Fixing the garage side door entrance

kingofmycastle

The side entrance to my detached garage has some broken foundation blocks. The blocks is joined by the concrete walkway outside the garage.

As you can see from the picture, what's the correct way to remedy this problem?

I have no masonry experience but I am pretty handy otherwise and still learning. This is our first home.

Thanks.

joecaption

You have a few other issues going on there.
That should have been solid block not hollow used under the door.
There was not suppost to be wood under the door, the threshold should have been sitting directly on the concrete in a bed of silicone to keep out water.

You never should have remove the aluminum threshold, the whole door frame and all should have been removed instead.

Your going to have to remove the whole door now anyway since it's going to have to be lowered and to be able to reattach the threshold.

Is that a 1 X used as a bottom plate in those walls?

Fix'n it

my 4y/o garage was built with a 2x4 sill plate under the threshold. and that is on top of a mud sill. i don't like it, as you have to step higher that one should to go in the door. i am going to cut out the 2x4 one of these days.

fyi = pics didn't display for me.

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joecaption

That has to be twisting like crazy with that narrow board under it.

kingofmycastle

I didn't remove it, it was already that way.

So how can I rebuild a new cement support for the new threshold. Do I remove the whole door frame to rebuild it since it's been cut?

oh'mike

You have a wood door that can be trimmed----I suggest that you break out the crumbling block----addd a temporary wood form and cast a new concrete curb under that door---

I would under cut the jamb first and make the new concrete support an inch or so taller than the existing---then install the thresh hold---trim the door to fit and you are good--

A new adjustable threshold would make cutting the door much more forgiving---

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