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sealing face of fireplace with cardboard and duct tape

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sealing face of fireplace with cardboard and duct tape ap 11-29-2006
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Posted by ap on November 29, 2006, 10:46 am


Hello,
I have a brick fireplace that is very drafty. The flue is shut, but
there are air leaks. So last weekend, I sealed the face of the
fireplace
with cardboard and held it to the brick fireplace with duct tape for
stucco.

Just today, I noticed the duct tape is coming off the sides and air
is leaking again.

Is there a better type of duct tape for holding cardboard to brick?

Any suggestions ?

Thanks much.


AppliancePartsPros.com, Inc.
Posted by on November 29, 2006, 12:15 pm



ap wrote:
> Hello,
> I have a brick fireplace that is very drafty. The flue is shut, but
> there are air leaks. So last weekend, I sealed the face of the
> fireplace
> with cardboard and held it to the brick fireplace with duct tape for
> stucco.
>
> Just today, I noticed the duct tape is coming off the sides and air
> is leaking again.
>
> Is there a better type of duct tape for holding cardboard to brick?
>
> Any suggestions ?
>
> Thanks much.

What I'd do:

Trim that cardboard into a template of the inside of the opening,
leaving
maybe .5" gap around the outside.

Use that template to cut a piece of 1/2" plywood, put it in the
opening,
and stuff fiberglass into the gap.

J


Posted by Frank on November 29, 2006, 12:39 pm



ap wrote:
> Hello,
> I have a brick fireplace that is very drafty. The flue is shut, but
> there are air leaks. So last weekend, I sealed the face of the
> fireplace
> with cardboard and held it to the brick fireplace with duct tape for
> stucco.
>
> Just today, I noticed the duct tape is coming off the sides and air
> is leaking again.
>
> Is there a better type of duct tape for holding cardboard to brick?
>
> Any suggestions ?
>
> Thanks much.

Get a set of glass doors. You can seal around them, to prevent all
leaks, with RTV. Will look a little more attractive than what you are
doing now ;)

Frank


Posted by on November 29, 2006, 12:50 pm


I have glass front doors myself and its still drafty...

In the summer to prevent a downdraft (and that lovely firewood
smell/stink) is
I take a black garbage bag cut it to fit the opening (just a bit
bigger) and use
a quality duct tape (3m stuff) works just fine. It covers the entire
face of
the fireplace and is black. I put the cover in front of it again and
it covers the
duct tape seam. The black bag really isnt noticable at all.

Other thing you can do is take a look at the flue and see if you can
either use towels or insulation around the outer seam. