Repair the heart of a chimney
Tools and materials needed:
A metal brush.
A brush of medium size.
Step 1: Prepare the surface.
Allow at least 48 hours after the last fire before starting this operation.
With a cloth, dust the heart and scratch it with the metal brush to remove all dirt and see the damaged areas.
Brush the cracks strongly with the wire brush, removing the parts that are peeling off when you can.
Then apply a wet brush stroke in the cracks and slots to improve the adhesion of the mortar.
Step 2: Repair the surface.
Using the trowel, relieve the cracks by gently applying a layer of mortar.
Always with the trowel, remove the excess mortar and smooth the surface and then apply a wet brush stroke on the whole heart.
Step 3: the finishes.
To speed up the drying time of the mortar, you can light a small chimney fire.
For the conservation and the good functioning of your chimney, do not forget that it is necessary to use a suitable fuel and to ban the green wood, cardboard, treated wood and household garbage, not forgetting the glossy paper, the plastic and the plywood.