GSC List of Products and Services

Our company offers "guaranteed partial water stop construction" that applies water stop treatment to ceilings, rooftops, walls, pools, and water tanks, ensuring a water stop condition for three years. The water stop treatment is applicable to both the exterior and interior sides of walls and ceilings. By cutting off the pathways for water intrusion, it maintains the water stop condition for an extended period, not just instant waterproofing. It can be performed even in wet conditions, such as underground pits or dams where spring water occurs. The work can be carried out without halting operations in kitchens and other areas, contributing to reduced construction time and costs. 【Features】 ■ Identify and address the causes of leaks and rainwater intrusion to achieve long-term water stopping. ■ Partial repairs also come with a three-year water stop guarantee. If re-leakage occurs within the period, prompt action can be taken. ■ Construction can be completed in as little as one day without moving equipment in kitchens and similar areas. ■ Propose appropriate water stop methods based on the results of free and paid inspections, and carry out the work in-house. ■ Estimates for the restoration of wet interiors and other related services are also available. *For more details, please refer to the materials. Feel free to contact us with any inquiries.

• Waterproofing work
• Renovation and repair methods

GSC Corporation approaches construction with "specialized knowledge," "proposal ability," and "construction capability" backed by various construction experiences, and we are committed to assisting in the repair plans of buildings, which are valuable assets for our customers, using new technologies and knowledge. Buildings are exposed to unexpected damage from various changes in natural environments, such as earthquakes, storms, temperature fluctuations, and increasingly severe abnormal weather in recent years. In a modern society where it is desirable to carry out repairs before problems escalate, many are struggling to allocate maintenance costs under harsh economic conditions. That is why GSC Corporation conducts investigations, diagnoses, and construction for areas of buildings that may suffer from deterioration or potentially fatal damage, taking these issues into account. We fully support maintenance plans aimed at "extending the life of buildings without destroying them," keeping the future value of the buildings in mind. 【Business Activities】 ■ Waterproofing work (ultra-fast curing urethane, polyurea) and leak cause investigation ■ Various painting and heat insulation work (Adgreen Coat certified contractor) ■ General exterior wall renovation work (carbon pin net certified contractor) and various floor coating works ■ Asbestos-containing material investigation *For more details, please refer to the PDF materials or feel free to contact us.

• Waterproofing work
• Waterproofing Agent
• Renovation and repair methods

In recent years, the "super fast-curing urethane/polyurea" that is increasingly being adopted on construction sites handles materials from various manufacturers, and we at GSC, who have worked on numerous sites, can respond quickly to diverse environments. The biggest advantage is the speed of curing. Conventional urethane waterproofing materials take about 10 hours to cure, which can lead to issues such as being affected by weather conditions and walking restrictions. However, super fast-curing urethane/polyurea can be touched within about 10 seconds after spraying. Walking is possible in about 15 minutes, allowing for a quick transition to the next phase of construction. It can instantly form waterproof and anti-corrosion coatings, significantly shortening construction time. 【Features】 ■ Significant reduction in construction time ■ High physical properties and durability ■ Versatility ■ Consistent in-house construction *For more details, please refer to the PDF materials or feel free to contact us.

• Waterproofing work
• Hard urethane foam
• Coating film waterproofing material/permeable waterproofing material

The "DP-SW Method" is a groundbreaking technique that allows for water stoppage in deck slabs, which were previously considered impossible to seal. It utilizes a combination of ultra-strong neodymium magnets and high-pressure injection plugs, approaching the water leakage from the outlet. Water leakage that reaches the deck plate through cracks in the concrete of the deck plate floor is not only difficult to identify the leakage path but can also cause the deck plate to shift sideways, leak from various points, spread rust, and cause the concrete to swell, leading to further leakage. In large commercial facilities and buildings, extensive investigations and construction can be challenging due to structural constraints. Our company addresses issues related to water leakage, especially when full waterproofing is not feasible due to time and cost constraints. 【Features】 ■ Uses GSC's uniquely developed magnetic high-pressure plugs ■ Fixed in place using magnets at leakage points such as ceilings for work ■ Minimizes the construction area by approaching from the leakage outlet ■ No need for extensive investigations; partial water stoppage work reduces construction time and costs ■ Reduces stress on the building compared to conventional methods, extending the building's lifespan *For more details, please refer to the PDF document or feel free to contact us.

• Renovation and repair methods
• Special Construction Method
• Waterproofing work

We would like to introduce GSC Corporation's "Search by Location." "Leakage Cause Investigation" involves investigating the causes of currently occurring leaks and inspecting areas at risk of leakage. Experienced investigators conduct the investigation and diagnosis, quickly preparing reports and providing accurate construction proposals. Buildings are one of the most significant assets for our customers. Renovation work is essential to maintain these buildings for a longer period. We propose specifications and construction methods tailored to the building's structure and the customer's budget and requirements. [Features] ■ Investigation of the causes of currently occurring leaks and inspection of areas at risk of leakage ■ In addition to visual inspections, we respond using infrared cameras and ultraviolet reaction diagnostics as needed ■ Experienced investigators conduct investigations and diagnoses, preparing reports ■ Quick response to provide accurate construction proposals *For more details, please refer to the PDF materials or feel free to contact us.

