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#Prison system these halfway houses to fill the gap between how to
#Prison system these halfway houses to fill the gap between windows

Former 'mortar' - the fiber glass wasn't enough OR the builder wanted to ensure that 'fiber glass layer' will not be destroyed/frayed/.

Former 'insulation' - most likely, the guy that was making this foundation wall did not his job well, so the top of it wasn't properely levelled the sill plate is vertical so the gaps emerged to seal these gaps fiber glass (mineral wool - name of similiar material name in place where I live) was used.

after a week take off the shuttering, make some finishing (if needed) and continue with Your work (if You plan anything more)Īdditionally, here are some short answers to other questions.

lay the self-levelling concrete, be sure that the concrete fills all the space.

wrap bottom side of sill plate with some kind of continuous foil (water/moisture insulation).

use simple planks to make shuttering/formwork (top level of future concrete will be like 1-3mm above the bottom of foil under the sill plate).

empty all gaps (all 'insulation' and mortar must be taken out), clear the foundation and sill plate surfaces from mortar particles and remnants of the insulation).

It's most often used to level the floor before putting anything else (if the floor base is concrete and not level or the surface is not 'mild' enough to place a carpet or something.

#Prison system these halfway houses to fill the gap between how to

What is the yellow insulation that is underneath the sill plate called? Why is the gap so tall? I would expect the sill plate to be basically right on top of the foundation wall with only a tiny gap.Īnd what is the purpose of the mortar along the top of the wall in the first place? Is it basically an attempt to stop air infiltration?Įdit: as follow-up to a comment I made, here's a picture of an anchor bolt in the sill plate.Īs an answer to a question: how to fill that gap between sill plate and foundation wall?, I would advise to use self-levelling concrete (or whatever You call it). Seems weird to me.though I have never done this type of work. You can see the head of another nail in the mortar in the image above. What the heck is the purpose of the nail that is sticking into the sill plate? It was buried in the mortar that I removed. You can see that the mortar on the right side of the photo has not separated from the top of the foundation wall. That's my main question, but here are another couple of questions if you have interest or time.īelow is a stretch of wall where I removed the mortar that had separated from the top of the wall. Is there a better option you'd recommend? However, since it's maybe 1/2 an inch, would it be better to shove a narrow strip of wood into the insulation to give the caulk something to adhere to? Or I could cut a narrow strip of wood (say, 1" by 1/4") and staple that to the front of the sill plate in a fashion that covers up the insulation gap and then caulk along where that strip meets the foundation wall and also where it meets the sill plate. If the gap between the sill plate and the wall was a little smaller, I could just run caulk in it. However, where it has separated, I need a better solution. In the places where the mortar has not separated from the wall, it's easy enough to just run caulk along between the mortar and the sill plate. As part of the job I am trying to seal the gap between the sill plate and the foundation wall. I'm using rigid foam board instead of spray foam, and I'm using caulk instead of Great Stuff / expanding spray foam. I am in the process of insulating the rim joists.

#Prison system these halfway houses to fill the gap between windows

An eighth to as much as a quarter of an inch, except above windows where it's more like 1/2")

However, there are places along this wall where the mortar has indeed separated by a fraction of an inch from the poured foundation wall. (Edit: the picture happens to be in a location directly above a basement window, and the mortar has separated from the frame above the window. In this photo it has separated from the top of the wall. Attached to the sill plate is some mortar. For orientation to the photo: the white in the lower left corner is the vertical face of the wall. The foundation is poured and from early 1970s.

Here is a picture of the top of my uninsulated basement wall.