エイチユー丸八 List of Products and Services

The stainless steel screw "SUS305 Stainless American Screw" is a screw that can accommodate materials ranging from hard to soft. 【Features】 ■ Reduces impact load! ■ Long-lasting battery! ■ The root cut increases driving force! ■ Popular square bit in America! *For more details, please download the PDF or feel free to contact us.

• Work tools

The "Exterior Comprehensive Catalog" is a catalog from H.U. Maruhachi Co., Ltd., which engages in the construction and sales of exteriors, gardens, and wooden decks. It features a wide range of materials, including "Eco Accol Wood," a high-performance preserved wood, and "Selangan Batu," which is relatively inexpensive and can be manufactured in special sizes, as well as stone materials that can be enjoyed alongside natural materials. 【Contents】 ■ Wood ■ Hardware & VIS ■ Custom-made products ■ Construction examples (wood decks, terraces, balconies, etc.) ■ Stone materials ================================================= Based on our track record of over 4,500 constructions, we select and propose hardwoods and preserved woods with an understanding of the characteristics of the materials. We cater to all exterior products, including decks, fences, pergolas, garages, gates, and benches. ================================================= *For more details, please refer to the PDF document or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Exterior Stone

"Veneer Laminated Phenolic Wood" is a recycled product made from rubber trees that have completed their role after 25 to 30 years. At the veneer stage, low molecular weight phenolic resin is impregnated and thermoset, making it resistant to termites and providing waterproofing effects. It is characterized by minimal warping and bending. 【Features】 ■ A completely eco-friendly product made from rubber trees ■ Resistant to termites ■ Waterproofing effect ■ Minimal warping and bending ■ Durability of over 10 years *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Red cedar" has a straight and uniform grain, with color variations depending on the part of the wood, typically in warm tones, and it has a unique sweet aroma that can also provide a relaxing effect. It is relatively soft and has a uniform texture, allowing for beautiful finishes in all processes and methods of shaping and finishing. It is characterized by being less prone to splitting when nailed and easy to work with. [Features] - Very low shrinkage rate, resulting in no warping or cracking after processing - Lightweight with a soft texture - Excellent thermal insulation and sound absorption - Uniform material - Achieves a beautiful finish *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Old timber" is a popular choice for commercial facilities. With the warmth of natural materials and a unique character, old wood pairs exceptionally well with landscaping. Store fixtures, flower stands, fences, and flooring can all showcase a natural and antique taste, while high-quality sleepers create a garden with a unique expression for each piece. 【Features】 ■ Popular in commercial facilities ■ Unique texture ■ Natural material ■ Creates a natural and antique taste ■ Dynamic wood appearance *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Manilkara" is an ultra-dense hardwood used for outdoor decks, port materials, and column bases, as well as in bridges. It is characterized by legal logging, and due to the high occurrence of warping and cracking, it requires careful drying. 【Features】 ■ High durability and high strength ■ Smooth grain and wood surface ■ No need for insect and rot treatment due to high durability ■ Lifespan of over 20 years *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Bilian (Ulin)" is the most well-known hardwood. Due to a national policy, exports were banned from 1950 to 1996, so there has only been about 20 years of domestic experience in Japan. Currently, both logging and export are regulated as it is a habitat for orangutans, but it is recognized as a highly durable wood known as Borneo ironwood by many countries. [Features] ■ Good workability among hardwoods ■ Rich in polyphenols, resistant to marine pests like shipworms ■ High durability ■ Top-class wood ■ Lifespan of over 20 years *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Selangan Batu" is classified as a first-class material for heavy structural use. Although its durability is inferior to other hardwoods, it has a lifespan of about 15 years. It has a high track record and demand in Europe and Australia, and is widely used overseas. Domestically, it tends to be avoided due to issues with splitting and warping, but there is significant demand in regions southwest of Kansai. 【Features】 - Can be imported as raw timber, allowing for the production of special sizes - Somewhat cheaper compared to other hardwoods - High track record and demand in Europe and Australia - Many applications in public works - Durability of about 15 years *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

The "Australian Cypress" is one of the closest species to hardwood among coniferous trees. It is resistant to termites and has high compressive strength, making it a wood used for the foundations of luxury homes. The durability of the heartwood is said to be 15 years, and healthy heartwood is difficult for termites to inhabit. It has been verified that the mortality rate of termites in anti-termite experiments is 1.5 times higher than that of domestic cypress. 【Features】 ■ Strong against termites, comparable to hardwood ■ Closest to hardwood among coniferous trees ■ High compressive strength ■ Used for the foundations of luxury homes *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Ipe" is a type of wood that is widely used in general structures, woodworking, cabinets, ships, lathe work, sculptures, utility poles, bridges, and more. Historically, it has been used extensively as a hardwood known for its exceptional durability and minimal warping and shrinkage (cracking and twisting), making it suitable for public works and heavy structural buildings. Its grain, texture, and feel are distinct from other hardwoods, exuding a sense of luxury, which contributes to the product's top-class popularity. 【Features】 ■ Beautiful grain with a luxurious feel ■ Excellent durability with a proven track record of use ■ Dimensional stability that stands out among hardwoods ■ Lifespan of over 25 years *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Itauba" is a wood that is strong against termites and suitable for decking materials. It contains more oil components compared to other hardwoods, characterized by its smooth appearance, and due to its toughness and elasticity, it is less likely to break and is easy to handle. When exposed to ultraviolet rays, it changes from an olive color to a brownish color, ultimately becoming silver gray. [Features] - High durability against corrosion - Smooth appearance - Toughness and elasticity, making it less likely to break - Strong against termites - Lifespan of over 20 years (heartwood) *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)
• Other flooring materials

"Eco Acorn Wood" is a revolutionary treated wood that overcomes the drawbacks of wood, such as cracking and decay. It is made by pressure-injecting a low-molecular phenolic wood preservative called "Eco Acorn" into domestic cedar, followed by drying and heat curing after the treatment. Additionally, it suppresses termite damage and maintains high dimensional stability. ===================================== Eco Acorn Wood was developed through a collaborative effort among the private sector (companies), academia (universities), and government (prefectures) with the concept of "Protecting Japan's Forests." ===================================== 【Features】 ■ High durability ■ Suppresses termites ■ Reduces cracking and decay ■ No toxic gases emitted ■ Non-metal protective treatment *For more details, please refer to the catalog or feel free to contact us.

• Artificial wood
• Wood deck (synthetic wood/resin)