Floor Framing Section Slab

Typical framing details included in this handout are the following typical cross sec tion views.

Floor framing section slab.

The mesh reinforcement in the slab is placed in the top with 1 covers. The floor starts with a sill plate made of pressure treated lumber in direct contact with the bricks of the crawl space wall. Draw up a basic floor framing plan. All framing sections should include enlarged views that detail roof and floor connections as well as lumber and footing sizes.

Figure 4 illustrates a typical framing section with. Extremely long spans staircases or interior walls typically require additional support which can complicate your framing. Typical framing sections included in this bulletin are the following typical cross section views. Floor framing over slab if it s ventilated and will stay dry it should be okay although we have had inspectors want it to be 18 even though it is not to bare earth.

This prevents water from leaking under the bottom of the wall to the inside of the building. Figure 3 illustrates a framing section slab. The reinforced concrete floor slab is kept free of the perimeter walls. Raised floors are more resilient under foot and provide access for heating equipment insulation plumbing wiring and other mechanical.

For high performance homes a well insulated concrete slab is usually the most cost effective approach for the first floor but the hillside site for the fhb house precluded that option. Consider a wood shed floor treated lumber joists and plywood. Roof floor framing ii. An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab.

The suspended reinforced concrete slab is tied into the external capping beam. In the event a professional is hired to finish concrete most often costs can be reduced by paying the local pre mix company direct for the concrete. An illustrated look at how a typical wood frame floor is built including sublooring and more. Figure 2 illustrates a framing section with slab floor roof rafters and ceiling joists.

Your sketch should depict the floor s basic shape and layout complete with any additional features like alcoves nooks and staircases. Though some floors are built on a concrete slab flat on the ground most floors are raised above the ground. One interesting thing to note is that this house literally sits. If it s totally sealed off and will not be ventilated it s another situation.

Figure 2 illustrates a framing section slab floor with ceiling joist. They start by building the floor unless the house uses a slab foundation in which case the slab is the floor the floor framing looks like this. In other terms after the floor is poured when standing inside building approximately 3 3 4 of the skirt board will be visible above the top of the slab. Figure 3 illustrates a framing section with slab floor and vaulted ceiling.

Wooden i joists provide a good balance of strength cost and ease of installation and they are what we are using for the floor joists on the fhb house with. Exterior wall on slab must be out on the edge. Before you begin cutting or measuring grab a pencil and paper and sketch an outline of your floor.