Roof Plastering Ratio

To calculate the cement and sand for 100 m 2 plastering area in 1 6 ratio and 12 mm thickness.

Roof plastering ratio.

4 1 part of cement and 4 part of sand. Always use good quality of cement different grades of cement as well as good quality sand. Recommended plastering cement sand ratio are 1 3 for repair 1 4 for external wall ceiling roof concrete plastering 1 5 internal brick wall plastering have no fine sand 1 6 for internal brick wall plastering whick have fine sand general used in civil engineering building construction. We have detailed the calculation in our plastering work calculation post.

The thickness of plaster is between 12 mm to 15 mm. Plastering work ratio calculation. Calculate the area of plastering. Ratio of cement and sand for plastering the ratio of cement and sand for plastering is given below.

For roof plaster mainly ratio we use 1. 6 mm thickness of cement plaster and cement mortar 1 3 or 1 4 is recommended for cement plastering on rcc surfaces on the rcc walls fascia etc. Area width x height 10 x 10 100m 2. Always use measuring box for measuring the quantity of sand and cement at the site.

Required volume of cement 1 4 x 1 55 void ratio x mortar volume 1 4 x 1 55 x 10 0 015 0 058 cum or 1 67 bags required sand volume 3 4 x 1 55 void ratio x mortar volume 3 4 x 1 55 x 10 0 015 0 174 m 3. Ratio of first coat of plastering cement sand 1 5 with the thickness of 12mm. Plastering thickness 12 mm 12 1000 0 012m. 100 m 2 x 0 012m 1 2 m 3.