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Subfloor

Subfloor

A subfloor is the first layer of plywood or planks laid over floor joists or concrete, providing a stable base for finished flooring and ensuring structural integrity.

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Definition

A subfloor is the first layer of plywood or planks laid over the floor joists or concrete substrate.

Purpose

The purpose of a subfloor is to provide a stable, level base for the finished flooring, ensuring structural integrity and a smooth surface for installation.

Examples of Use

  • Residential homes use subfloors as the base for carpeting, hardwood, or tile flooring.
  • Commercial buildings employ subfloors to support various types of floor coverings, such as vinyl or laminate.
  • Renovation projects often involve replacing or repairing subfloors to improve stability and prepare for new flooring.

Related Terms

  • Joist: A horizontal structural member that supports the subfloor.
  • Underlayment: A layer of material placed over the subfloor to smooth out imperfections and provide a better surface for the finished floor.
  • Finish Floor: The top layer of flooring material that is visible and walked on.

Notes

Subfloors are essential for providing the necessary support and stability for finished flooring, ensuring a long-lasting and durable floor system.

Related Terms