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Advanced Technology Construction is a diversified construction company specializing in the design, development and installation of access floor (raised floor systems). With worldwide installation experience, we can boldly claim to be one of the most experienced access floor contractors in the United States. Our projects have ranged from high rise courthouse to modern libraries, small to large data centers, computer rooms, control towers, military training centers, financial institutions, office buildings, casinos and just about any other commercial application requiring raised floor systems.

Access Floor Definition Access floor, also called raised floor, is a type of flooring used in buildings with a high requirement for under-floor servicing, cabling, wiring, electrical supply, HVAC and chilled water pipes. Additional structural support and lighting are often provided under the floor when it is raised high enough for a person to crawl or walk beneath.

This type of flooring consists of a metal grid framework (stringers) and an understructure of adjustable-height legs (pedestals) that provide support for individual floor panels. The panels are usually 24 x 24 inch or 600 x 600 mm in size. The height of the legs is dictated by the volume of cables and other services provided beneath the floor. Typically they are arranged for a clearance of at least 6 inches or 15 cm.

The panels are normally made of a steel shell fabricated with a cementitious internal core. There are a variety of flooring finishes such as carpets, high-pressure laminates, wood, and anti-static finishes for use in computer rooms and laboratories. To remove panels, a tool with a suction cup on the end called a “floor puller,” “tile lifter” or “suction lifter” is used. A hook-and-loop lifter may be used on carpeted panels.