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Maxxon Corp.: Considerations for Projects with a Deep Fill Application


Converting old buildings into multifamily housing, offices, or retail stores has brought about a unique set of flooring considerations, including levelness, covering damaged floors or floor goods, or floor height concerns. Addressing a floor height issue on suspended floors with weight limitations and where the floor needs to be brought up to a specific level may require a deep fill solution. When dealing with a deep fill application, several items should be considered to determine the right solution for the application:

  • Maximum Allowable Weight of the Underlayment System – the finished floor height will dictate what deep fill products are viable based on the maximum weight allowed for the underlayment system.
  • End Use of the Space and Finished Floor Goods – the end use of the renovated space may require that a minimum density and compressive strength is met, therefore eliminating some deep fill products as an option. For example EPS foam must meet ASTM C578 – “Standard Specification for Rigid Polystyrene Thermal Insulation” in order to be topped with an underlayment.
  • Existing Floor Protrusions and Penetrations – EPS slab foam cannot bridge over existing wires, conduit, floor penetrations or protrusions. This is where a low density, pumpable fill is ideal.
  • Undulations in the Old Floor – if using EPS slab foam as deep fill, the floor must be pre-poured to remove all undulations so that the foam lays flat with no voids below it. A flowable, low density fill is a perfect solution as it saves significant time.
  • Availability of the Deep Fill Product – depending on the project location, some pumpable deep fill products may not be readily available. This could drive up project cost and lead time.

About Maxxon Corp.

Maxxon®, The Floor Specialists, is recognized as the pioneer and leader in floor technologies. From a full spectrum of floor underlayments to the ultimate sound deadening systems, Maxxon offers proven solutions for a world of floor challenges.

From the original Gyp-Crete® Floor Underlayment, the Maxxon line has expanded to include five gypsum floor underlayments, nine sound control mats, four cementitious self-leveling underlayments, and several other specialty products including two surface applied moisture vapor barriers (Maxxon DPM and Maxxon MVP).

Ideal for renovation, commercial, multifamily, single family, and self-leveling applications, Maxxon can solve any floor challenge, including problem floors in high-rise buildings. Maxxon Underlayments can be installed in wood frame or concrete construction, or over corrugated steel deck in steel frame construction.

Maxxon’s gypsum underlayments and sound control mats are made with recycled content and always considered ‘green’ building materials. In today’s building market, architects, designers, and building owners alike want solutions that offer superior performance and make environmental sense. Maxxon products offer the complete package with fast installation, proven performance, and also may help contribute points toward LEED® project certification.

Maxxon Underlayments and Acousti-Mat sound control mats are GREENGUARD Certified® and GREENGUARD Gold (formerly Children & SchoolsSM) Certified…the most stringent product emission criteria in the market. Covered with a GREENGUARD Certified Maxxon Underlayment, the Acousti-Mat systems are the ultimate in green-friendly sound control solutions.

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