Sand-cement plaster: composition, proportion, flow and features of the application

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2019-02-11 10:00:38

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If you ever do repair, then just encountered the same problem as the levelling and plastering walls. Without these procedures almost never do. Modern building materials help to cope with any problem. I want special attention to be given such a mixture, as cement-sand plaster. Gradually it goes by the wayside, but we begin to forget that it has many advantages.

Features

There are a large number of cement mortars. They are all good in their own way and have their versatility. All sand-cement plaster is the most popular. Such a solution has the following advantages:

  1. Universal Mixture. Ideal for finishing wet areas, e.g. bathroom. It is ideal for balconies and even facades of buildings.
  2. Different from all other solutions with extreme strength and durability.
  3. Suitable for plastering walls, which do not include heating.

Technical features

Sand-Cement plaster has the following characteristics:

  • Gray;
  • Wipe the plaster wall through the day;
  • Cement is an astringent product;
  • Dry mix consumption per 1 square meter of about 18 kg (layer thickness 10 cm);
  • Frost resistance of cement-sand wall is 50 degrees Fahrenheit;
  • The surface will become solid in about 30 days;
  • Operating temperature -50 to +70 degrees Celsius.

cement-sand plaster

Structure

Surely each when you buy wonder from which prepared dry mixture. Consider the composition of the cement-sand plaster and find out what secrets she's hiding. So, it's pretty simple:

  1. The Main component of the solution – cement. It can be any brand from the M150 to the M500. For those who don't know, the figure in the name of the cement represents the pressure in kilograms can withstand a ready solution on 1 cm3. Cement with a low figure, it is recommended to use for interior decoration, but with the indicator can be plastered facades.
  2. The Filler is sand. It can be river or quarry. The quality of the sand depends on the strength and durability of plaster. Standard cement-sand mixture is prepared from a ratio of 1:3. This ratio can vary depending on which solution strength you need.
  3. The Sand that is used in the preparation of ready mixture should be large particle.

These were the main components, without which it is impossible to obtain a cement-sand mixture. Also, some manufacturers introduced into the composition additional components, for example, the copolymer or the redispersible powders. Supplements allow you to increase some qualitative characteristics, namely:

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  • Strength;
  • High elasticity;
  • Flexibility;
  • Resistance to the load;
  • Adhesion;
  • Frost;
  • Wear resistance.

Here's a seemingly simple composition makes plaster versatile and indispensable.

cement-sand plaster walls

Types

Sand-Cement plaster is not as simple as it seems at first glance. The solution is divided into some varieties. Look at them:

  1. A Simple blend. Is intended for furnish of internal premises, where you don't need smooth walls. Working with such a solution takes place in two stages: obryzg and a ground. No need to install beacons at the walls. Mainly used for sealing cracks and holes. With this solution it is possible to carry out hygienic treatment of the walls.
  2. Improved the mix. This form can be used for plastering walls inside of premises and facades of buildings. Work with the solution takes place in three stages: spray, primer, nakryvka. With proper operation it is possible to obtain a flat surface with the right angle.
  3. High-Quality mix. Use a solution for decoration of any interior and any exterior facade. Work is performed in several stages: the scratch coat, several layers of primer and finish coat, which should projectnet cement. Necessarily on walls shall be mounted beacons. In total you should have at least 5 layers of plaster.

Having dealt with all types of plaster, you can move on to the next question.

cement-sand plaster consumption

Expense

Need to buy a universal solution, which can be comfortable to work with, select this mixture as a cement-sandy plaster. Consumption – this is an important factor that worries many. Calculate the correct amount a snap. Consider a few details:

  1. Before cooking solution carefully read the instructions stated on the packaging. Follow exactly all instructions provided by the manufacturer, and you will get a quality solution.
  2. If you prepare cement-sand mixture alone, then you must determine the thickness of the finish. Here's a sample calculation: if you want to obtain a thickness of 1 cm, 1 square meter needs about 8.5 kg of dry mortar.
  3. To prepare a sand-cement mixture for the facade, the optimal ratio of all components of 2:8:1 (cement, sand, water).
  4. It is Necessary to consider another indicator, namely the level of surface deviation. It is measured at least in three places. All indicatorsnecessarily summarized, and then the result is divided by the number of all terms.
  5. Experts recommend that the total volume of the solution was added 10% on all sorts of incidentals.

Easily Prepared cement-sand plaster. The proportions can be either found on the packaging, or to calculate your own.

composition cement-sand plaster

Exterior finish

Separately, I want to talk about the exterior work. They need to carefully choose the solution which has to withstand temperature changes, and also differ in frost and moisture resistance. Sand-cement plaster for external works is used for finishing of the following surfaces:

  • Aerated concrete;
  • Concrete and reinforced concrete;
  • Bricks;
  • Cement plaster;
  • The tree (here you need to pre-fix the iron mesh).

