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How many holes in drywall is too many? Percival P. Cassidy 08-13-2007
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Posted by Percival P. Cassidy on August 13, 2007, 1:10 pm
We are in the midst of remodeling our kitchen. Now that I have removed
the microwave and the cabinets above it and alongside it -- and the
nearby base cabinets, I have found what seems like an enormous number of
holes in the sheetrock: a dozen holes where toggle bolts have been used
(presumably along with screws into the studs) to secure a succession of
microwave ovens, a ragged hole that serves no purpose at all that I can
see, and a vertical hole about 3 inches wide and about 1 foot long
running up from an electrical box that was uncovered by anything except
the cabinet that was installed in front of it. This is in addition to
the holes for electrical boxes for light switches and the outlet for the
microwave.

Mounting the new microwave will necessitate yet another lot of four
holes for toggle bolts. The wall is 5 1/2 feet wide. Would it be
advisable just to rip the sheetrock out and replace it? That would also
make it easier to rewire the outlet for the microwave to its own
breaker; it present it's on the same circuit as half the kitchen
outlets, but I haven't find the interconnection point.

Perce

Posted by DerbyDad03 on August 13, 2007, 1:29 pm
> We are in the midst of remodeling our kitchen. Now that I have removed
> the microwave and the cabinets above it and alongside it -- and the
> nearby base cabinets, I have found what seems like an enormous number of
> holes in the sheetrock: a dozen holes where toggle bolts have been used
> (presumably along with screws into the studs) to secure a succession of
> microwave ovens, a ragged hole that serves no purpose at all that I can
> see, and a vertical hole about 3 inches wide and about 1 foot long
> running up from an electrical box that was uncovered by anything except
> the cabinet that was installed in front of it. This is in addition to
> the holes for electrical boxes for light switches and the outlet for the
> microwave.
>
> Mounting the new microwave will necessitate yet another lot of four
> holes for toggle bolts. The wall is 5 1/2 feet wide. Would it be
> advisable just to rip the sheetrock out and replace it? That would also
> make it easier to rewire the outlet for the microwave to its own
> breaker; it present it's on the same circuit as half the kitchen
> outlets, but I haven't find the interconnection point.
>
> Perce

To start with, if at all possible, I would put the microwave on it's
own circuit. Many localities (all?) require a dedicated circuit for a
built-in microwave, yet allow a shared circuit for counter top units.
I know that when my CT unit was on shared circuit, the breaker would
trip quite often. It's dedicated now.

It might also be advisiable to install blocking for the microwave
instead of using toggle bolts. I can't see the mounting hardware from
here, but my guess is that using blocking would be the most secure
method.

You got to do some patching anyway, so I'd cut out the section, wire
it correctly, add the blocking, and pop in a new piece. At least that
what it sounds like from here. Just remember to cut it back to the
middle of the studs on each side so you'll have something to mount the
patch to.


Posted by Mikepier on August 13, 2007, 2:14 pm
>
>
>
>
>
> > We are in the midst of remodeling our kitchen. Now that I have removed
> > the microwave and the cabinets above it and alongside it -- and the
> > nearby base cabinets, I have found what seems like an enormous number of
> > holes in the sheetrock: a dozen holes where toggle bolts have been used
> > (presumably along with screws into the studs) to secure a succession of
> > microwave ovens, a ragged hole that serves no purpose at all that I can
> > see, and a vertical hole about 3 inches wide and about 1 foot long
> > running up from an electrical box that was uncovered by anything except
> > the cabinet that was installed in front of it. This is in addition to
> > the holes for electrical boxes for light switches and the outlet for the
> > microwave.
>
> > Mounting the new microwave will necessitate yet another lot of four
> > holes for toggle bolts. The wall is 5 1/2 feet wide. Would it be
> > advisable just to rip the sheetrock out and replace it? That would also
> > make it easier to rewire the outlet for the microwave to its own
> > breaker; it present it's on the same circuit as half the kitchen
> > outlets, but I haven't find the interconnection point.
>
> > Perce
>
> To start with, if at all possible, I would put the microwave on it's
> own circuit. Many localities (all?) require a dedicated circuit for a
> built-in microwave, yet allow a shared circuit for counter top units.
> I know that when my CT unit was on shared circuit, the breaker would
> trip quite often. It's dedicated now.
>
> It might also be advisiable to install blocking for the microwave
> instead of using toggle bolts. I can't see the mounting hardware from
> here, but my guess is that using blocking would be the most secure
> method.
>
> You got to do some patching anyway, so I'd cut out the section, wire
> it correctly, add the blocking, and pop in a new piece. At least that
> what it sounds like from here. Just remember to cut it back to the
> middle of the studs on each side so you'll have something to mount the
> patch to.- Hide quoted text -
>
> - Show quoted text -

I'd like to add you don't even have to worry about spackling the
sheetrock if its going to be hidden.


