Chimney Flashing

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Sealing Chimney Flashings Across Thomasville, NC

One of the most common places for chimney leaks is the flashing where your chimney meets the roof. A leaky flashing can cause all sorts of problems which require costly repair. When Top Hat Chimney & Masonry in Thomasville, NC goes on service calls related to leaks in the chimney system, we often find that the source of the trouble is faulty flashing, which is due to improperly installed roofing materials at the chimney. 

Flashing is normally made of sheet metal installed for the purpose of ensuring that the connection between the chimney and roof is watertight, but the effectiveness of flashing eventually expires. Leaks around the chimney are not always evident right away but 
they can cause serious structural damage. Moisture enters the roofing, the attic, and possibly the ceiling areas causing wood rot, roof damage, attic damage, and drywall damage in the ceilings. It’s a good idea to inspect the chimney area in the attic every six months to a year, to be sure that there are no signs of leakage. 

Chimney Flashings

Flashings on a chimney are simply the pieces of material – usually a metal like copper, steel, or lead – that anchor and seal the chimney to the roof. Although flashings should be watertight to prevent leaking into the roof and attic, they also need to move a bit to accommodate slight shifting of the roof around the chimney stack. A good chimney will have this flashing material on the base, sides, and at the top to encompass the exterior portion of the chimney as it exits the roof.

Warning Signs of Old Flashing

When Top Hat Chimney & Masonry inspects your home's chimney in Thomasville, NC & surrounding areas, we look for three main signs that the flashing needs attention or replacement. First, we look for rust on the metal parts, which indicates deterioration and a damaged watertight seal. We also look for signs of physical damage, like bent or loose pieces allowing water to seep inside. Finally, we ensure that the installation was done properly the first time, ruling out workmanship issues that could cause structural damage over time.

Protect Your Chimney

Top Hat Chimney & Masonry can also fix flashings that have been tarred over, split, cracked, or are in disrepair. 

Flash Seal is formulated for permanent adhesion to asphalt shingles, metal flashings, brick, and other chimney and roofing materials. It’s like installing a custom-fit rubber boot at the base of the chimney! It remains permanently flexible and has a 7 year warranty when used with Flash Seal Reinforcement Fabric. Use Flash 
Seal to solve problem leaks around the base of chimneys, stacks, and vents. It is also great for sealing around skylights.  Call us in Thomasville, NC & surrounding areas today!

Contact us about installing or repairing your chimney flashing today.

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