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1. Remove the old brick by wiggling it out of place or by using a hammer and chisel if necessary. Angle a chisel at a low angle and tap the end of the chisel with a hammer to remove the old mortar completely. 2. Chip away old mortar from the...
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Installing flashing around your brick chimney is one way to prevent moisture from damaging other parts of your home. For the best water protection, you should also consider valley and step flashing. Keep your old flashing to use as a templat...
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1. Put on protective goggles, a dust mask and work gloves. Wear rubber-soled shoes with excellent traction. 2. Lay down plywood sheets beside the chimney and inside the hearth, to protect the roof and hearth from dust, debris, falling mortar...
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1. Thoroughly inspect the area around the chimney to make sure it is solid and safe. Roof areas around chimneys often have rotten decking, so make sure the roof can safely support your weight plus the weight of the bricks and debris that's r...
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Bricks inside a fireplace are called refractory bricks, and they can withstand high temperatures. Refractory mortar bonds refractory bricks, and both materials can withstand temperatures exceeding 2,000 degrees Fahrenheit. The melting point ...
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1. Scrape away the loose mortar from the joints of the chimney with a screwdriver or masonry chisel. Count up the number of cracked bricks in the chimney (they need to be replaced) and remove all the cracked pieces of brick. 2. Grind away th...
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1. Remove any loose crumbs of mortar from the chimney using a hammer and chisel. If a brick is badly broken, remove it as well. Check to make sure the damaged areas do not go all the way back to the clay flue liner inside the chimney. 2. Mix...
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1. Inspect the chimney for mortar joint cracks, splits or crumbling. Repair damage prior to sealing. Sealants with not effectively cover large gaps. Chip away damaged mortar with a masonry chisel and hammer. Replace the joint with new mortar...
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The chimneys on many older homes often were not lined, exposing the bricks to direct contact with stove or fireplace emissions and the intense heat generated by a wood fire. Time also took its toll on these old chimneys, as the bricks absorb...
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1. Lay a tarp, drop cloths or old towels around the indoor portion of the chimney to contain any mess from the cleaning process. 2. Wipe down the chimney bricks with a stiff, dry scrub brush to remove any surface debris. Then dip the same br...
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1. Measure the amount of chimney that is exposed above the roof line. Cut two pieces of reinforcing bar twice the size of the exposed chimney, using the hacksaw. Cut two pieces of reinforcing bar to the size of the exposed chimney. 2. Insert...
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1. Set the tip of a carbide-tipped grout saw into a section of horizontal mortar. Remove the mortar to a depth of 3/4 of an inch. Move around the chimney, removing all the horizontal mortar from each side. 2. Place a 5-in-1 painter's tool in...
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1. Measure the width of the inside of the chimney, using a tape measure. For a fireplace, it must be at least 8 inches wide. For a stove or heat furnace, the chimney width is at least 6 inches. 2. Measure the dimensions for the outside of th...
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1. Mark the bricks you wish to cut out and remove. Use a marker to draw lines in the mortar, or joint lines between the bricks. This will help you keep your place and prevent you from cutting into the wrong area or cutting out more bricks th...
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1. Pour dry mortar mix into a bucket or trough; add water and mix to a pastelike consistency. 2. Spray the bricks lightly with water. Use a spray bottle or garden hose with the nozzle set to mist. If the bricks are not damp, they will draw w...
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1. Chip out the cracked or crumbling mortar from the chimney joints, or the spaces between the bricks, with a hammer and chisel. Use firm, gentle taps rather than hard strikes to avoid damaging the bricks. Continue chipping off mortar until ...
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1. Spray off surface dirt and dust, as well as visible algae, with a nozzle attached to a garden hose. This will remove much of the visible dirt on the chimney. If you perform this basic maintenance at least once per week, it will cut down o...
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