Posted by EXT on August 13, 2007, 3:05 pm
If the cabinets are down, rip out the old drywall. Drywall is not sacred,
nor is it expensive. It would certainly be easier to re-install new drywall
and tape and mud it rather than patching dozens of holes. While the drywall
is down put in blocking for the cabinets and microwave, don't depend on
drywall to support them. Once the wall is open, you can install additional
wiring, a microwave circuit, under cabinet lights, phone and TV cables,
whatever suits your fancy. Before you install the drywall use a straightedge
to find bowed studs and shim them level, it will make reinstalling the
cabinets a lot easier.


> We are in the midst of remodeling our kitchen. Now that I have removed the
> microwave and the cabinets above it and alongside it -- and the nearby
> base cabinets, I have found what seems like an enormous number of holes in
> the sheetrock: a dozen holes where toggle bolts have been used (presumably
> along with screws into the studs) to secure a succession of microwave
> ovens, a ragged hole that serves no purpose at all that I can see, and a
> vertical hole about 3 inches wide and about 1 foot long running up from an
> electrical box that was uncovered by anything except the cabinet that was
> installed in front of it. This is in addition to the holes for electrical
> boxes for light switches and the outlet for the microwave.
>
> Mounting the new microwave will necessitate yet another lot of four holes
> for toggle bolts. The wall is 5 1/2 feet wide. Would it be advisable just
> to rip the sheetrock out and replace it? That would also make it easier to
> rewire the outlet for the microwave to its own breaker; it present it's on
> the same circuit as half the kitchen outlets, but I haven't find the
> interconnection point.
>
> Perce



Posted by Percival P. Cassidy on August 13, 2007, 3:41 pm
Just to clarify for you and a previous responder: I don't know what
previous owners did, but any microwave I've installed has come with a
mounting plate with a large number of holes, so that there have to be
two or four or more that line up with a stud or other structural member,
I don't recall about the previous one I installed, but this one also has
four holes near the corners that are marked as "must be used by
installer"; if they coincide with studs, that's good, but otherwise
toggle bolts can be used -- just to hold the corners flat against the
wall, but not necessarily supporting a great load. The main load is
supported by screws into studs.

Nevertheless, I do like the suggestion of putting in blocking to
correspond with those corner holes. Thanks for the suggestion.

Perce


On 08/13/07 03:05 pm EXT wrote:

> If the cabinets are down, rip out the old drywall. Drywall is not sacred,
> nor is it expensive. It would certainly be easier to re-install new drywall
> and tape and mud it rather than patching dozens of holes. While the drywall
> is down put in blocking for the cabinets and microwave, don't depend on
> drywall to support them. Once the wall is open, you can install additional
> wiring, a microwave circuit, under cabinet lights, phone and TV cables,
> whatever suits your fancy. Before you install the drywall use a straightedge
> to find bowed studs and shim them level, it will make reinstalling the
> cabinets a lot easier.

>> We are in the midst of remodeling our kitchen. Now that I have removed the
>> microwave and the cabinets above it and alongside it -- and the nearby
>> base cabinets, I have found what seems like an enormous number of holes in
>> the sheetrock: a dozen holes where toggle bolts have been used (presumably
>> along with screws into the studs) to secure a succession of microwave
>> ovens, a ragged hole that serves no purpose at all that I can see, and a
>> vertical hole about 3 inches wide and about 1 foot long running up from an
>> electrical box that was uncovered by anything except the cabinet that was
>> installed in front of it. This is in addition to the holes for electrical
>> boxes for light switches and the outlet for the microwave.
>>
>> Mounting the new microwave will necessitate yet another lot of four holes
>> for toggle bolts. The wall is 5 1/2 feet wide. Would it be advisable just
>> to rip the sheetrock out and replace it? That would also make it easier to
>> rewire the outlet for the microwave to its own breaker; it present it's on
>> the same circuit as half the kitchen outlets, but I haven't found the
>> interconnection point.

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