Subfloor Construction Details

During this video we will identify key installation practices th.

Subfloor construction details. Although cold formed steel framing for floor systems also is permitted by the irc it is not covered here. In cases where latex subfloor glue is required careful selection is necessary due to the wide range of performance between brands. All subfloor framing was separated from the concrete or concrete blocks depending on the foundation wall construction by a bitumen impregnated fabric damp proof course dpc to protect the timber from moisture. Subfloor construction floors may be built on beams or joists 1 or use structures like prefabricated hollow core slabs.

Good subfloor construction depends on material selection and attention to critical details. Draw up a basic floor framing plan. Subflooring provides a base for finish flooring and also serves as a platform during construction. This process takes 4 5 days.

Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases. 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. 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. Timber used for subfloor framing was commonly wet or green.

Use a solvent based glue that meets astm d3498 performance standards. So the subfloor and maple are installed. In basements and in homes with slab on grade foundations the subfloor may simply be a concrete slab. It may be made of boards laid either at right angles or diagonally across joists.

A glue nailed construction technique is optimal for ensuring a flat stable floor. On wood frame floors the subflooring provides a continuous structural surface over the floor joists. Or the subfloor may be made of plywood or other panel products that are laid perpendicular to the joists. Now we get on our giant ride on sander and sand that wood.

69 chapter 4 floor construction woodframe floor systems and concrete slab on grade floors are discussed in this chapter. 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. Extremely long spans staircases or interior walls typically require additional support which can complicate your framing. This is a messy dusty process.

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.