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Installing pre-hung door with trim

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Installing pre-hung door with trim DaveC 11-05-2006
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Posted by DaveC on November 5, 2006, 9:16 am


Bought pre-hung door with frame (obviously) and trim already installed.

The only way I can see to install this door is to remove the trim from both
sides and, after installing the door and frame, reinstalling the trim.

Is this correct? If so, what reason is there for installing the trim onto the
frame?

I need to install the shims on all sides of the frame, so I can't see how to
install the shims with only one side of the trim removed...

Ideas?

Thanks,
--
DaveC
me@bogusdomain.net
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Posted by Timothy Lange on November 5, 2006, 9:37 am


Are you sure it is not a split jam that just pulls apart and you then
install the side with the door first, shim it, nail it, and then install
the other side and nail it? Mine are like that. Found a couple that
were not nailed on the non-door side.

Tim.

DaveC wrote:
> Bought pre-hung door with frame (obviously) and trim already installed.
>
> The only way I can see to install this door is to remove the trim from both
> sides and, after installing the door and frame, reinstalling the trim.
>
> Is this correct? If so, what reason is there for installing the trim onto the
> frame?
>
> I need to install the shims on all sides of the frame, so I can't see how to
> install the shims with only one side of the trim removed...
>
> Ideas?
>
> Thanks,

Posted by DaveC on November 5, 2006, 11:56 am


Thus spake Timothy Lange:

> Are you sure it is not a split jam that just pulls apart and you then install

> the side with the door first, shim it, nail it, and then install the other
> side and nail it? Mine are like that. Found a couple that were not nailed
> on the non-door side.
>
> Tim.

-=-=-=-

Lo an' behold! It is a split-jamb.

But the question still rears its head: how do you install the shims to give
you a plumb-and-square install, when the casing is already nailed to the
(half) jamb? Access to the space between the rough opening studs and the door
frame is accessible from only one side (the non-casing side).

Ideas?

Thanks,
--
DaveC
me@bogusdomain.net
This is an invalid return address
Please reply in the news group


Posted by Joe on November 5, 2006, 12:19 pm



DaveC wrote:
<snip>

> But the question still rears its head: how do you install the shims to give
> you a plumb-and-square install, when the casing is already nailed to the
> (half) jamb?

You can keep the jamb assembly square by nailing a diagonal brace to
the non casing side. Use the 3 4 5 rule to ensure square. Then install
shims using a Jamber level set or at minimum a 2' and 4' level set. HTH

Joe


Posted by on November 5, 2006, 1:00 pm



>Thus spake Timothy Lange:
>
>> Are you sure it is not a split jam that just pulls apart and you
then install
>
>> the side with the door first, shim it, nail it, and then install
the other
>> side and nail it? Mine are like that. Found a couple that were
not nailed
>> on the non-door side.
>>
>> Tim.
>
>-=-=-=-
>
>Lo an' behold! It is a split-jamb.
>
>But the question still rears its head: how do you install the shims
to give
>you a plumb-and-square install, when the casing is already nailed to
the
>(half) jamb? Access to the space between the rough opening studs and
the door
>frame is accessible from only one side (the non-casing side).
>
>Ideas?
>
>Thanks,


All of the weight is on the hinge side of the door. Hang that side
first, shim and level it. With the door on, set the head and the side
jamb to the door leaving 1/8 space on all sides. Shim as needed.
Install the other side of the jamb, face nail the casing and then nail
through the stop to secure the two jamb sections together.

-Lee


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