• Structural Survey

We would like to introduce GSC Corporation's "Floor Coating Work." Floor coating is a special paint with high functionality, such as durability, abrasion resistance, and impact resistance. It is significantly different from regular painting, and we carefully select and install flooring materials that perform well under harsh usage conditions, such as in kitchens and factories. Please feel free to consult with us. 【Features】 ■ Floor coating is a special paint with high functionality, such as durability, abrasion resistance, and impact resistance. ■ We carefully select and install flooring materials that perform well under harsh usage conditions. *For more details, please refer to the PDF document or feel free to contact us.

• paint
• Plastering and painting work

We would like to introduce GSC Corporation's "Exterior Wall Renovation." We offer various types of sealing work to prevent leaks, as well as "various painting and heat insulation works" and "plastering work" using materials suitable for the property, enabling a wide range of exterior wall renovations. As a certified contractor of this method, we provide a third-party liability insurance system that covers damages up to 200 million yen (with a deductible of 200,000 yen) for a period of 10 years after the completion of the work. We promise safety and security to our clients. 【Overview】 ■ Various sealing works ■ Various painting and heat insulation works ■ Plastering works ■ Various injection works (low pressure, high pressure) and tile works ■ Various waterproof coatings for exterior walls ■ Carbon pin net method *For more details, please refer to the PDF materials or feel free to contact us.

• Waterproofing work
• Plastering and painting work
• Heat insulation and heat shielding methods

The "Parking Lot Waterproofing" is a robust waterproof layer that is applied to the driving floors of multi-story parking lots and other areas to prevent water from entering indoors or to lower levels over the long term. It has overwhelming abrasion resistance and allows for the integrated execution of substrate preparation work, such as the removal of existing waterproofing, along with the parking lot waterproofing work by our company. This enables us to provide high-quality parking lot waterproofing. One of the significant advantages of ultra-fast curing urethane is that it can significantly reduce work time compared to traditional hand application methods. It becomes touchable approximately 10 seconds after spraying and walkable in about 15 minutes. Practical strength can be achieved in about 30 minutes, which greatly shortens the construction period. Therefore, it is particularly suitable for renovations and renewals in places where traffic restrictions are necessary, such as corridors of apartment buildings, open corridors, stairs, and stairwells, as it significantly reduces traffic restrictions for residents. 【Features】 ■ Robust waterproof layer ■ Significant reduction in traffic restrictions *For more details, please refer to the PDF materials or feel free to contact us.

• Waterproofing work

We have the knowledge and experience to select suitable materials based on high technology, the condition of the building, and the environment, which allows us to provide guarantees even for partial repairs, even on rooftops filled with equipment that could not undergo waterproof renovations. Additionally, we can perform general painting on half-roofs, corrugated roofs, and straight roofs, as well as apply coatings that efficiently reflect near-infrared rays from the sun, reducing the heat impact on the building. We can also install heat-insulating coatings, such as spherical fine ceramics, which can prevent indoor temperature rises and mitigate the heat island effect caused by radiant heat and artificial heat emissions. 【Features】 ■ Guarantees are possible for partial repairs due to our applicable knowledge and experience. ■ Heat-insulating coatings, such as spherical fine ceramics, can also be applied. ■ We have a smooth system for quick responses from estimation to construction management. *For more details, please refer to the PDF materials or feel free to contact us.

• Waterproofing work
• Roof and gutter construction

"Super Fast-Curing Urethane Polyurea" is a material (base agent and curing agent) that cures quickly and is applied by mixing at the tip of a spray gun. Conventional urethane waterproofing materials take about 10 hours to cure (at 20°C), leading to longer construction periods and issues such as restrictions on foot traffic during application. This product solves these problems by utilizing various features such as quality control during application with specialized machinery and ultra-fast curing. 【Features】 ■Significant reduction in construction time ■Easy quality control during application, resulting in high work efficiency with machine application ■Excellent durability and wear resistance ■Wide range of application uses *For more details, please refer to the related link page or feel free to contact us.

• Waterproofing work

"Special Water Stop Waterproofing" allows for water stop treatment inside the infiltration routes of leaks from either the outside or inside, depending on the environment, such as cracks in ceilings, rooftops, and walls. It can be applied even in wet conditions, such as in underground pits, dams, water storage, and fire water tanks where spring water occurs. In cases where leaks from kitchens or water pools become a major issue for the lower floors or surrounding areas, waterproofing can be performed with minimal risk and without incurring large costs, while avoiding the risk of having to stop store operations, depending on the conditions. 【Features】 ■ Can be applied in wet conditions ■ Water stop treatment can be performed inside the infiltration routes of leaks from either the outside or inside ■ Can be applied even in wet conditions where spring water occurs ■ Waterproofing can be performed while avoiding the risk of stopping store operations ■ Provides waterproofing that maintains water stop for three years, rather than just a momentary stop *For more details, please refer to the related link page or feel free to contact us.

• Waterproof sheet
• Waterproofing work