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Repair of door threshold



 
 
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  #1  
Old October 9th 07, 05:40 AM posted to alt.home.repair
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Posts: 19
Default Repair of door threshold

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.

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.

Does anyone have some ideas for me?

Many thanks.

Kate

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  #2  
Old October 9th 07, 02:22 PM posted to alt.home.repair
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Posts: 4,770
Default Repair of door threshold

On Oct 9, 12:40 am, Kate 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

  #3  
Old October 9th 07, 02:23 PM posted to alt.home.repair
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Posts: 264
Default Repair of door threshold

Kate 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.

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.

Does anyone have some ideas for me?

Many thanks.

Kate


First, are you trying to secure the threshold with the concrete, or
just fill in the gap?

If you are trying to secure the threshold, that method is not very
good. I have found that drilling a hole into the concrete floor (if
that is the situation) with a masonry bit and filling that hole with
wooden dowel rod is the best way. Cut off the dowel rod flush with the
floor and drill a hole for the screws used to secure the threshold into
it. The dowel rod will expand outward once the screws are installed
holding down the threshold.

If your problem is filling a gap and not one of securing the threshold,
I found cutting wood the size of the threshold to fill the gap is very
effective. Plywood comes in various sizes and often solves the problem.
  #5  
Old October 10th 07, 06:23 AM posted to alt.home.repair
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Posts: 19
Default Repair of door threshold

RicodJour wrote:

On Oct 9, 12:40 am, Kate 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

  #6  
Old October 10th 07, 06:26 AM posted to alt.home.repair
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Posts: 19
Default Repair of door threshold

Ken wrote:

Kate 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.

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.

Does anyone have some ideas for me?

Many thanks.

Kate



First, are you trying to secure the threshold with the concrete,
or just fill in the gap?

If you are trying to secure the threshold, that method is not very
good. I have found that drilling a hole into the concrete floor (if
that is the situation) with a masonry bit and filling that hole with
wooden dowel rod is the best way. Cut off the dowel rod flush with
the floor and drill a hole for the screws used to secure the threshold
into it. The dowel rod will expand outward once the screws are
installed holding down the threshold.

If your problem is filling a gap and not one of securing the
threshold, I found cutting wood the size of the threshold to fill the
gap is very effective. Plywood comes in various sizes and often
solves the problem.


Yes, I just want to fill the gap. The wood idea is excellent. If done
right, I should never have to deal with it again, or at least years down
the road.

Many, many thanks.

Kate

  #7  
Old October 10th 07, 05:18 PM posted to alt.home.repair
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Posts: 178
Default Repair of door threshold

For a quick fix, try "Quikrete No. 8640, Gray Concrete Seal" which could
fill gaps up to 1/2" thick and has some give so it shouldn't crack.


  #8  
Old October 11th 07, 07:45 AM posted to alt.home.repair
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Posts: 19
Default Repair of door threshold

** Frank ** wrote:

For a quick fix, try "Quikrete No. 8640, Gray Concrete Seal" which could
fill gaps up to 1/2" thick and has some give so it shouldn't crack.




Thank you so much Frank. Someone today told me I could also use Pig
Putty. I have never heard of it.

Kate

  #9  
Old October 11th 07, 06:04 PM posted to alt.home.repair
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Posts: 178
Default Repair of door threshold

"Kate" wrote in message ...
** Frank ** wrote:

For a quick fix, try "Quikrete No. 8640, Gray Concrete Seal" which could
fill gaps up to 1/2" thick and has some give so it shouldn't crack.


Thank you so much Frank. Someone today told me I could also use Pig Putty. I have never heard of it.

Kate

Me either and this is the info: http://www.newpig.com.au/ProdDetails...rodCode=PTY201

Whatever you use, be sure the threshold don't flex under weight and seal tight against water intrusion to prevent termites and dry rot.
 




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