How to Repair a Chimney Flue Crack
A chimney flue is an important part of the chimney. It prevents fumes and smoke from reaching the air. Sometimes they chimney flue can crack and need repairing because the fumes can easily get through the cracked flue. The process is quick and easy to accomplish.
How to Repair a Chimney Flue Crack
Materials Needed
- Ladder
- Masonry hammer
- Masonry mortar
- Bucket
- Trowel
- Place your ladder on a level surface near the part of the roof so you can easily reach the chimney. Attach ladder to the roof with an S hook so it will not move while you are climbing it or working.
- Use a masonry hammer to remove the tile that is cracked. You can remove the tile by hitting it around the sides with the hammer to crack it. Once it is cracked, remove the pieces with your hand and discard the broken tile pieces. Do this for reach tile that is cracked.
- Mix masonry mortar in a bucket according to the directions on the package. Mix the mortar with a trowel.
- Use the trowel to apply the mortar in the area where the broken tile once was. You will only need about 1 inch of the mortar for each tile you want to replace.
- Press the new tile into place. Apply pressure to the tile for about one minute. Lightly tap the tile with the masonry hammer to set the tile into place.
- Scrape away any excess mortar with the trowel. Allow the mortar to dry for eight hours.