Constructing Second Plywood Floors

Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases.

Constructing second plywood floors.

Extremely long spans staircases or interior walls typically require additional support which can complicate your framing. Some newer homes have manufactured i beam shaped joists. Whether you re installing a hardwood floor on the first or second floor of a building you need a solid subfloor that won t sag and that will hold nails. A floor s framework is made up mostly of wooden joists that run parallel to one another at regular intervals.

Plywood is a necessity in many diy and construction projects but not every type of plywood works for every project. The many types of plywood can differ in materials number of layers rating and grade. The osb or plywood must be staggered like stacking bricks to give it strength. The final step in building a floor for a house is to sheet it with osb.

Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor. Typically the second story floor joists will not only run the same direction as the first floor joists they will also be directly over them. Framers construct the second story floor system to match the layout of the main floor system. As construction gets higher builders must.

This guide will explain the different uses of plywood as well as popular plywood sheet sizes and its rating and grade system so that you can choose the best plywood for your project. Floor joists are typically 2 by 8s 2 by 10s or 2 by 12s. Proper subflooring for wood on second floor. Second floor construction techniques follow a standard process.