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Posted by Kate on October 10, 2007, 1:23 am
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RicodJour wrote:
>
>
>>I hope I am explaining this properly.
>>
>>My front door has a metal plate installed underneath the door, that is
>>mounted to the floor. I call it the threshold, and I hope that is the
>>proper term for it. Anyway, last year I mixed some powdered concrete
>>mix, and pushed it in underneath the threshold.
>>
>>
>
>What were you trying to accomplish? Was the old one loose,
>flexing...?
>
>
>
>>Now the cement is cracking, and I removed it in hopes of putting
>>something else besides concrete underneath the threshold plate. This is
>>the plate everyone walks on when entering my home.
>>
>>
>
>The concrete shouldn't have cracked if it was mixed and placed
>properly. Is it possible you're talking about mortar mix or just
>plain cement? Mortar mix is cement plus sand and concrete has cement
>and fine and coarse aggregate (sand and rocks/pebbles). Cement has
>one ingredient: cement - no sand and no aggregate. If you used
>straight cement it's no surprised it cracked. The aggregate is what
>gives concrete its strength.
>
>Let's analyze what you did before offering up a solution. How big is
>the space you're trying to fill? It sounds like you didn't remove the
>threshold before placing the mix - any reason why?
>
>R
>
>
>
About a year ago, I replaced the concrete underneath the door threshold
as it was cracking, and every time I swept around the front door, I
would get more pieces of loose concrete.
I think you hit the nail on the head. I used concrete, not mortar mix.
The area is the length of the door, and very thin underneath the threshold.
From what I can see, the threshold cannot be removed unless I remove
the door frame. I personally don't know how to do that, but I can get
someone to do it for me.
Thanks.
Kate
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RicodJour wrote:
<blockquote
cite="mid1191936149.078567.265590@22g2000hsm.googlegroups.com"
type="cite">
<pre wrap="">On Oct 9, 12:40 am, Kate <a class="moz-txt-link-rfc2396E"
</pre>
<blockquote type="cite">
<pre wrap="">I hope I am explaining this properly.
My front door has a metal plate installed underneath the door, that is
mounted to the floor. I call it the threshold, and I hope that is the
proper term for it. Anyway, last year I mixed some powdered concrete
mix, and pushed it in underneath the threshold.
</pre>
</blockquote>
<pre wrap=""><!---->
What were you trying to accomplish? Was the old one loose,
flexing...?
</pre>
<blockquote type="cite">
<pre wrap="">Now the cement is cracking, and I removed it in hopes of putting
something else besides concrete underneath the threshold plate. This is
the plate everyone walks on when entering my home.
</pre>
</blockquote>
<pre wrap=""><!---->
The concrete shouldn't have cracked if it was mixed and placed
properly. Is it possible you're talking about mortar mix or just
plain cement? Mortar mix is cement plus sand and concrete has cement
and fine and coarse aggregate (sand and rocks/pebbles). Cement has
one ingredient: cement - no sand and no aggregate. If you used
straight cement it's no surprised it cracked. The aggregate is what
gives concrete its strength.
Let's analyze what you did before offering up a solution. How big is
the space you're trying to fill? It sounds like you didn't remove the
threshold before placing the mix - any reason why?
R
</pre>
</blockquote>
About a year ago, I replaced the concrete underneath the door threshold
as it was cracking, and every time I swept around the front door, I
would get more pieces of loose concrete.<br>
<br>
I think you hit the nail on the head. I used concrete, not mortar
mix. The area is the length of the door, and very thin underneath the
threshold.<br>
<br>
From what I can see, the threshold cannot be removed unless I remove
the door frame. I personally don't know how to do that, but I can get
someone to do it for me.<br>
<br>
Thanks.<br>
<br>
Kate<br>
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