**Contents**show

## How is CHB calculated in the Philippines?

**Determine your initial wall area:**

- Square Wall Area = Length * Height. = 5m * 3m. = 15m
^{2} - Door Area = 2.1m * 0.6m. = 1.26m
^{2}Window Area = 1m * 0.6m. = 0.6m^{2}… - Total Wall Area = Initial Wall Area – Total Wall Opening Area. = 15m
^{2}– 1.86m^{2}= 13.14m^{2} - No. of CHB = 13.14m
^{2}* 12.5. = 164.25 pcs of CHB. ~ 165 pcs.

## How much is hollow blocks in PH?

Masonry Works Prices Philippines

Masonry / CHB Wall Works | ||
---|---|---|

Concrete Hollow Blocks (CHB) 4″ | pc | 12.00 |

Concrete Hollow Blocks (CHB) 6″ | pc | 18.00 |

Portland Cement, 40 kg. | bag | 261.00 |

Washed sand | cu.m. | 1,365.00 |

## How do you calculate sand and cement for CHB laying?

**Based on the specified kind of mixture and CHB thickness, multiply your area with the corresponding values from the mortar proportion table:**

- Quantity of Cement Bags = Area * Cement multiplier for a Class “B” mix. = 6m
^{2}* 0.522. - = 3.132 bags ~ 4 bags.
- Quantity of Sand = Area * Sand multiplier for a Class “B” mix. …
- = 0.261 m
^{3}

## How do I calculate concrete blocks?

Measure the length and height of the block in inches and then substitute the values in the equation **square feet of block = (length of block x height of block) / 144**. For example, a standard cement block measures 16 x 8 inches, so it covers 0.89 square feet — (16 x 8) / 144 = 0.89.

## How do you calculate mortar for hollow block work?

**Multiply the area of the wall by 0.02 —** the industry standard factor for calculating mortar volumes for block walls — if the wall is constructed from double open-ended bond beam blocks. The result is the volume of mortar required, expressed in cubic yards.

## How much is one bag of cement in the Philippines?

The wholesale price of Lafarge (Republic brand) and Cemex (Rizal and Apo brands) is now at **PHP184 per bag**. Holcim Cement is selling at PHP170 for pick-up and PHP180 for delivered product. In Batangas, the retail price of Holcim cement is between PHP190 to PHP195 per bag.

## What is the price of hollow block?

Questions & Answers on Concrete Hollow Blocks

Material | Min Price | Max Price |
---|---|---|

Concrete | Rs 28/Piece |
Rs 50/Piece |

## How much concrete do I need for hollow blocks?

Concrete blocks are often made of **1:3:6 concrete** with a maximum size aggregate of 10mm or a cement-sand mixture with a ratio of 1:7, 1:8 or 1:9. These mixtures, if properly cured, give concrete blocks a compression strength well above what is required in a one-storey building.