Patching A Chimney

Repair or replace the flashing.

Patching a chimney.

Mix your mortar according to the manufacturer s label instructions. New mortar is smooth and solid but as the seasons go. Apply second coat photo by reena bammi. Squeeze the bag hard enough so that the gaps are slightly bulging with mortar.

Because it may be several days before the repairs are done mark the spot firmly since water or rain will fade the lumber crayon quickly. Caulk around the flue and the crown. Clean each joint of loose mortar. Chisel cracked or crumbling mortar from the joints with a hammer and cold chisel.

Patch cracks in the large crown area. Next install the shingles starting at the top of the area you are patching. If there is no leak on the front or low side of the chimney move the water one shingle at a time up along the side of the chimney. Repair or replace the chimney crown the top part of the chimney if it s damaged.

Waterproof the chimney with a specially designed solution that is vapor permeable and allows the brick to breathe out. Mortar holds bricks together. It is a good idea to use some roofing tar between the shingles to make sure they adhere to each other. Wait seven days then remove the plastic and mist the patch with water.

One major avenue for water to enter your home and cause damage is at the joint. Try one or all of the following. Instructions repoint the chimney brick mortar. Follow the steps on how to waterproof a chimney.

Tape a plastic sheet over the patch to keep it from drying out. Make only enough to work for 15 to 20 minutes at. Cover the area where the chimney used to be with tar paper. Repointing crumbling mortar 1.

Remove the squirrel. Chimney repair i show how i repaired the top of a chimney that was being changed from wood burning to gas how i cut the flue and some old school technique. Depending on the size of the area you are repairing you may need to refill your bag with more mortar. To begin restoring the brick mortar joints a process commonly known as tuck pointing first prep the area to ensure good mortar adhesion image 1.

When the patch loses its wet sheen score its surface to improve the bond to the next coat. Install a chimney cap which. Don t worry if it drips a little or. Always run the water downhill.

Pour the mortar into a.