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FlashSeal - Chimney Flashing Repair

Water leaks can occur from a variety of locations. The flashing around the chimney can often be an overlooked source of the water intrusion. We inspect and report to you the current condition of your chimney flashing as part of every roof inspection we perform. Sometime we encounter chimneys that have no flashing at all or have had numerous coatings of roofing tar appied in failed attempts to fix a water leak. While numerous products are on the market, we have firsthand knowledge of the most effective products and repair techniques. We recommend chimney flashings be inspected and updated when the roof is being reshingled. In between new shingles we recommend Flash Seal as the best product for repairing leaky chimney flashings.


FlashSeal is a versatile flashing repair system that, when dry, forms a flexible waterproof membrane. It’s formulated for permanent adhesion to asphalt shingles, metal flashings, brick, and other chimney and roofing materials. FlashSeal solves leaks around the base of chimneys, stacks, and vents. It is also great for sealing around skylights. FlashSeal repairs create a custom fit rubber boot at the base of the chimney. It remains permanently flexible and has a 7 year manufacturer warranty!

For more information on how to install a metal chimney flashing please visit our Blog posts HERE

Chimney Saver Water Sealant/Repellent

Most homeowners think of brick and masonry chimneys as maintenance free. This couldn’t be further from the truth. We see hundreds of chimneys a year that have cracked, crumbing, defaced, and broken bricks or damage to their chimney crowns every year. Water penetration and freeze-thaw (expansion-contraction) is the root cause of this damage. We do thousands of dollars of masonry restoration annually despite our efforts to safeguard homeowners against these potentially expensive masonry repairs.  We offer a low cost ChimneySaver water repellant treatment which reduces water penetration into masonry products by 99.9% and comes with a 10 year warranty!

Your chimney crown is located at the top of your chimney and is designed to help with water shed. Chimney fires, freeze damage or thermal shock, and exposure to the elements can cause cracks, water retention, and deterioration to the crown. Depending on how extensively the crown is damaged, determines what repairs can be made. Minor cracks can be filled and the entire crown repaired and sealed with a specialty product called CrownCoat. It comes with a 15 year guarantee, remains permanently flexible, blocks water penetration and is a truly amazing product!

Water Seal

Chimney Saver Water Repellent

In some situations the chimney crown maybe completely missing or the damage is too extensive it cannot be saved and must be completely rebuilt. We demolish the old crown, install an expansion joint around each of the existing flues, and pour a single cast concrete slab which is placed over the chimney flues and weatherproofed. Various ornate castings are available to match the décor and age of the home.

Chimney Crown Sealant Repair
Crown Coat Sealant

Crown Repair

Crown Coat

Masonry Chimney Repair Solutions

Weatherization & Leaky Chimney Repair

Every year we see preventable water related damage to masonry chimney systems including freeze thaw damage, brick spalling damage, cracks in chimney crowns and brick, mortar bond breaks, efflorescence deposits, and vegatative growth. We recieve numerous calls (typically in the Spring season) of water leaking inside the home due to chimney flashing deterioration and improper installation. 


Other moisture intrusion points can include ground level moisture absorbtion and gas burning appliances contributing to total moisture accumulation inside the chimney. 


We offer a variety of solutions to help preserve your masonry chimney system and mitigate water related damage to your home. 


Schedule a FREE phone consultation to discuss how a Weatherization Package can help you.



Masonry Chimney Damage
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