ClimateCrete, a sustainable construction materials startup, has raised $3.3 million in a Series A funding round to advance its concrete production technology.
The round was led by Capital K, a Silicon Valley-based venture capital firm focused on deep technology startups. KAUST Innovation Ventures, the investment arm of King Abdullah University of Science and Technology (KAUST), also participated in the funding.
Concrete remains one of the most widely used construction materials globally. However, growing construction activity has increased demand for sand, a key ingredient in concrete production.
In Saudi Arabia, large-scale infrastructure and real estate projects have increased the need for construction materials. The country imports more than 30 million tons of sand annually, creating both supply chain and environmental concerns.
Transporting sand over long distances also adds to carbon emissions. Marine shipping, which is commonly used to move sand into the region, relies heavily on fossil fuels and contributes to the overall environmental footprint of construction projects.
At the same time, rising global demand for sand has intensified extraction activities in several regions, placing pressure on river systems, beaches, and other natural ecosystems.
ClimateCrete has developed a patent-pending process designed to use locally available sand in concrete production. The company says the technology can convert sand that is typically unsuitable for construction into a usable raw material.
By reducing dependence on imported sand, the approach aims to lower transportation-related emissions while improving access to construction materials in regions facing supply constraints.
The company also states that its formulation reduces the amount of cement required in concrete production. Cement manufacturing is a major source of carbon emissions within the construction sector.
ClimateCrete markets its product under the ClimateCrete™ brand and positions it as a lower-carbon alternative for concrete applications without significantly increasing production costs.
Commenting on the investment, Patrick Suel, Managing Director at Capital K, said the technology enables the use of abundant local sand resources for construction purposes while helping reduce emissions associated with concrete production.
The newly raised capital will support the company's efforts to further develop its technology and expand its presence in the construction materials market.
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