How to Glue Firebrick

Firebrick is utilized to line chimneys and furnaces and is made for the most part of silica and aluminum oxide. The blocks can withstand temperatures more than 2,500 degrees Fahrenheit, yet direct warmth inadequately and have a tendency to be weak. At the point when the blocks are introduced or break, they are stuck and fixed with a few definitions of a substance called furnace stick, oven bond or oven grout. The paste is now and again blended with ground firebrick and water to make a fixing compound called oven or obstinate mortar.

Things You'll Need

Elastic gloves

 paper containers

Water

Furnace stick

-inch paintbrush

Firebrick dust (discretionary)

Plastic blade

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Put on elastic gloves. All firebrick pastes and mortars are tenaciously glue and a few arrangements incorporate phosphoric corrosive.

Empty water into a paper glass. Pour a little measure of oven bond into a second paper glass.

Plunge a 1-inch paintbrush into the glass containing water. Wet the edges of the firebricks you need to stick with the brush. Wet any split you need to seal with the brush.

Plunge the wet brush in the oven bond and blend. Keep on adding water to the furnace bond until the point when the concrete accomplishes the consistency of ketchup.

Paint the edges of the firebricks you need to stick with the weakened furnace stick. Paint any breaks you need to seal with the weakened paste, too.

Add firebrick residue to the weakened paste a little at any given moment and mix with a plastic blade to influence unmanageable to mortar. Add firebrick residue to the paste until the point when the mortar has the consistency of thick mud.

Fix scratches in firebricks with the firebrick mortar, utilizing the plastic blade.

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Fire all firebrick pastes and mortars to temperatures somewhere in the range of 1,400 and 1,900 degrees Fahrenheit relying upon the headings that accompanied your oven paste to set the pastes and mortars