The term Plastering is defined as mortar covering smeared on walls or ceilings. Plaster not only removes any roughness from concrete or masonry surfaces but also provides the required smoothing. Plastering is used to stop water from entering masonry surfaces.
Requirements to make good plaster
It should adhere to the background and remain in place despite any changes in the climate. Plaster should be economical and cost-effective. It should be durable and hardy.
Plaster should be effective in protecting moisture entry. It should be able to work well.
Common materials needed for plastering in Maidstone
Lime, Sand, Cement, Sand and Water are all available in Admixture
Types of plastering
- A) Based on Ingredients
- Cement Plaster
It is used for all types of construction and plastering in Maidstone. Cement plaster is a form of cement that is used to bond cement. It is recommended that you only apply one coat. The plaster coat thickness will vary depending on the building type and practical conditions. RCC surfaces should be 1:3 CM thick for ceilings, and 1:4 CM thick for walls plastering. This plaster is most effective against dampness.
- Lime Plaster
It is composed mainly of sand and hydrated lime, as well as water. Lime plaster is a form of lime mortar that is bound with lime. Lime plaster mortar is made by mixing lime and sand in equal amounts. It is recommended to add some cement to plaster in order for it to have more strength.
- Cement lime plaster
For a smooth finish, a little cement can be added to lime plaster.
- b) Based upon type of finish
- Plaster with sand:
For External Plastering in Maidstone, or anywhere else, sandface finishing is normal. This finish is achieved by applying two coats plastering.
- First coat: The CM in 1 to 4 ratio is used with a 12 mm thick layer cement sand mortar. The coat is allowed to cure for 7 days.
- Second coat: The CM is applied in a 1:1 ratio. A layer of cement and sand 8 mm thick is added to the second coat. Finish the surface with a sponge after leveling.
The uniformly sized screened sand is used to make walls. It is then applied using a skimming flotilla. This is the so-called sand faced plaster.
- Finish Pebble Dash: The cement Mortar should contain a mixture of fine and coarse aggregate, cement and sand that can be applied for walls.
- Rough cast finish: Also known as spatter dieh finish. This cement Mortar should contain coarse aggregate, cement, sand and smooth workability to be applied for walls.
- Smooth cast finish: The mortar should be used in the ratio of 1 to 3. To prepare the mortar, the fine sand must be removed from the sand by sieving it over 2.36mm. Use the appropriate tool skimming or wood float to apply the cement mortar. Smoothen the surface.
Textured finish
- Texture plaster, also known as Stucco plaster, is a decorative plaster that gives off a stunning finish to exterior and interior walls.
- The plaster is usually applied in three coats, with a maximum thickness of 25mm.
- The scratch coat is the first coat. The second coat is about 10mm thick and is applied first. The third coat is about 5mm thick and is used as the final coat, or white coat.
Rough Guidelines for Mortar for Plastering
Ceiling CM 1 to 3 Internal walls CM1:6 External walls. CM1:5
