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Synergy homes builder9/3/2023 ![]() The Nigerian architect believes there are many more prospects to explore the use of laterite and other local materials. Save this picture! Laterite tyrolean finish on container faces, Mad house, Lagos. This made the surfaces more receptive to receiving tyrolean. Additionally, they experimented with a "laterite paint" by mixing the material with PVA and applying it to the container surfaces. They used techniques such as wattle and daub to insulate the interior and developed mud ball finishes to give the containers a unique character. With this in mind, the team explored the use of laterite in the container structures of their current projects. It contributed to the building's thermal performance by providing a cool indoor space and reducing energy consumption. The use of laterite in the Abijo mosque project had a significant impact beyond visual aesthetics. Shokunbi notes that this language is inspired by traditional Yoruba mud buildings and reflects the climate, culture, and beliefs of the people. The mosque building is the epitome of the Laterite tyrolean technique as the finish completely wraps the envelope, creating a unique visual language. To address this, polyvinyl acetate (PVA) was included in the mix to bind, seal, and protect the finish from harsh weather. Image © Tolu Sanusi Rubyspolaroidĭuring the rainy season, the team faced challenges with the technique because the finish would wash off or distort due to the rain. Save this picture! Abijo Mosque, Lagos showing laterite texture. However, the mixture lost its tone - you know, that very burnt earthy color - and became very pale," alluded Shokunbi. "We noticed that by adding a higher ratio of cement, we could bond the Laterite properly. The cement was inflated in the ratio to aid in binding. The team began with a mix of 1 bag of cement, 1 part sharp sand, and 3 parts Laterite (1:1:3). They then switched to the tyrolean technique and substituted parts of the mix with various ratios of Laterite to explore its spraying capabilities, bonding abilities, toning, and durability. They initially used it as a simple render on a block wall but found it to be expensive to apply evenly. In the Mad House project, which involved designing a stack of containers to create vocational spaces, the PWDC team first experimented with the use of Laterite. It has been widely used as a building material in West African vernacular architecture, taking various forms, such as adobe bricks, traditional rammed walls, and integrated techniques like wattle and daub houses. Laterite is a naturally occurring reddish clayey material that forms the topsoil and subsoil in tropical regions. ![]() ![]() Save this picture! Laterite Tyrolean Texture. ![]()
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