Interior, you now have to paint/treat it to match if you want a uniform look.Īll in all I think these are an excellent idea, primarily used to prevent water from getting into the wood wall. If you insulate, you now have to insulate the block/stem wallĥ. a bit tougher to get utilities into the wall as they have to be located exactly in the middle of the wallĤ. It's a bit tougher, as far as banging brooms/mops/casters into it compared to drywall.ģ. By having a stem wall, you get a little boost in wall height.Ģ. If either is the case, or you expect them to be the case, having this extension (or a row of block) would be advisable.ġ. If you have a flat slab or a poorly made slab, then water could hang out at the perimeter. If you have a good slope inside then water will run away from the wall. Second would be water from the inside of the garage migrating into the wall. If the siding extends down, or there is another membrane (insulation, aluminium, other) that bridges between the siding and slab, all the better. If you have a wall that has poor exterior covering where the bottom plate of the wall is, it'd be possible for water to migrate in. Keep in mind any snow melt water if you live in a snowy area.Īlso, a factor would be how well the ouside is covered. If you have good top of concrete elevation, then water migration in from the outside isn't an issue. This is definitely a "Nice To Have" in most cases.įirst thing, I'd make sure the top of concrete is WELL above local grade. Quality construction starts with a solid and consistent foundation.As mentioned, In my opinion, this extension is to provide elevation for wood walls so their not sitting directly on the slab exposed to moisture. When dealing with varying lot conditions Stem-Walls are a much more consistent method of foundation construction. This process takes a bit longer than the Monolithic Slab, but a more stable foundation will prevent other issues down the road that could arise with trusses or wall construction. This type of foundation is much more stable when fill dirt is required achieve the final build elevation. Stem-Wall slabs are constructed in a multi-part process where a footer is poured at virgin ground level, then blocks are laid forming a wall up to the finished slab elevation. This cracking can cause structural issues which affect other aspects of the house further down the building process like drywall and flooring if the framed walls aren’t stable.įor these reasons, most lot builders in Florida (including us) prefer stem-wall foundations. In this situation, Monoslabs tend to crack around the perimeter walls and other major load bearing areas. This is a problem for homes that need to be built up to rise above a flood plain provided by your engineer (as most lot builds in Florida must). They can not be used when a lot of fill dirt is required because the concrete is more likely to crack if the ground isn’t compacted well enough. There are some major issues that can arise if lot conditions are not conducive to a Monolithic Slab. In this case, if all finished floor elevations are the same from lot to lot and there is very little slope, Monoslabs may be the best choice. In most sub division community builds, the ground is level throughout the entire property and more densely compacted with very little fill dirt required. When used under the right conditions, Monoslabs can be just as sound as Stem-Wall slabs. Because this Slab is poured all at once, it is much faster and keeps labor costs low. Monolithic means “all in one pour” so the foundation is constructed in one single pour that is made up of a concrete slab with thicker areas under load bearing walls and all perimeter edges to take the place of footers. In this article we will explore the differences and benefits between the two types of foundations. Both carry specific benefits and challenges during construction and it is important to know these before breaking ground during a new home building project. There are two types of foundations predominantly used during the construction of a new home Stem-Walls and Monolithic slabs.
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