A roofing underlayment that combines waterproofing and breathability! Save on heating and cooling costs with external insulation!
PERMANENT THATCH An artificial thatch system that preserves natural beauty for a long time.
Inheritance and Rediscovery of Traditional Techniques! Bringing Japan's Ancient Traditional Roofing Methods into New Architecture.
Thanks to the technology we have developed over many years, we can handle any roof, even those that are three-dimensional!
No pre-drilling required for hardwood and thin steel plates! For cases where regular wood screws won't fit. It also prevents wood splitting!!
It is optimal for fastening wood together. The head is thin and has a large shape, which provides a clamping effect on the counterpart material.
It is a washer that fits the shape of metal roofs such as folded plate roofs and has good compatibility with packing.
Conveying and connecting a solid tradition that has continued since the Tenpo era (1830s) to create the future.
A popular material for Japanese-style gardens, thatched with cedar bark. This construction method offers a high degree of freedom in design and execution.
Beautiful traditional Japanese roofing material. It is a method of roofing with split boards made from materials like Sawara and cedar, offering a high degree of flexibility in material choice.
Contributes to labor-saving in roof substrate construction due to its lightweight and excellent workability. A roofing material with a multi-layer structure that has high waterproofing and strength.
A thatched roof eaves that reminds us of the good old landscapes of Japan. Bringing beautiful thatch closer to us: a new form of thatch.
A high-strength panel that reduces the amount of main building materials, lowers construction costs, and features insulated roof panels that shut out leaks even during typhoons and heavy rain!
A roofing material that is difficult to ignite and spread flames due to the self-digestibility of natural ingredients! There are no artificial harms because the resin that makes it fire-resistant is made from natural components.
The natural components contained in tree sap repel insects, making it difficult for them to approach, and it is possible to prevent insect damage such as termites!
The high density of the wood and its low thermal conductivity allow it to stay warm in winter and comfortably cool in summer!
Since it is made of natural wood, it takes the environment into consideration both during manufacturing and disposal. The roof boards that have reached the end of their lifespan can be decomposed and returned to nature.
The roof cover is single-layered, the plastic imitation wood has a diameter of φ150, and the core material steel pipe has a diameter of φ89.1 and a thickness of t4.2!
Unwavering strength against typhoons, earthquakes, and rain! A groundbreaking roofing material boasting long-term durability.