You can Apply in two ways: manual and mechanized. After plastering the following treatment:

  • Ceramic tiles;
  • Decorative plaster;
  • Finishing putty.

When working with this solution, consider the following specifications:

  • Work with the mixture at a temperature of from 5 to 30 degrees;
  • One approach is not recommended to apply a layer thicker than 40 mm;
  • Remember that when working with a solution on the street and its vitality is up to 6 hours.

Advice for beginners! If you want to plaster facade in frost, choose the mixture that is adapted to work at low temperatures.

The Stucco exterior cement-sand should be mark M300 - M500. You get a reliable and durable surface.

drawing of cement-sandy plaster

Training wall

Modern construction uses a variety of materials. It should be considered when preparing the walls for plastering. Once the materials are different, the training is appropriate. Consider some of the features:

  1. Brick. Always held the crate walls. After this it is necessary to treat the surface layer of glue and fasten metal grid across the surface.
  2. Tree. Installing sheathing of shingles or slats. But you can save. To do this, treat the surface with primer and apply a metal grid.
  3. Concrete. There is nothing complicated. It is sufficient to treat the surface with primer. Apply a thin layer of glue and install the metal mesh for plastering.
  4. Experimental materials. Surface is always programsuite. Make plastering of cement-sand mortar. Install a metal mesh and hold a finish solution.

Now you know how to undertake the correct preparation of the walls. It is important to find tools for the job.

stucco exterior cement-sand

Inventory

To work was a joy, prepare for your convenience the following tools:

  • Plastering ladle;
  • Trowel, spatula;
  • Floats;
  • Turk;
  • Level;
  • Trowel;
  • Bench hammer;
  • Spray;
  • Level;
  • Rule.

The Application of sand-cement plaster is with a bucket. Perhaps at first you do not succeed, but over time, you can learn everything. Throw the prepared mortar using a trowel. For fast and qualitative mixing of the mortar at construction mixer. It will help create a mixture of uniform consistency with no lumps.

sand-cement plaster proportions

Final phase

When cement-sand plaster walls caused by all the rules, you can move on to finish the work. They are in the grout. The procedure is performed, when the solution dries. To do this, you must do the following:

  • Dilute liquid solution of the dry mixture;
  • Put it on the wall;
  • Rubs his poluter.

The Surface will be smooth and smooth.

Expert Advice

  1. If you are preparing plaster yourself, use as a plasticizer of PVA glue.
  2. To spray in the solution add the tile adhesive. It will improve the adhesion with the surface.
  3. If you buy ready-made dry mixture, then carefully read the date of manufacture and packaging.
  4. Before the preparation of the solution, carefully review the instructions on each package.

In conclusion

Based on the foregoing, we can safely say that sand-cement plaster is the most versatile among all other representatives of their class materials. Use it safely for grouting interior and exterior walls. Plaster is especially good for sealing walls in cellars, garages and sheds. And the cost of it will make you happy.


Article in other languages:

BE: https://tostpost.com/be/hatn-tul-nasc/27180-cementava-pyashchanaya-tynko-ka-sklad-praporcy-vydatak-asabl-vasc-nany.html

DE: https://tostpost.com/de/gem-tlichkeit/26857-zement-sand-putz-komposition-proportion-verbrauch-und-merkmale-des.html

ES: https://tostpost.com/es/la-comodidad-del-hogar/26745-la-soluci-n-tsementno-arenosa-de-yeso-composici-n-proporciones-el-cons.html

KK: https://tostpost.com/kk/domashniy-uyut/27484-cementt---mdy-syla-ramy-yles-m-shy-ysy-men-erekshel-kter-zha-u.html

PL: https://tostpost.com/pl/komfort-domu/28558-cementowo-piaskowa-tynk-sk-ad-proporcje-zu-ycie-i-cechy-aplikacji.html

PT: https://tostpost.com/pt/o-aconchego-do-lar/28313-areia-cimento-gesso-composi-o-propor-o-o-consumo-e-caracter-sticas-de-.html

TR: https://tostpost.com/tr/domashniy-uyut/27069-imento-kum-s-va-kompozisyon-oranlar-t-ketimi-ve-zellikleri-uygulama.html

UK: https://tostpost.com/uk/domashn-y-zatishok/27748-cementno-p-schana-shtukaturka-sklad-proporc-vitrata-osoblivost-nanesen.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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