User Guide

i. Select the main material from a predefined database list.

ii. The material is categorized as either structural or non-structural.

iii. Its composition is specified as virgin or recycled.

iv. Select the sub-materials.

v. Select the specific product.

vi. Select the unit of material (e.g., kg, m³).

vii. Select the country/region of origin.

Please refer to the following video for the actual operation of Carbon Emission Tool for Construction Materials:

The logic is the same as the previous calculator, but it allows the user to obtain a country-specific localised emission factor for a specific product/ material.

Step 1: Utilize the drop-down menus to choose the main material category and its corresponding sub-material category.

Step 2: Utilize the drop-down menus to choose the material type (structural/ non-structural).

Step 3: Utilize the drop-down menus to choose the existing product.

Step 4: Enter the distance from the other region to Hong Kong, or utilize the default data.

Step 5: Utilize the drop-down menu to select the transportation mode.

Step 6: Obtain the results of country-specific localized emission factors (A1 to A4).

Please refer to the following video for the actual operation.