Topped by a dark shingle roof this split-level home pairs light siding with a brick base

Chimney Flashing Repair in Grapevine, TX

That stain by the chimney usually means the metal that seals roof to brick needs repair. A photo of the flashing shows it.

The joint itself looked at, not the stain it left.Free

Why this joint goes first

Chimney flashing repair in Grapevine, TX

A chimney breaks the roof on four sides at once, and shingles cannot cover a corner like that. The job falls to flashing, the bent metal that carries water across a joint, and most leaks on a shingle roof start there rather than out in the middle of a slope.

Most people find it from indoors. Water runs down the framing inside the chase and marks a wall a floor below the roof, well away from the joint that let it in.

Air baffles stapled in at the attic eave line

What chimney flashing repair covers

This is a short list of parts in a strict order, and the order is most of the work. Done out of order, later pieces end up lapped the wrong way, and water that should run off the chimney gets steered straight into the seam instead.

All of it disappears the moment the shingles go back down. Photographs taken while the joint is open are the only record that it was built rather than sealed, so ask for a set.

Step flashing up both sides

Step flashing is a stack of small bent pieces, each one lapping the piece below it and woven in with the shingle courses as they climb the chimney, fastened to the roof deck rather than to the brick so the two can move without tearing the joint open. From the driveway, the individual metal steps are usually just visible tucked under each shingle course as it climbs past the chimney.

Counter-flashing let into the brick

The upper layer is set into a mortar joint, or into a groove cut in the brick where the mortar will not hold it. Setting it into the brick itself, rather than just caulking a piece on top, is what keeps the seal from peeling loose the first time the caulk dries out and cracks.

The apron in front, the pan behind

The face of the chimney takes an apron that laps over the shingles below it. Runoff from the upper roof now gets carried around both sides of the chimney instead of pooling against the brick where the pan and the roof meet.

A cricket on a wide chimney

A cricket is a small framed peak built behind a wide chimney to split runoff around both sides. Without one, a wide chimney is often just flashed flat across the back, leaving a shallow trough where debris collects and water sits until it finds a seam to get behind.

Shingles and underlayment put back in order

The courses around the work come off and go back in sequence, over new underlayment wherever the old sheet has torn. An older roof is where this step counts.

What a failing chimney flashing looks like

Half of this list is indoors. A stain that starts near the chimney and gets dismissed as just a ceiling problem can mean a long stretch of slow leaking before anyone connects it back to the flashing outside.

A stain running down one side of the chimney wall inside the house, usually on an upper floor.
Brick low on the chimney gone dark, or flaking at the face where it has been staying wet.
A visible line of caulk where the metal meets the brick.
Metal standing away from the brick, or a rust line along a bend in it.
A wet streak on the roof decking above the chimney, seen from inside the attic.
Leaves and grit packed in behind the chimney on the uphill side, holding water there long after the rain has stopped.

Any one of these is worth a look and none of them settles what the fix is.

How chimney flashing repair goes in Grapevine

Flashing cannot be judged with shingles over it. Lifting them is step two, and every layer of metal comes out.

Pointing at the chimney

Which side stains, and whether it happens in every rain or only in a driving one.

Opening the joint

Shingles lifted around the chimney until both layers of metal are in view.

Naming what it needs

Step, counter, apron, pan, and a cricket if the chimney is wide enough to want one.

Rebuilding and photographing

New metal layered in order, shingles back over it, pictures at each stage.

What you see before flashing work starts

Flashing vanishes under shingles as soon as the job is finished. The pictures are what you are left holding.

The joint gets photographed open

Pictures come back from the point where the shingles are up and both layers of metal are visible. That is the only window in which anybody can show you what was actually under there.

Before the work startsPhotos with the estimate

The point where it stops being flashing

If the shingles around the chimney break on contact, or the deck under them has gone soft, the honest quote covers a section of roof instead of one joint. That gets said before the work starts, not partway through it.

On a flashing estimateSaid up front

Who owns which half

Metal is the roofer's work and brick is a mason's, and on an older chimney both can be in play at once. A local roofer tells you where that line falls on your chimney rather than quoting around it.

On a chimneyTwo trades, said plainly

Why two flashing quotes differ

What drives a chimney flashing repair price in Grapevine

Flashing is a small job with a wide price spread, and the spread comes from what has to be taken apart to reach the metal. A single story chimney on a walkable slope with shingles that lift cleanly sits at one end of it. A wide chimney high on a steep roof, surrounded by shingles that break when they are lifted, sits at the other.

Ask what this one needs

How wide the chimney is, and whether a cricket has to be framed in behind it
How much shingle has to come up to reach the joint, and whether it survives being lifted
Whether the upper metal can go into a mortar joint or needs a groove cut into the brick
Pitch and height, since a steep second story slope is slower work with more setup
What the decking under the leak turns out to be, which nobody knows until it is open

None of that is a price. What it does explain is why two quotes for the same chimney can land far apart, and why the one that lists its parts is the one you can actually check.

Flashing questions Grapevine homeowners ask

A chimney leak sits between brick and metal, which is where a mason's work meets a roofer's. Sealant settles neither.

Can the flashing just be sealed instead of replaced?

Sealant buys a season or two and that is the whole of what it does. Caulk is a finish for a joint that is already built correctly, never a substitute for metal that laps, and it shrinks, cracks and lets go on a schedule of its own. On a chimney it is usually covering a joint that needed the shingles lifted to reach. Rebuilding the joint is more work up front and it is the repair that lasts.

How do I know the leak is the chimney and not the shingles?

You cannot tell from the stain, and the stain is where most people start. Water gets in high and travels along framing before it drops, so a chimney joint can surface several feet away on a ceiling, which means the work goes uphill from the mark rather than straight up from it. Chimneys are the most common answer on a shingle roof, so a roofer checks there early. Roof leak repair covers how a leak with no obvious source gets traced.

What is a cricket, and does my chimney need one?

A cricket is a small framed peak built behind a chimney so runoff splits and goes around both sides of it. Wide chimneys need one, because otherwise the uphill side collects water and debris in a pan that was never meant to hold either for long. Narrower chimneys usually manage on the pan alone. Which one applies is a question of width and pitch, and it belongs on the quote by name so you can see what you are paying for.

Does a mason or a roofer do this work?

The roofer owns the metal and a mason owns the brick, and on an older chimney both can be needed. The upper flashing is set into a mortar joint, so mortar that has crumbled has to be made sound before new metal can go in properly. A local roofer will tell you which of the two your chimney actually needs, and on most chimneys it is only the roofer.

Is the repair backed by anything?

The workmanship terms come from the roofer doing the work, and you should have them before it starts. Manufacturer coverage applies to the materials rather than to how a joint was assembled, so on this job you are relying on the installation. That makes the written terms and the photographs of the open joint the two things worth keeping. What a workmanship warranty does and does not cover is set out on roof warranties.

Chimney flashing repair in Grapevine

Get the chimney flashing looked at

Grapevine Roofworks asks for two things: which side of the chimney is marking, and whether it happens in every rain or only when it blows. A local roofer then looks at the joint itself rather than at the stain it left behind.

Call today(817) 442-2362

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