The ideal cement to sand ratio for mortar in brickwork is usually 1:6, while for plastering it can vary between 1:3 and 1:6 depending on the application and specific requirements.

A cement mortar is prepared by mixing of cement sand and water in required proportion to achieve the targeted compressive strength of masonry work like brick wall, plastering and bricklaying

Bricklaying is part of masonry work in which bricklayer is put over one another by the help of cement mortar is act as binding or adhesive material joining together bricklayer to gain higher strength, laying of brick layer is known as brickwork, it is used to form external and internal brick wall in the house.

Plastering is the process of application of cement mortar on the rough and plain surface of brick, block and concrete wall which have greater finished and smoothness.

When we are starting a new projects, there is question arises in mind what should be the best or standard mix of cement sand ratio used for different types of masonry work. Cement to sand ratio for mortar preparation depends on type of brickwork either for external wall (9″ wall) or internal wall (4″ wall), double brick wall, single brick wall, full brick wall and half brick wall, type of plastering used for internal and external wall, it is load bearing structure for retaining wall or non load bearing structure as partition wall.

Typically, brick work cement to sand ratio in brick masonry is about 1:4, 1:5 and 1:6. A typical cement to sand ratio of 1:4 is used for interior walls while mix ratios 1:5 and 1:6 are used for construction of exterior walls.

**Cement to sand ratio for mortar, brickwork and plastering**

Typical, a mortar prepared by mix of cement sand ratio like 1:6 (1 part cement and 6 part sand), 1:5 (1 part cement and 5 part sand), 1:4 (1 part cement and 4 part sand) and 1:3 (1 part cement and 3 part sand) are used for different purpose.

There are various cement to sand ratios for each element of the building construction. It is generally as follows:-

1) For masonry construction block/ brick work, ratio of cement to sand is = 1:3, 1:4, 1:5 and 1:6.

2) For reinforced concrete, ratio of cement to sand (fine aggregate) is = 1:2, 1:1.5, and 1:1. The coarse aggregate of 20 mm graded down to 10 mm will be two times the respective fine aggregate.

3) For plastering, ratio of cement to sand is = 1:2, 1:3, 1:4, and 1:5.

4) For plain cement concrete, ratio of cement to sand is = 1:3, 1:4, 1:5, and 1:6.

**Cement to sand ratio for brickwork**

The typical **brick work mortar ratio** for building a brick wall in a typical residential home is (cement:sand) **1:4 and 1:6**. A typical **4 inch** brick work requires a **1:4** mortar ratio and a **9 inch** brick work requires a **1:6** mortar ratio.

As per general guidelines, for block/ brick work or masonry construction or mortar mix, typically, ratio of cement to sand is 1:3 (1 part cement to 3 parts sand), 1:4 (1 part cement to 4 parts sand), 1:5 (1 part cement to 5 parts sand) and 1:6 (1 part cement to 6 parts sand) are used.

**Cement to sand ratio for plastering**

The typical cement sand **mortar ratio** for plastering a brick wall in a typical residential home is (cement:sand) **1:4 and 1:6**. **Typical** **exterior** **plaster** requires a 1:4 mortar ratio and **interior** **plaster** requires a 1:6 mortar ratio.

As per general guidelines, for plastering or rendering of external or internal wall typically, ratio of cement to sand is 1:4 (1 part cement to 4 parts sand), 1:5 (1 part cement to 5 parts sand) and 1:6 (1 part cement to 6 parts sand) are used.

**Cement to sand ratio for RCC**

As per general guidelines, for reinforced concrete or rcc, typically, ratio of cement to sand is 1:2 (1 part cement to 2 parts sand), 1:1.5 (1 part cement to 1.5 parts sand) and 1:1 (1 part cement to 1 parts sand) are used. The coarse aggregate of 20 mm graded down to 10 mm will be two times the respective fine aggregate.

**Cement to sand ratio for PCC**

As per general guidelines, for plain cement concrete or pcc, typically, ratio of cement to sand is is 1:3 (1 part cement to 3 parts sand), 1:4 (1 part cement to 4 parts sand), 1:5 (1 part cement to 5 parts sand) and 1:6 (1 part cement to 6 parts sand) are used.

