Do you need special mortar for fireplaces?

Tools & Materials. The mortar in most brick joints consists of sand, lime, and portland cement. But in a fireplace, that mix just crumbles away when subjected to roaring wood fires. For this application, masons rely on a refractory mortar made of magnesium silicate, which can withstand heat up to 2,000 degrees F.

What type of mortar do you use to repoint a chimney?

Repointing a Chimney QUIKRETE® Mortar Mix or Mason Mix is available in bags conveniently sized to provide just enough mortar for the present job or to have a little left over for other small jobs. QUIKRETE® Vinyl Concrete Patcher can be used instead for better adhesion.

What mortar should I use for repointing?

A typical mortar mix for Repointing purposes, for use in an area subject to normal weather conditions, would comprise 1 part Portland Cement, 1 part Lime and 5½ parts Sand.

What’s the best way to repoint a fireplace?

How to Repoint a Brick Fireplace 1 Wash the Brick. Schaub dons nitrile gloves, then thoroughly scrubs soot off the sides of the firebox with an abrasive pad on a wet sponge. 2 Dig Out the Loose Mortar. 3 Wet the Joints. 4 Caulk the Joints. 5 Pack the Mortar. 6 Wipe Away the Residue.

What kind of mortar should I use to repair my fireplace?

Fireplace Repair Mortar is a silicate based refractory cement caulk for tuck-pointing damaged fireplace mortar joints. It withstands exceptionally high heat without product failure.

What kind of mortar should I use to repoint my house?

When you are ready to put in the new mortar, lightly spritz the bricks one more time before beginning. If your house is less than 50 years old, you will likely be safe using standard portland cement mortar to refill the spaces between your bricks.

Is it good to repoint brick walls and chimneys?

Repointing brick walls and chimneys with new mortar will not only enhance their beauty, but ensure that they remain secure, stable, and sound for years to come. Brick houses are hard to damage. Anyone familiar with The Three Little Pigs knows that. Inevitably, however, there comes a time when the mortar between bricks begins to degrade.