No expiration date and semi-permanent.
This is an announcement about Sunhachi from Hashimaya Co., Ltd.
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**Features** - No expiration date and semi-permanent Once laid, Sumihachi can be used semi-permanently without rotting or growing mold, and it requires no maintenance, eliminating the need for extra tasks like sun-drying. - Dry floor Sumihachi is sensitive to humidity and quickly absorbs and releases surrounding air, resulting in a noticeably drier floor compared to before. When humidity is low, it releases moisture accumulated on rainy days, maintaining a comfortable environment. - Reduction of pests Pests like cockroaches and termites are said to prefer humid environments (cockroaches: about 65% humidity or higher; termites: about 80% humidity or higher). By laying Sumihachi, humidity decreases, making it difficult for pests to thrive due to the sudden change in their environment. - Air purification Laying Sumihachi under the floor reduces mold, dust mites, and house dust both under and above the floor, decreasing the amount of mold spores, dust mites, and house dust in the air, thus purifying it. - Fire-resistant The ignition temperature of Sumihachi is about 400°C (compared to about 200°C for wood), making it less likely to ignite than wood. For more details, please contact us.
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