Cap flashing
Cap flashing is cut into the masonry and sealed at the joint.
Roof Repair
Chimney Flashing Repair Montville, NJ
A roofer in Montville can stop most chimney leaks by replacing the flashing where the chimney meets the roof: step flashing along the sides, counter flashing cut into the mortar, an apron at the front and a back pan or cricket behind, and check whether the crown or brick is part of the problem. One call to (862) 420-3039 reaches a nearby roofer who handles chimney flashing.
A chimney is a large masonry box punched through the roof, and sealing around it takes several pieces of flashing working together. The brick and the roof framing move independently as the house settles and seasons change, so the seal between them has to allow for movement. Tar and caulk alone cannot handle that movement for long.
Each side of a chimney gets its own kind of flashing. Along the front sits a one-piece apron, step pieces run up each side with the shingles, a saddle or cricket diverts water behind, and counter flashing ground into the mortar covers the top edges. Counter flashing that is only caulked onto the brick face is one of the most common causes of chimney leaks.
Water near a chimney can also come through the chimney itself. Leaks that continue after new flashing often trace back to the crown, the cap or the brick itself. A roofer checks the flashing and can point out masonry problems that need a mason.
Many chimney flashing repair calls in Montville also turn up a need for flashing repair or roof leak repair.
Need chimney flashing repair in Montville? Call (862) 420-3039 and describe the problem to a roofer who works in Montville.
Call nowThe process
The chimney flashing process
The work follows the path water takes, front to back.
Inspect the chimney
The roofer looks at the flashing on all four sides, the mortar joints, the crown and cap and the attic framing around the chimney. A hose test on one side at a time can confirm the source.
Strip the old flashing
The roofer removes the existing metal, layers of tar and the nearby shingles. Any decking that has gone soft from years of leaks is replaced.
Install the base flashing
A membrane underlayment goes around the chimney, then the front apron and the side step flashing are installed with the shingles. Each step piece laps the one below it.
Build a cricket
On the uphill side, a back pan or saddle is fitted, and on wider chimneys a cricket is framed to split the water around it. Wide chimneys need a cricket under most residential codes.
Seal the top edge
A groove is cut into the mortar, and the counter flashing is set into it, either in one piece or stepped to follow the slope. That two-part design lets the chimney and roof move without tearing the seal.
What is included
Parts of a chimney flashing job
Front flashing
A one-piece apron is installed across the downhill face to shed water onto the roof.
Side flashing
Side flashing is woven in with new shingles nailed to the deck, not the brick.
Decking repair
Rotted decking around the chimney opening is replaced so the shingles have solid nailing.
Chimney saddle
Water and debris are steered around the chimney which stops one of the most common chimney leaks.
Related service
Chimney Flashing Replacement Montville, NJ
Chimney flashing replacement makes sense when the metal is rusted, the counter flashing is only glued to the brick or the joint has been tarred over several times. Patching a system that was installed wrong rarely works, because the problem is in how the pieces overlap. Adding a cricket during replacement solves the uphill pooling at the same time.
The metal choice matters around masonry. Copper is a long-lasting choice for counter flashing, while aluminum needs protection from contact with lime in the mortar. The roofer can explain the options that suit your chimney.
Related service
Chimney Leak Repair Montville, NJ
Chimney leak repair starts by finding out whether water comes through the flashing or through the chimney itself. Water that appears only in hard rain at the base points to flashing, while a slow leak that lingers after rain hints at soaked brick or a cracked crown. Hose testing each side and then the chimney top separately settles the question.
If the masonry is the source, the fix may involve the crown, the cap or the brick. A cracked crown needs sealing or rebuilding, a missing cap lets rain straight down the flue, and porous brick can be treated with a breathable water repellent made for masonry. A roofer can point out these problems while checking the flashing.
Local help
Chimney Flashing Repair Near Me
Around Montville, chimney leaks often date back to a reroof where the old chimney flashing was reused or covered in sealant. Across Montville and nearby communities including Lake Hiawatha, Towaco, Boonton and Pine Brook, the chimney type decides the fix: masonry needs counter flashing cut into the brick, and a framed chase needs step flashing behind the siding, so it helps to know which kind you have when you call.
Searching for chimney flashing repair near me from Montville or Lake Hiawatha, Towaco, Boonton and Pine Brook? Call (862) 420-3039 to talk to a roofer who works in your part of town.
How the weather here affects roofs around Montville
Cold winters bring snow, ice and a long stretch of freezing nights. Heat escaping from the attic melts snow on the upper roof, and the water refreezes at the colder eaves, building ice dams that push water up under the shingles. Coastal storms and heavy spring rain drive water sideways into flashing, valleys and old chimneys. That is why roof repair in Montville is busiest after a hard winter and before the next one.
Why call
Why not wait
Drier ceilings
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Familiar with local homes
Roofers in Montville know the roof types and weather wear common in local homes.
Clear next steps
Ask the roofer about the cause, the options and the estimate before work starts.
Common questions about chimney flashing repair
Can chimney flashing be repaired without replacing it?
A single loose section of counter flashing can be reset without replacing everything. Flashing that was installed wrong or has rusted through needs to be replaced, not resealed. Another coat of tar is a short-term patch.
What causes a chimney leak if the flashing is new?
When new flashing does not stop the leak, the masonry is the usual suspect. A cracked crown, a missing cap, open mortar joints or porous brick can let water travel down inside the masonry to the roof line. Condensation in an unlined or oversized flue can also cause damp spots. A call to (862) 420-3039 is a good next step.
What is a chimney cricket?
It is a little roof-like peak that sits behind the chimney. It diverts runoff, leaves and snow to each side so they do not collect behind the chimney. Codes generally require one once a chimney is wider than about thirty inches across the slope.
Should a roofer or a mason repair my chimney flashing?
Chimney flashing is roofing work, since it ties into the shingles, underlayment and step flashing. Setting the counter flashing into the brick is routine for roofers who do this work. Damage to the crown, brick or mortar beyond that is masonry work.
What are the signs of a chimney flashing leak?
Water marks beside the chimney inside the house are the usual first clue. From the attic, stained rafters and decking around the brick confirm water is getting in. On the roof, rusted metal, loose counter flashing and heavy tar are warning signs. Call (862) 420-3039 to reach a local roofer.
More questions? Call (862) 420-3039
Often needed together
Flashing Repair
Flashing repairs at the joints where most roof leaks start, so water runs onto the shingles instead of into the wall.
Learn moreRoof Leak Repair
Leak repairs that fix the entry point, not just the ceiling stain, before wet decking and insulation turn into rot.
Learn moreRoof Leak Detection
Finding stubborn leaks that earlier patches missed, with a clear answer on roof leak versus condensation.
Learn moreShingle Roof Repair
Shingle by shingle repairs that keep a sound roof in service, without tearing off the whole roof.
Learn more
Looking for something else?
See all roofing servicesGet chimney flashing repair help in Montville
Call (862) 420-3039 for a local roofer in Montville and nearby towns.