip edge goes under the roofing felt.

Where should drip edge be installed?

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 below tar paper?

The drip edge should be over the paper at the eaves, and under along the rake. mroberson: Its a TRAP! Back in my construction days, I learned that you place the tar paper OVER the drip edge on the eaves so if moisture gets through the shingles, it does not get under the drip edge.

How do you install roof felt and drip edge?

Quote from the video:
Quote from Youtube video: Over this drip edge right to the corner. And as you can see it sticks out a little bit. So what you're going to want to do is you're going to want to cut this end back and tuck it around the corner.

Does drip edge go above tar paper?





Does Drip Edge Go Over or Under Felt? According to most building codes and manufacturer recommendations, the drip edge should be installed beneath the underlayment along the eaves of the roof. But over the underlayment along the rake edges of the roof.

Should ice and water Shield go over or under drip edge?

Ice and water protector needs to be installed directly onto the roof deck after you have placed the drip edge at the eave. (The drip edge will be installed over the ice and water protector and other underlayments at roof rake edges.)

Should drip edge be tight to fascia?

A vertical drip edge lip extends down roughly 1 5/8″ and as Steve points out, should not be set tight against the fascia board or water may run behind the gutter and down the fascia, inviting leaks and rot.

Are shingles supposed to overhang drip edge?

Shingles should not extend more than 3/4” (19 mm) past the drip edge. If shingles overhang the edge of the roof by more than 3/4” (19 mm), then they are not supported and may crack and break off. In addition, the wind resistance at the roof edge may be compromised.

Does flashing go over or under shingles?



Flashing should overlap the roof-covering material, but on asphalt shingle roofs, for aesthetic reasons, the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs.

Does ice water Shield go over felt?

The quick answer is yes, roofing felt does get installed over ice and water shield. The answer to this question and many more questions can be found using the water principle. This is something I was taught when I was first learning how to roof.

How do you install drip edge under existing shingles?

Quote from the video:
Quote from Youtube video: Before you mount it about a half inch. So you want about a half inch between the drip edge and the fascia a gap. So that the water just doesn't run off the edge onto your fascia.

How do you finish the edges of a felt roof?



Quote from the video:
Quote from Youtube video: Tidy up the corners around the edge by folding and tacking where necessary. Make a small slit in the felt at the apex. And fold down and tack on either side. Do the same at the back of the shed.

Does rain gutter go under drip edge?

It is recommended that gutters are placed under or ‘behind’ the drip edge of your roof. A drip edge refers to a component that hangs over the roof and has an outward projecting lower edge.

How much should roofing felt overlap?

Roofing Requirements



Roofing felt is required to overlap 2 inches over the lower felt course. The overlapping felt creates a secondary barrier for moisture and wicks water away from the shingles above and the sheathing below. Therefore, a 2-inch overlap provides redundancy at the edges where the barrier is weakest.

Do you nail or staple roofing felt?

Some roofers prefer to attach felt underlayment with 1-inch roofing nails or special nails with plastic washers, but most codes allow staples, which are easier to drive.

Can you put two layers of felt on a roof?



Assuming your roofing contractor is using standard 36″ wide 15# roofing felt, “double coverage” means that each layer of felt put down across the roof laps 19″ over the upper half of the previous course. (The first course starts with an extra 1/2 wide run).

Can you lay felt on top of felt?

When felting over any old felt you can use a bitten primer to get a proper fix, some felts are also a 3 layer system allowing them to go over old felt, however if he has quoted for old felt to be removed then that is what he should have done.

Can I leave old felt on roof?

Leaving the old felt on does not make the roof work or last any different. Sometimes theres no reason to remove the old felt. You can tell the decking is bad when you walk on the roof deck during tear off. If the felt is laying flat leave it on.

How many layers of felt should a flat roof have?

three layers



Felting a flat roof requires three layers of felt, so triple the square footage in order to calculate how much felt you require.