Hello

In a week or so, I will be installing a wood-burning insert. Before that, I would like to do some masonry work so that my bricks are not visible. I would like to have a smooth white wall/floor where the insert will stand. I assume I should use some fireproof mortar, but how do I get it white afterward? All paint will probably peel off when it gets hot. I would appreciate some advice.

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No one who has done something like this before? Could really use some help.
 
I am a beginner in this myself, but I am thinking of Maxit's Gypsym (gypsum plaster) for this.
http://www.maxit.se/2223
It becomes stark white all by itself, and in the brochure, there is a picture of a fireplace plastered with it.
 
you can plaster with regular plaster mortar B or C and paint with KC Färg.
 
Thanks for the tips!

So a few follow-up questions...

What is kc color?
Does c mortar adhere to paint? some clever guy has painted the joints between the bricks with white paint... does this need to be removed before you can start laying bricks?

/Oskar
 
Of course, it's good if you remove the paint while the plaster is still intact. KC color is a special paint designed to be used on plaster. I can't answer exactly what it's made of. It can be purchased from retailers of plaster. It's possible the painter has something to do with it.
 
Thanks for the help, I'm going to do some bricklaying this week. It will surely be great!
 
I also need to do some complementary plastering on a chimney, how thick can you plaster with mortar B and C without "reinforcement"?
 
K
KC paint is a mineral-based render paint made from lime and cement with fine-grained white dolomite as aggregate. It is used for painting on KC-based render or surfaces previously painted with KC paint. For the chimney, you should use a C mortar because it is more flexible than B. KC mortar does not adhere to painted surfaces.
 
Mikael_L
Wire brush off the paint in the joints.
Use a rotary wire brush on the drill if it's stuck hard. There is also a heavier type that is mounted on angle grinders, which mainly has harder wire.
Don't forget safety goggles if you start using the machines! A wire sometimes comes loose, and it can be life-threatening for the eye.

//ML
 
Render C works perfectly, apply reinforcement mesh where you are going to render to minimize the risk of cracking. The mesh is available in building supply stores and is slightly stronger than chicken wire and has square holes.

That's what I did and it hasn't cracked even though we've been burning like crazy in our insert. :D
 
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