Patching A Chimney

Chisel cracked or crumbling mortar from the joints with a hammer and cold chisel.

Patching a chimney.

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. Apply second coat photo by reena bammi. 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. One major avenue for water to enter your home and cause damage is at the joint.

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. 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. Clean each joint of loose mortar. Remove the squirrel.

Install a chimney cap which. Next install the shingles starting at the top of the area you are patching. This will make a good base for the shingles and create a barrier for moisture and heat loss. Mortar holds bricks together.

New mortar is smooth and solid but as the seasons go. Try one or all of the following. Caulk around the flue and the crown. Mix up a batch of stucco following the second coat recipe and trowel.

Don t worry if it drips a little or. Repair or replace the flashing. Patch cracks in the large crown area. Wait seven days then remove the plastic and mist the patch with water.

Repointing crumbling mortar 1. Tape a plastic sheet over the patch to keep it from drying out. Depending on the size of the area you are repairing you may need to refill your bag with more mortar. Make only enough to work for 15 to 20 minutes at.

Instructions repoint the chimney brick mortar. Follow the steps on how to waterproof a chimney. Mix your mortar according to the manufacturer s label instructions. Apply the mortar to the joint using a pointing trowel if one is available.

It is a good idea to use some roofing tar between the shingles to make sure they adhere to each other. When the patch loses its wet sheen score its surface to improve the bond to the next coat. Cover the area where the chimney used to be with tar paper. Waterproof the chimney with a specially designed solution that is vapor permeable and allows the brick to breathe out.

Squeeze the bag hard enough so that the gaps are slightly bulging with mortar.