Sunroom – foundation fiddling

So we’re leaving the mudroom for awhile – more to do in there, but making cabinet doors is far down on the list right now.

 So lets take up that pesky foundation problem we were having earlier this summer.

The sunroom foundation is about 16′ X 20′ – here the footers for the block work are in place. The footers have to be below the frost line. That will vary by region. Make sure it’s to your local code. Since everything I do is with city permits, everything is inspected along the way. Rebar is used to reinforce the concrete. You can see the deep footers by the brick foundation to stabilize the corner of the existing house.

In this view you can see the jacks holding up the front of the house. They are sitting on a thin cap of concrete over dirt. This is pretty common in old houses around here – the thin concrete, not the jacks.

A view of the basement by the corner of the new poured footer wall. This is the location of the opening that will access the crawl space under the sunroom floor. The temporary support wall is in place to take pressure off of the foundation sills. I’ll be doing a major floor renovation, so all the joists in this area will be replaced.

Here’s Shawn Thomas breaking out the crawl space opening. The new concrete you see is the footer wall that extends down to the basement footer.

Here you can see the crawl space opening and to the left, you can see the jacks holding up the front of the house.

The footers are poured and ready for blockwork. To the upper right you can see the footers for the front steps as well.

Forms and supports for the poured wall. Originally, this was supposed to be a block wall, but due to how irregular the brick surface was, it was determined a poured wall would be much stronger.

Rebar was added and tied to the footer rebar to add some additional strength.

Supports were also needed in the basement. Since several yards of concrete will be poured in the forms, there will be a lot of weight pushing on the interior brick walls. This should do the trick.

This is the opening for the crawl space. Since there will be concrete poured around this opening, it needed to be formed and braced as well.

Here Shawn and Jason are pouring into the forms.

And here you have the finished pour. This is really overkill – you can see the walls are 12″ to 18″ thick. There won’t be any problems ever again with this part of the house. Was it worth the extra effort and money to do it this way?

Knowing I did it the right way is worth it to me – and the next owner will have a nice stable house to enjoy as well.

Much more to come – stop in and keep me company.


8 thoughts on “Sunroom – foundation fiddling

  1. I *did* notice the jacks holding up the house, before you even pointed it out. Actually *seeing* the seemingly insufficient ways our houses are held together always freaks me out.

    I am, as always, awed by the scope of your project, and the swift and organized way you get it done! No hemming and hawing for you!! And that wall will withstand a nuclear blast!!

    • Ha, ha VE – I figured you would notice a little thing like a levitating house. It only looks swift and decisive because you can’t hold a house up with bottle jacks forever 🙂 I get tired of doing and redoing stuff around here – sometimes I’ll rush through a project and then feel guilty or think of a better way – and then out goes the old-new. But we’ll get it done – hopefully in my lifetime. 🙂

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