From Phillip, one of our readers: We went to see this temple in N. Thailand. One structure was made of adobe and rice hulls bricks. The whole village helped in the project. It had 2 floors. Ground floor was dining hall. Second floor was apartment for senior monks. We also saw a toilet built separetly. On the toilet the roof was made of bamboo mat covered by chicken mesh wire and cement. The mail building was painted by waterproof paint, but it looked like some water drops were damaging it.
In the same village there is a Japanese restaurant with an organic garden. They have this clay brick structure there. Very rough workmanship. Perhaps some kind of a fun project.
Wat Huai Thaeng, Tambon Pa Phlu, Amphoe Ban Hong, Chang Wat Lamphun 51130
Rice hull bricks are susceptible to water damage and wear. Look closely in the first photo and you can see the rice hulls where the clay coating is wearing off. A blog post from about 5-6 years ago profiled a beautiful resort in Thailand made with rice hull bricks. They covered the structure with a thatched vault to protect the bricks and keep the house cool.