Roofing Works Materials Breakdown per Square Meter

Updated: Apr 6

This guide is a materials breakdown per square meter of roofing works. All you have to do is to multiply the factors below with your computed total area (in square meter). All in straight-to-the-point calculations.

The link below might help if you are looking for a single-story residential estimate.

Gutter, roof ridge, hip rolls, flashings and valleys are considered in linear meter since their area (or width as per actual) varies. These data already have wastage factors in it. Some also include 5%-10% additional expenses for the total material costs for contingency.

Check other construction data with the same concept on the links below.

These are shared here for the non-technical people to do their own material computation without the need to ask or hire engineers or quantity surveyors.

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