Three investigations to understand the current situation: [Floor tilt, hollow space under the floor, machine vibrations]
Investigation of voids under the floor, settlement (level) survey, vibration survey.
Tilt and unevenness of the floor due to ground subsidence, and machine vibrations caused by hollowing. It is recommended to conduct an investigation to accurately understand the current situation.
Cracks and unevenness in the floor, tilting and sagging of the floor, and vibrations from machinery. Have you been neglecting these issues even though you are aware of them? Before they affect your operations, Mainmark visualizes hidden floor problems through three investigations. ■ Three Investigations to Visualize Floor Issues 【Void Measurement Survey】 We drill several holes of about 10 mm in the concrete floor and use an endoscope to measure the thickness of the concrete floor and the volume of voids beneath it. In addition to understanding the current situation, we perform measurements necessary for construction planning, such as calculating the amount of resin to be used. 【Level (Settlement) Survey】 Using surveying equipment, we measure the height of the concrete floor and quantify the amount of settlement and sagging. The measured values are used to set target values for corrections and to create construction plans. 【Vibration Survey】 We install high-sensitivity vibration sensors on the floor in areas of concern and measure minute vibrations. This allows us to predict the vibration reduction effects of void filling and understand the vibration reduction effects after construction. If the survey results show no issues with voids or settlement, you can continue to use the floor with peace of mind. If any problems are found, we will provide suggestions for improvements. We recommend starting with a survey to understand the current situation. Toll-Free Number: 0120-873-835
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basic information
■Support After Investigation If any hazards are found on the floor, experts in architecture and civil engineering, including first-class architects, will select the most suitable construction method from various options and provide improvement proposals. If no issues are found, you can continue to use the space with peace of mind. We also offer regular inspections, so please feel free to consult us. 【TerraTech Method】 This patented method involves drilling small injection holes of 6mm in diameter and injecting a hard polyurethane resin called "TerraTech" under the floor. The expansion force of the resin fills any voids beneath the floor and levels any sunken areas. There is no need to dismantle or remove the floor, and machinery or equipment does not need to be moved, allowing construction to proceed without interrupting your business operations. By filling the voids, vibration suppression effects can also be expected. *Please note that depending on the structure of the floor and the condition of the sinking, construction may be done using 16mm holes. Please feel free to contact us. Toll-free number: 0120-873-835
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It may vary depending on the situation at the site. Please feel free to contact us.
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※It may vary depending on the situation at the site. Please feel free to contact us.
Applications/Examples of results
We handle various properties such as factories, warehouses, stores, offices, and apartments. We provide nationwide services from seven locations: Hokkaido, Sendai, Niigata, Tokyo, Nagoya, Osaka, and Fukuoka. Our total construction record is 4,200 cases. Please feel free to contact us regarding vibration suppression of machinery without damaging the floor, as well as correcting floor slopes and unevenness. Toll-free number: 0120-873-835
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![[Inclination/Subsidence/Step Difference/Cavity Filling] "TerraTech Method" Correction of subsidence in concrete floor slabs due to ground subsidence or disasters.](https://image.mono.ipros.com/public/catalog/image/01/494/209281/IPROS62099550671294161372.png?w=120&h=170)
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The main business activities of Mainmark involve "returning tilted floors and buildings to a level state" and "preventing existing floors and buildings from tilting." We primarily offer the "TerraTech Method," which allows us to level tilted floors without stopping operations, and we provide various construction proposals tailored to our customers' concerns, from investigation to execution. ■ Nationwide responsible construction with over 5,000 completed projects Mainmark has established offices in eight locations across the country and conducts responsible construction nationwide. We serve a wide range of clients, including factories, stores, warehouses, offices, and apartments. ■ Non-disruptive floor tilt and subsidence correction method "TerraTech Method" Our main service, the "TerraTech Method," is a patented technique that injects TerraTech resin (rigid polyurethane foam resin) into concrete floors that have developed tilts, subsidence, steps, or voids due to ground subsidence or earthquakes. The expansion force of the resin levels the sunken floor and fills the voids beneath it. This technology is also registered with the Ministry of Land, Infrastructure, Transport and Tourism's "NETIS," ensuring its reliability. Patent No. 4896949 "Method for Correcting Sunken Floors" NETIS Registration No. "QS-080007"