Jsotola feb 21 18 at 23 22.
Chimney cleanout door leaking water.
This tells you if you should waterproof the chimney.
Do not use sealant to caulk shut the cleanout door of a chimney that is in active use as you ll need to be able to open the door later to inspect or clean the chimney base.
Is your roof leaking.
One of the most prevalent calls that we get is water coming in the hatch which is the actual clean out for your chimney.
Gas appliances output a lot of water vapor and if it s not venting properly it will condens.
Gap allows the clay flues to expand and contract from repeated heating and cooling without cracking or cracking the crown.
To find out if your chimney leaks through the masonry surface have your sweep do a masonry absorption test mat this is a simple test where a special test tube is attached to the side of the chimney and you record the time it takes for water to be absorbed into the wall.
On 2018 08 05 by mod replacing the chimney cleanout door replacing the chimney cleanout door assuming it is on the inside of the building would not explain a water leak problem through the chimney into the building unless in the course of replacing the door someone pounded on masonry and cracked or broke the chimney walls.
It could be your chimney that s the issue.
Could experiment if not afraid of a bit more water one person with hose one watching ashpit try running a hose for just long enough to pool a bit of water against the foundation of the chimney also along the sides of the chimney on the roof above the chimney but not against it then pouring vertically down on top of the rain cap if not open mesh which obviously would let water in might be able to replicate which of those areas the water is coming from.
It surrounds the clay flues but doesn t encase them.
Before sealing a chimney cleanout door shut be sure that the door serves only the chimney or flue that is being abandoned.
What this is the metal door that is usually in your furnace room.
Use a plumber s putty or even play doh to build a dam on the floor around the cleanout door area.
Seal a leaky chimney cleanout door where the flues are in use.
It has an angled top to shed water and it overhangs the brick to keep drips off the chimney sides.
