Cement-sand mortar. A difficult task: to get quality from what is lying around on the site! I'm trying to do it.

The cement is several months old, the sand was dug out from under the snow, and the water melted. Is it possible to obtain a high-quality cement-sand mortar from such ingredients? And where can you use it?

Probably, now many builders have asked this question... And I, by my own example, will answer it.

Solution recipe, in "combat conditions".

More precisely, this is an option when, for the sake of a small amount of solution, you don't want to bother too much.

I needed it for laying the first row of partitions in my house.

I did all the main laying on foam. But to align the first row, a DSP is needed.

And for two walls, I literally needed two buckets of solution. Therefore, I decided to do everything from what is.

Cement.

Has been lying for a month or more, and lumps have appeared. I also used it for waterproofing the basement (how it was, read here).

Of course, its properties are not the same, given the storage conditions. But here the option is simple - pour more!

Sand.

We need sifted. And just in the thaw, small remnants, after summer work, crawled out from under the snow. Sand is like sand, I dug a bucket ...

Well, water.

It is also given by nature. Took it from a frozen bucket. You can say glacial ... 😁

It seems like everything, somehow not like that... But in fact, the same thing.

✅Yes, the conditions are not ideal, but the result is the same. Cement-sand mortar, like mortar.

Special strength is not required from it. A wall of aerated concrete, 100 mm thick, will precisely withstand.

Moreover, the screed will be poured all over the floor, which will further strengthen everything.

Even at a temperature of 0 / +5, the solution froze the next day (but of course it did not gain strength). But it is already clear that it will not crumble.

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