Is it necessary to plaster concrete?

THE ROUGH SURFACES OF THE WALLS ARE COVERED WITH PLASTER, A MIXTURE OF CEMENT, SAND AND WATER. PLASTERING IS IMPORTANT FOR THE FOLLOWING REASONS. Plastering covers rough edges and uneven surfaces, thus increasing durability and strengthening walls.

How can you tell the quality of plastering?

Check for smooth finish using spirit levels for undulations, cracks and evenness/straightness in vertical and horizontal directions. Ensure plastered surface is cured for the entire recommended period. Ensure plastering thickness is even at all points during plastering. Ensure the button marking tiles are removed.

What is the necessity of plastering?

To improve the appearance of the surface by providing an even, smooth, regular, clean and finished surface. In case of external plastering, the objective is to preserve and protect the surface from atmospheric influences by acting as a protective coating.

What is the thickness of plastering?

Cement plaster is generally used with 13 mm thickness and sometimes it can be of 19 mm thickness also. 19 mm plaster is done in two parts. First layer is of 13 mm and 2nd is of 6 mm thickness.

Which grade is best for plastering?

1) OPC:- ordinary Portland cement that is also known as in short form OPC . OPC is available in market in 3 grade 33, 43 and 53. But out of OPC grade, OPC43 is the best cement used for plastering in India for residential building and 53 is best cement for plastering of high rise building ,it has long lasting and life.

How do you test for cement plaster?

The pull-off test or the Bond test, in which steel disks glued to plaster are pulled off by means of a hydraulic servomotor, is used to determine the adhesion of plasters. But on building sites still rather crude tests, such as tapping, scratching and macroscopic surface evaluation, are used.

What are the disadvantages of plastering?

Disadvantage: Installation Finishing the drywall to a smooth surface takes multiple days because the joint compound that seals the seams between boards needs to dry before another coat is added. Plaster doesn’t produce any dust except for a small amount released when water is first added to the powder.

What are the three coats of plastering?

In the 3- coat plaster, the first coat is known as rendering coat second coat known as floating coat and the third coat is known as setting coat or finishing coat.

Is cement code tested?

IS: 4031 – chemical analysis and tests on cement.

What type of cement is good for plastering?

There are three main Cement Grades from which you can choose. These are Ordinary Portland Cement (OPC), Portland Slag Cement (PSC) and Portland Pozzolana Cement (PPC) available in the market. OPC is available in two grades — 43 and 53. Both grades are considered best for plastering work.

Is Maha cement good for plastering?

Maha – OPC 43 grade cement, is manufactured by grinding the high quality clinker with superior quality gypsum in optimum quantity. This is the most common type of cement used for construction purpose. It is ideal for RCC, PCC, all types of masonry work and finishing work like plastering etc.