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How much is spent on a 100 m² foundation becomes a warning for those planning to build, using concrete, steel, and wood.

Published on 12/05/2026 at 20:41
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Mediatoweb channel’s calculation indicates a cost of R$ 27,580.00 for a 100 m² foundation, with labor, concrete, steel, wood, and waterproofing among the heaviest items even before the house begins to rise.

A calculation released by the Mediatoweb channel shows that the foundation for a 100 m² house can cost R$ 27,580.00, considering concrete, steel, wood, waterproofing, and labor. The survey details the main items used in this stage of the construction and helps to show how much the base of a building can weigh on the initial budget.

Labor leads the costs

The highest value presented is for labor, estimated at R$ 9,300.00. This cost involves the execution of the necessary services to prepare, assemble, and complete the foundation, a stage that requires care because it supports the entire structure of the house.

Concrete and steel exceed R$ 13 thousand

Among the materials, concrete appears with a cost of R$ 6,800.00. Steel was calculated at R$ 6,650.00. Together, these two items reach R$ 13,450.00, a value that represents one of the most important parts of the structure.

Wood and waterproofing complete the bill

Wood appears in the survey with a cost of R$ 4,150.00. It is usually used for forms and supports during the foundation’s execution. Waterproofing, in turn, was estimated at R$ 680.00 and serves as a protection stage against moisture.

Total is noteworthy

With all values combined, the 100 m² foundation reaches R$ 27,580.00. The calculation is noteworthy because this part of the construction is barely visible after the house is finished, but it concentrates significant expenses right at the beginning of the construction.

For those planning to build, the breakdown by category helps to understand where the biggest costs are. The budget also shows that, before the walls go up, the foundation already requires detailed financial planning.

This article was prepared based on a calculation released by the Mediatoweb channel about the cost of a 100 m² foundation.

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Fabio Lucas Carvalho

Journalist specializing in a wide variety of topics, such as cars, technology, politics, naval industry, geopolitics, renewable energy, and economics. Active since 2015, with prominent publications on major news portals. My background in Information Technology Management from Faculdade de Petrolina (Facape) adds a unique technical perspective to my analyses and reports. With over 10,000 articles published in renowned outlets, I always aim to provide detailed information and relevant insights for the reader.

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