**Cement to sand ratio for mortar mix**

As per general guidelines, for mortar mix used for block/ brick work or masonry construction or plastering, typically, ratio of cement to sand is 1:3 (1 part cement to 3 parts sand), 1:4 (1 part cement to 4 parts sand), 1:5 (1 part cement to 5 parts sand) and 1:6 (1 part cement to 6 parts sand) are used.

**Cement mortar ratio**

The cement mortar ratio for PCC flooring in a typical residential home is (cement : sand : stone) **1:4:8, 1:3:6 and 1:2:4. **Typical brick work and plastering requires 1:6 and 1:4 cement mortar ratio.

**Cement sand ratio**

In this regard, “cement sand ratio”, in terms of the ratio for mortar, it depends on what strength you are trying to achieve, but as a general guide a standard cement sand ratio would be 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand). For brickwork and plastering, a mix of 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand) can be used.

**Cement to sand ratio**

In this regard, “cement to sand ratio”, in terms of the ratio for mortar, it depends on what strength you are trying to achieve, but as a general guide a standard cement to sand ratio would be 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand). For brickwork and plastering, a mix of 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand) can be used.

**Cement and sand ratio**

In this regard, “cement and sand ratio”, in terms of the ratio for mortar, it depends on what strength you are trying to achieve, but as a general guide a standard cement and sand ratio would be 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand). For brickwork and plastering, a mix of 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand) can be used.

**Cement to sand ratio for plastering**

In this regard, “cement to sand ratio for plastering”, in terms of the ratio for plastering, as a general guide a standard cement to sand ratio for internal plastering would be 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand). For external wall, ceiling and concrete wall plastering, a mix of 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand) can be used and other mix ratio 1:5 (1 part cement and 5 part sand) is used if coarse sand is available and 1:3 mix (1 part cement and 3 part sand) for repair purpose.

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**Cement sand ratio in plaster**

In this regard, “cement sand ratio in plaster”, to this answer it is very simple, in general, a recommended mix in plaster of cement and sand in the ratio of 1:6 (1 part cement and 6 part sand) used for inner plaster of brick wall, for plaster of outer brick wall, ceiling and concrete wall mix in the ratio of 1:4 (1 part cement and 4 part sand) is being used and other mix ratio 1:5 (1 part cement and 5 part sand) is used if coarse sand is available and 1:3 mix (1 part cement and 3 part sand) for repair purpose.

**Cement sand ratio for brick wall**

In this regard, “cement sand ratio for brick wall”, in terms of the ratio for brick wall, as a general guide a standard cement sand ratio for full or double brick wall would be 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand). For single brick wall or half brick wall, a mix of 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand) can be used.

**Cement sand ratio for brickwork**

In this regard, “cement sand ratio for brickwork”, in terms of the ratio for brickwork, as a general guide a standard cement sand ratio for full wall brickwork would be 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand). For half wall brickwork, a mix of 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand) can be used.

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**Cement sand ratio in mortar**

In this regard, “cement sand ratio in mortar”, in terms of the ratio in mortar, it depends on what strength you are trying to achieve, but as a general guide a standard cement sand ratio in mortar would be 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand). In brickwork and plastering, a mortar mix of 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand) can be used.

**Cement sand ratio for mortar**

In this regard, “cement sand ratio for mortar”, in terms of the ratio for mortar, it depends on what strength you are trying to achieve, but as a general guide a standard cement sand ratio for mortar would be 1 part cement to 4 parts sand represented as 1:4 (1 cement : 4 sand). For brickwork and plastering, a mortar mix of 1 part cement to 6 parts sand represented as 1:6 (1 cement : 6 sand) can be used.

**Conclusions:-**

Typical cement to sand ratio for mortar is (cement/sand) 1:6 and 1:4. Typical brickwork and plaster require a mortar ratio of 1:6 and PCC floors require a mortar ratio of 1:4:8.