Chimney, Repair and Site Work
Chimney Crowns, Caps and Flashing
The crown is the slab that covers the top of the chimney, the cap sits over the flue and the flashing seals the chimney to the roof. A cracked crown, a missing cap or failing flashing lets water in, and we rebuild each with materials that last.
- Best forCracked crowns, missing caps and leaks at the roof line
- Key detailSlope, overhang and drip edge on the crown
- MaterialsCrown mix, stainless steel caps, metal flashing
- Pairs well withRepointing and waterproofing
What you get
What chimney crowns, caps and flashing includes
- 1Crown that sheds waterSloped concrete crown with a drip edge keeps water off the brick.
- 2Cap that keeps out rainA stainless cap keeps water, animals and debris out of the flue.
- 3Flashing done rightStep and counter flashing are cut into the mortar and sealed.
- 4Roofer-friendlyWe coordinate with your roofer when roof work is also needed.
How it goes
From first visit to finished work
- 1InspectWe check the crown, cap and flashing.
- 2RemoveFailed parts are removed.
- 3RebuildCrown, cap and flashing are made and fitted.
- 4TestWe check for gaps and seal the details.
Good fit when
Is chimney crowns, caps and flashing right for you?
- You see cracks across the top of the chimney
- The flue has no cap
- Water stains show near the chimney inside
- Flashing is rusted or loose
Questions
About chimney crowns, caps and flashing
Why does a chimney crown crack?
Freezing water, shrinkage and a thin or flat crown are common reasons. A well-made crown is sloped and has a drip edge.
Do I need a chimney cap?
A cap keeps rain, animals and debris out and is widely recommended.
Can a crown be repaired instead of replaced?
Small cracks can sometimes be sealed, but a badly cracked crown is better replaced.
Related services
Often paired with this
Chimney Repair and RepointingCrumbling mortar and failing brick on the chimney fixed before water gets into the house.See the service 
Chimney Building and RebuildingNew chimneys built right and old ones taken down and rebuilt brick by brick.See the service 
Efflorescence and WaterproofingWhite salt stains cleaned off, and the water that causes them stopped at the source.See the service Where we work
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Thinking about chimney crowns, caps and flashing?
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