Subfloor Construction Details

The subfloor is the foundation beneath finish flooring materials.

Subfloor construction details.

We will sand the floor 3 times once with coarse sand paper once with medium sand paper and once with fine sandpaper until it is smooth and even. A glue nailed construction technique is optimal for ensuring a flat stable floor. Timber used for subfloor framing was commonly wet or green. So the subfloor and maple are installed.

Now we get on our giant ride on sander and sand that wood. Good subfloor construction depends on material selection and attention to critical details. Subfloor construction floors may be built on beams or joists 1 or use structures like prefabricated hollow core slabs. Although cold formed steel framing for floor systems also is permitted by the irc it is not covered here.

This process takes 4 5 days. These subfloors do not have the solidness of a concrete slab but offer a wide variety of potential floor covering. Rather the reader is referred to the aisi standard for cold formed steel framing prescriptive method for one and two family dwellings aisi 2001 for guidance. Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases.

In cases where latex subfloor glue is required careful selection is necessary due to the wide range of performance between brands. This is a messy dusty process. 69 chapter 4 floor construction woodframe floor systems and concrete slab on grade floors are discussed in this chapter. Subflooring provides a base for finish flooring and also serves as a platform during construction.

During this video we will identify key installation practices th. Or the subfloor may be made of plywood or other panel products that are laid perpendicular to the joists. It may be made of boards laid either at right angles or diagonally across joists. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab.

On wood frame floors the subflooring provides a continuous structural surface over the floor joists. Draw up a basic floor framing plan. Like other framing components beam and joist floor frames are often pre constructed transported to the site and attached to stumps or less commonly to a slab foundation although they can be constructed on the site as well. The subfloor builds on those and attaches by various means particular to the support structure but the support and subfloor together always provides the strength of a floor one can sense underfoot.

Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor.