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Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726
Phone: (608) 231-9200
Fax: (608) 231-9592
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Wood Floor Systems in Residential Construction Series

Introduction - This video series identifies construction techniques that minimize wood subfloor construction issues and highlights installation tips that can improve the quality of the floor covering. Construction practices will vary by region of the country and local building code requirements. These videos were produced in Northern Virginia and Maryland. They demonstrate installation practices that comply with the APA Engineered Wood Construction Guide and various product manufacturing associations. Although these construction practices are generally applicable throughout the country, they may not be suitable for your project. You must follow specific building code requirements within your area.

Video 1: Wood Floor System Overview - Wood floor systems include wood framing, subfloor panels, and various floor covering types - such as carpeting, hardwood, resilient, and tile. During the design phase, framing materials will be specified based on the building code, floor covering types, and manufacturer's installation instructions. The floor design drawings and specifications are referenced throughout the construction process to ensure a good installation.   view

Video 2: Minimizing Subfloor Construction Issues - Good subfloor construction depends on material selection and attention to critical details. During this video, we will identify key installation practices that minimize subfloor construction issues and complaints.   view

Video 3: Floor Covering Installation Tips - There are many floor coverings to choose from and virtually all can be installed on wood subfloors. It is important to follow the manufacturer's instructions when installing any floor covering product. During this video, we will identify key installation tips that minimize issues and complaints based on industry standards.   view

Quality Hot Spots

Video 4: Preventing Floor Noises: Subfloor Fasteners - A common source of floor noise is poorly installed fasteners. "Shiners" are nails or screws that miss the joist when installing the subfloor panel to the floor joist, which may result in a loose panel and noise. Even when adhesive is applied correctly, adhesive alone will not be enough to secure the subfloor to the joist - the mechanical fasteners provide the holding strength for the installation.   view

Video 5: Preventing Floor Noises: Ductwork - Another common source of floor noise is poorly installed ductwork in the floor joist. The noise occurs because there is no clearance between the ductwork and the routed opening in the floor joist. When there is contact between the two surfaces, noise can be created. To avoid this issue...   view