ハマキャスト List of Products and Services

The "HP-LCC Waterproofing Method" is fundamentally a three-layer structure constructed using machine spraying. The first layer is a rubber-modified asphalt sheet (self-adhesive type), the second layer is a spray polyurethane waterproofing material (1.5 kg/m²), or a high-performance polyurethane waterproofing material (2.6 kg/m²), and the third layer is a high-durability heat-insulating top coat (1.0 kg/m²). These materials are composed of almost solvent-free types. 【Features】 ■ The seamless "composite waterproof layer" of modified asphalt sheet and polyurethane coating achieves high waterproofing and water tightness. ■ Reduces the number of renovation works due to extended lifespan, significantly lowering LCC (lifecycle cost of the building). ■ Combines the "composite waterproofing" of the sheet and polyurethane with a high-durability heat-insulating top coat to protect the waterproof layer from solar heat and ultraviolet rays for an extended period. ■ There are no strong odors or noise from fixed pin installation during construction, minimizing the impact on residents and the surrounding environment. *For more details, please refer to the PDF materials or feel free to contact us.

[Renovation Work] We introduce an example of the installation of Hamacast's 20-year warranty roof waterproofing "HP-LCC" on the rooftops of a certain food company's factory and exhibition buildings, along with the installation of Daigas Energy's solar power generation system "D-Solar." [Customer's Issues and Requests] ◇ From the perspective of SDGs and decarbonization, we want to introduce a solar power generation system for the electricity supply used in the factory. ◇ We were looking for a long-lasting waterproofing solution that would require fewer renovations after installation to accommodate the installation of solar power panels. ◇ We decided to proceed with the introduction after receiving a proposal for a collaborative service from Daigas Energy and Hamacast. [HC Selection Points] ◆ Concerns about roof waterproofing renovation work due to the installation of the solar power generation system are reduced. ◆ The "HP-LCC waterproofing method" is a long-lasting product with a 50-year lifespan (20-year warranty), allowing for a reduction in maintenance cycles. ◆ The combination of composite coating waterproofing and a heat-reflective top coat (independently developed) prevents deterioration of the waterproof layer over a long period. *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce an example of the installation of "HP-LCC," a roof prevention system with a 20-year warranty, on a building with exposed asphalt waterproofing on the rooftop. 【Project】Roses Corp. Senri Building B Rooftop Waterproofing Renovation ◇Construction Date: August 2024 ◇Construction Area: 1749.9 m² ◇Base: Exposed Asphalt Waterproofing 【Selection Points】 ◆ It is a long-lasting product with a 20-year warranty (expected lifespan of 50 years), which can reduce maintenance and management costs. ◆ The combination of composite coating waterproofing and a heat-reflective topcoat (independently developed) prevents deterioration of the waterproof layer over a long period. ◆ The materials used have excellent crack-following performance, are of the inorganic solvent type, which means they have less odor and are environmentally friendly.