Research into the building materials has been in high gear due to high cost of constructions and low variety of versatile materials. Increased flooding in the city of Nairobi during the rainy season has been a major headache to the residents of Nairobi. Nairobi news listed NHC Nairobi West Estate, Imara Daima, South C, Near Clay Works along Thika Road, Nyayo High Rise Estate in Mbagathi and Kileleshwa as the top six flood prone areas in Nairobi (Musambi, 2015).