How harmful is cement-sand plaster
How harmful is cement-sand plaster and whether clay-sand mortar will hold
Hello. Regarding the first question, how harmful cement-sand plaster? It is not harmful (although environmentalists argued about this), otherwise, it would not have been used in residential premises, such as: bathroom, garage, kitchen. But still, in a room such as a bedroom, its use is not recommended. It is better to use a gypsum mixture.
The content of the article
Characteristic features of the mixture
What are the features and advantages of cement-sand plaster?
- Firstly, attractively low cost.
- It can be purchased in different forms: cook it yourself, buy ready-made dry mix, order from a construction company.
- The mixture is universal: it is used for both exterior and interior decoration.
- Its comfortable apply and correct errors, as the material dries for a long time.
There are disadvantages:
- Low productivity. Even with extensive experience in construction, plaster can be applied for a very long time by plastering a small area.
- It is hard to apply to concrete walls.
- To process a small area will require physical strength.
- The mixture is not applied to a wooden surface.
- Well, on your question: a low level of environmental friendliness.
Compare with gypsum mix
In any case, any mixture requires specific instructions. If you adhere to the pricing policy, then cement plaster is cheaper, but gypsum is better.
Note. Still, the gypsum mixture is much more preferable for interior decoration.
Clay-sand mortar
The solution has been used for a very long time, but it is best to use lime-clay mixes for plastering. And to give strength, the addition of asbestos is recommended. Such a solution will definitely keep:
- Lime / clay / asbestos / sand-1/1/2 / 0,1
- Cement / clay / asbestos / sand ratio, as in the previous case.
- Lime / sand / gypsum / asbestos-2/1/1 / 0,2
The preparation of the mixture consists of combining all the mixtures. There is also a refractory solution. This includes another component of chamotte and refractory clay (one to one ratio). It is important to monitor the quality of the solution, only the plastic composition will hold well.
