2) plastering of inner face or plane face of brickwork and concrete walls is known as inner wall plastering. The most common mortar mix ratio for wall plastering is 1:6, here 1 part is cement and 6 part is sand in a workable amount of water. or as directed by the Engineer, The plaster should be in straight line, leveled, plumbed and the joint must be in right angle. Cement, Sand and Water calculation of 12mm thick Plaster of various cement mortar ratio 1:3, 1:4, 1:5 and 1:6 used for various purposes like Internal Plastering, External Plastering, brickwork mortar etc., Plaster is a material used in building for the purposes such as protection, decoration, coating of walls, ceilings, moulding etc. This varies according to the needs of the task: above ground is 5:1, below ground is 3:1 and internal walls is 8:1. We know that external part of brick wall is more prone to sever climatic condition, its needs more protection from outer side, plastering make it strong and damp proof and prevent from seepage of water in brick wall. Either 9 or 4.5 MM thick and 15 MM thick cement plaster in 1:4 ratios is recommended on the rough side of the walls. ● 1:6 – It is perfect normal mortar mix ratio used at construction site for general purpose it can be recommended for internal wall plastering if fine sand is available. PCC ratio for flooring footing Foundation &... 1 ton 10mm 20mm & 40mm aggregate convert to cft, 1 ton 10mm 20mm & 40mm aggregate convert to m3, How many bricks in 1 square feet | Brick size. It's me Balram Sir Founder and CEO of civilsir.com and YouTuber with 15K Subscribers at Hello Sir. Whether you deserve unique skills for 'Plastering' or you need to know them. Read more about cement plaster checklist in article here. 1 Dhur is equal to square feet in Bihar land... What is the RCC column cost per sq ft in India. 3) plastering of concrete structure like column and beam is known as concrete wall plastering, 4) plastering of bottom face of roof or ceiling is known as roof or ceiling plastering. Mortar Calculation for Plastering work Density of Cement = 1440 kg/m3. Plaster work is important part of construction, which provides smooth, level and hard surface that can be painted to give good look. The correct mixing ratio would be 1:1.5:1 — 1 cement : 1.5 sand : 1 gravel stones with 0.4 water. Sand Density = 1450-1500 kg/m3. Unique 'Plastering' makes a difference and requires a lot of skills which are discussed here. Calculation for Cement Volume. Dry Volume of Mortar = 0.108 x 1.35 = 0.1458 m 3. Cement:Sand = 1:5, 1 part of cement and 5 parts of sand in a mortar). The mortar mixed shall be consumed within 30 minutes of its mixing. Sum of ratio is = 7. If you use more water it will leave holes (porosity of the mortar), and if you use less water, it will not lead to hydration. Mix Ratio of Mortar: General Usage Recommended: 1:3 • As its a rich mortar mix, and it is used where external walls are prone to severe climatic conditions. In actual Plastering process is an art, truly recognized for constructing the base. Plastering is thin layer of cement mortar adhesive material put over the brick wall for protection from environment ,smooth surface, good finishing, good looking & increasing the strength of brick wall. The ratio of cement and sand for plastering is given below. 1440 kg/m3 mixture needed will dictate the exact ratio both interior and exterior walls give... What is the useful plaster calculator to calculate cement and sand for plastering done. Protective surface for external and internal wall made of brick walls and RCC slabs is applied to interior. Below ground is 3:1 and internal walls is 8:1 universal that can be upto! 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