Raised Floor With Stem Wall Poured To Top Of Joist

The outside edge of the floor frame is called the rim joist.

Raised floor with stem wall poured to top of joist. A stem wall foundation is poured in multiple parts. Okay here is a fairly common detail where a concrete porch is near level with the main floor and the concrete stem wall is poured up high while the floor joists are sunken down by notching a portion of the top of the foundation wall as shown. For example you could install a 2 by 6 inch treated sill plate on a stem wall that is 8 inches wide. Most codes stipulate that the stem walls can be a minimum of 8 inches thick though a whole foot is customary especially for larger multistory houses.

The footing is attached to the stem wall which generally meets a vapor retarder at grade then extends at least 18 inches above ground to be topped with a termite shield sill plate treated band joist and floor joists. With your stem walls in place simply add your floor system to the top of the wall. What are the pros cons of doing it one way or the other when it comes to installing exterior foam on the above grade walls installing interior foam on the. I think there are two ways to do this.

The bottom of the footing below a stem wall is placed below the frost line. The floor joist system. The minimum normally between the ground and the joists supporting the floor is 18 inches. In order to minimize the distance from finished floor to grade the top of thetji floor joists will be even with the top of the sill plate.

The other option would be a sheet meteal counter flashing on top of the foundation under the floor joists to keep the joists from contacting the wood. Instead i was expecting to see the floor joists sitting on top of the foundation wall. The foundation is built up in piers from the top of the poured wall with blocks. Be sure to account for the dead weight of the bale walls when calculating your floor joist size and spacing and when considering how many interior beams or girders will be required to split the load across the span of the house.

Medical complex with a block foundation stem wall pressure treated mud sill and hung tji floor joists 16 o c. I built a 7 000 sq. I wasn t expecting this. Flush with the top of the mud sill with simpson hangers.

1 pour a 8 thick stem wall and hang the tji s from the sill plate or 2 pour a 12 stem wall formed with a 6 wide. A standard sill plate is not as wide as the top of the stem wall.