Framed chimney chases seem to be especially vulnerable and i ve repaired a lot of them over the years.
Repairing wood siding chimney.
The photos below show a few rotted chimneys i ve come across in the past few months.
Wood however can have knots that fall out or develop holes that allow water to intrude on the internal structures of the chimney according to the maryland shingle website.
The average cost of wood siding is 7 per square foot.
Wood is beautiful and often selected to achieve a certain traditional aesthetic.
By the time the homeowners notice the siding is soft they ve got a real problem on their hands.
Water splashes up from the ground frequently soaking the vulnerable bottom edges.
But without proper attention isolated areas can begin rotting in only a few years especially near the foundation.
How to repair wood siding.
Replacement and resurfacing can be expensive which makes cladding a masonry chimney with siding an attractive option in some instances.
However wood siding requires more maintenance than other materials.
Wood shingles are often used as siding material for chimneys continuing from the roof area.
However a masonry chimney may begin to show its age over time.
The good news is that damage is usually limited to two areas.
When hardboard siding is installed and maintained correctly it can hold up for 30 or 40 years.
Wood can also develop cracks that create additional water problems.
But the price of wood siding varies by wood type.
For example cedar will be more expensive than plywood.
Installing siding on a chimney requires a layer of wood furring that serves as a base for the siding itself.
When rotted siding is found at a wood chimney chase the next step is to have some of the rotted siding removed to have the wall sheathing below the siding inspected for water damage.
I am way too scared of a house fire to say based on e text that building wood hence combustible chimney to extend repair a brick chimney is safe and ok.
However there are alternative ways to extend a chimney top including a wood chase properly constructed around an insulated multi wall fire.
The first three courses of siding 2 feet or so up from the ground and wood framed chimneys or chases that aren t protected by a roof overhang.