Crown coating
Hairline crown cracks are sealed to protect the most exposed part of the chimney.
Chimney waterproofing in Camden means treating repaired brick and mortar with a penetrating water repellent, not a coat of paint or sealer, after cracks, joints and the crown are repaired. One call to (856) 353-2481 reaches a nearby chimney waterproofing pro.
A chimney standing above the roof takes rain from every direction, and its brick and mortar absorb much of it. Over time, the moisture feeds freeze-thaw damage, efflorescence, rusted dampers and deteriorated flue tiles. A good water repellent cuts that absorption dramatically.
Choosing the right product is the whole job. The right products penetrate the masonry and make it water repellent without sealing the surface, so moisture inside can still evaporate. Film-forming sealers and paint trap moisture behind them, which leads to peeling, spalling and crumbling.
Waterproofing does not fix damage, it protects repairs. Cracks, open mortar joints, a cracked crown, failed flashing and a missing cap all let in far more water than porous brick does, so those are repaired first. After the repairs cure, the masonry is cleaned and allowed to dry before treatment.
Depending on what the sweep finds, chimney waterproofing in Camden, NJ can go hand in hand with chimney leak repair and chimney tuckpointing.
Dealing with this in Camden, NJ right now? Call (856) 353-2481 and describe the problem to a chimney sweep who works in Camden.
Call nowHere is how a chimney technician typically waterproofs a chimney.
The masonry, crown and flashing are checked, since waterproofing does not replace repairs. Any existing paint or sealer is noted, since it affects what can be applied.
Cracked crowns, open joints, spalled brick and failed flashing are repaired before any repellent goes on. New mortar needs time to cure before treatment.
The surface is washed and cleared of deposits. Treating over efflorescence or dirt traps it in place and weakens the result.
The masonry is allowed to dry thoroughly before treatment. A dry forecast on both sides of the job gives the best results.
The breathable product is applied generously so it penetrates the masonry. Crown and flashing details are finished with products made for them.
Once cured, water should bead on the brick instead of soaking in. Treated masonry should look and breathe the same as before, with no shiny film.
Hairline crown cracks are sealed to protect the most exposed part of the chimney.
Flashing is checked and resealed or repaired where needed so water does not get in at the roof line.
Brick and mortar are treated with a breathable siloxane or silane repellent to slow freeze-thaw damage.
Stains and deposits are removed so the repellent can penetrate.
A cap is added or replaced over the flue so waterproofing covers the flue opening too.
Sealing a chimney goes beyond the brick: it covers the crown, flashing, cap and masonry. That includes a flexible coating on the crown, sealed or repaired flashing at the roof, a cap over the flue and a breathable repellent on the brick and mortar. Whatever goes on the brick needs to breathe.
For Camden homeowners, the biggest risk with chimney sealing is the wrong product. Clear acrylic sealers, paint and other film-forming products trap moisture and cause spalling, especially through freeze-thaw winters. If the chimney already has paint or a sealer, ask the chimney sweep how it affects the plan, since it may need to wear off or be removed first.
Around Camden, waterproofing is often the last step after a chimney has been repointed or had its crown repaired. Homes in Camden and nearby towns like Woodlynne, Collingswood, Oaklyn and Merchantville include many brick chimneys that have soaked up decades of rain, along with some that were painted or coated with the wrong sealer, so a breathable repellent applied after repairs adds years to the masonry.
For chimney waterproofing in Camden, NJ or nearby towns like Woodlynne, Collingswood, Oaklyn and Merchantville, call (856) 353-2481 to reach a chimney sweep who covers your street.
Winters here are long and cold, and the heating season usually runs from October well into April. The hardest thing on brick here is not the cold itself but the constant swing above and below freezing: water soaks into brick, mortar joints and the crown on a mild day, freezes overnight and expands, and each winter widens the cracks a little more. Nor'easters drive rain sideways into flashing and mortar that looked fine in summer. Most homeowners in Camden, NJ schedule a sweep in early fall, and a repair check after a hard winter.
Small chimney problems caught early usually stay small repairs.
Chimney sweeps in Camden know the chimneys and fireplaces common in local homes.
Ask the sweep about the cause, the options and the estimate before work starts.
More questions? Call (856) 353-2481
Finding and stopping water that gets in through the crown, cap, flashing or brick, instead of patching the stain on the ceiling.
Learn moreRestoring the mortar joints that hold a chimney together, before loose brick starts to shift.
Learn moreSealing cracked chimney crowns or rebuilding crumbling ones, before freeze-thaw damage spreads down the chimney.
Learn morePutting a sturdy cap on top of the chimney sized to the flue tile or the whole crown.
Learn moreLooking for something else?
See all chimney servicesCall (856) 353-2481 to talk to a chimney sweep serving Camden, NJ.
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