[Construction Example 20] Renovation of the condominium rooftop using a long-lasting, highly weather-resistant coating waterproofing method.
The existing waterproof coating on the rooftop of the condominium, where solar panels are scheduled to be installed, has been renovated using the high-durability heat-insulating composite waterproofing method "HP-LCC waterproofing method."
We would like to introduce an example of renovating an existing waterproof coating on a condominium rooftop using the high-durability heat-insulating composite coating waterproofing method "HP-LCC Waterproofing Method." 【Property】 [Renovation] Leaside Toyotsu (Suita City, Osaka Prefecture) ◇ Construction Date: December 2015 ◇ Construction Area: 118m2 ◇ Substrate: Urethane Coating Waterproofing 【Customer's Challenges and Requests】 ◆ Looking for a durable and weather-resistant waterproofing method with a long lifespan to install solar power panels. ◆ A long-lasting waterproofing method that requires fewer renovations after the installation of the power panels, with a long-term warranty (20 years). 【Adoption Background】 ◇ A composite coating waterproofing method with high waterproofing and water-tightness even in renovations. ◇ A long-lasting type combined with a dedicated topcoat that has high durability and heat insulation performance. 【Selection Points】 ◆ The "HP-LCC Waterproofing Method" is a long-lasting product with a 20-year warranty, allowing for a reduction in LCC (Life Cycle Cost). ◆ The combination of insulating waterproofing and a dedicated heat-insulating topcoat is expected to provide insulation and heat insulation effects. ◆ It has excellent crack-following performance, is solvent-free, and is an environmentally friendly product with minimal odor. ◆ The waterproofing edges achieve excellent water-tightness. ◆ It is a construction company and a long-term warranty product (in-house product).
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High Durability Heat-Insulating Composite Coating Waterproofing Method "HP-LCC Waterproofing Method" By combining insulating polyurethane rubber with an insulating, heat-insulating, and highly weather-resistant topcoat, we achieve high durability and high insulation waterproofing without removing the existing waterproof layer. *For more details, please refer to the PDF document or feel free to contact us.*
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【Standard Construction Process】 [1] Surface preparation (removal of protrusions and laitance) → [2] High-pressure water washing → [3] Application of specialized primer → [4] Installation of rubberized modified asphalt sheet (self-adhesive) → [5] Application of insulating polyurethane rubber (3 times spraying) or high-performance polyurethane (1.3kg/m2 × 2 times application) → [6] Application of specialized primer (0.1kg/m2) → [7] Application of specialized top coat (1.0kg/m2)
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Since our founding in 1945, Hamacast has been creating "good things" that no one can imitate. We develop and manufacture unique exterior materials and waterproofing materials, such as high-design stone-like exterior materials that replicate natural stone and excel in weather resistance and stain resistance, as well as tile exterior wall renovation methods that are highly safe and durable. We also offer waterproofing methods that combine over 40 years of experience and achievements in complex waterproofing techniques with added insulation and durability. Furthermore, our strength lies in our "complete responsibility construction," which ensures consistent quality and performance by managing all stages of construction and aftercare. By maximizing this strength, we respond to our customers' needs by enhancing the asset value of buildings and reducing maintenance and renovation costs. Moving forward, we will continue to explore without compromise to shape the values of a new era, consistently creating "good things" for people, communities, and the environment.