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-   -   Rock and mortar stone foundation/basement question (http://www.diychatroom.com/f105/rock-mortar-stone-foundation-basement-question-136887/)

J187 03-13-2012 09:46 AM

Rock and mortar stone foundation/basement question
 
My friend has a home built in the late 1800s, in the North East. There are some spots with daylight showing. The house was inspected this way when they bought it and they were told it is structurely ok. They are mostly interested in patching these spots so that bugs, rodents, and cold air do not come through too much. Some of the holes are large enough that mice can squeeze through and this may actually be happening. WHat's the best way to seal this up?

this is not theirs, but is very similar.

http://www.basementsystems.ca/images...t-floor-lg.jpg

Daniel Holzman 03-13-2012 09:58 AM

Assuming the house is structurally sound as you state, it should be a relatively simple matter to patch any holes using mortar. If your friends are unfamilar with the process of placing mortar, they can hire a mason to do so, or you can purchase a book on construction of stone walls, which will discuss in detail how to mix, place and finish mortar.

J187 03-13-2012 02:47 PM

Quote:

Originally Posted by Daniel Holzman (Post 876612)
Assuming the house is structurally sound as you state, it should be a relatively simple matter to patch any holes using mortar. If your friends are unfamilar with the process of placing mortar, they can hire a mason to do so, or you can purchase a book on construction of stone walls, which will discuss in detail how to mix, place and finish mortar.

I figured Mortar was an option, but wasn't sure if expanding foam or something else might be better/easier/more efficient... that said, if mortar is the way to go, it shouldn't be a problem at all.

stadry 03-14-2012 12:28 AM

foam has its place but not in a stone foundation wall imo

J187 03-16-2012 07:52 AM

Quote:

Originally Posted by itsreallyconc (Post 877166)
foam has its place but not in a stone foundation wall imo

Thanks for the help. Seems like a pretty quick and easy project.

ratherbefishing 03-16-2012 11:24 PM

Am I seeing that picture wrong, or is that a rectangular hole for a foundation vent? A few bucks at the local you know where.

joecaption 03-16-2012 11:44 PM

Remove any loose morter first.
Mix up some morter and dump it into a mason bag. It looks like a heavy duty pastery bag. Lowes and HD both have them. Now you will not have it all over the place.
Make sure to clean off any access morter with a wet sponge before it drys.

J187 03-21-2012 10:58 AM

Quote:

Originally Posted by ratherbefishing (Post 879270)
Am I seeing that picture wrong, or is that a rectangular hole for a foundation vent? A few bucks at the local you know where.

You certainly are seeing the picture right, but I think perhaps missed that I said the picture above was not the basement in question, rather a similar type of foundation. Thanks though, I do appreciate the suggestion.


Quote:

Originally Posted by joecaption (Post 879283)
Remove any loose morter first.
Mix up some morter and dump it into a mason bag. It looks like a heavy duty pastery bag. Lowes and HD both have them. Now you will not have it all over the place.
Make sure to clean off any access morter with a wet sponge before it drys.

Thank you! WIll do.


Also, i'm curious to know what the reasoning is behind avoiding the expanding foam solution.

Tscarborough 03-21-2012 11:13 AM

You should also avoid using portland cement mortar. Do a search on here for "lime mortar".


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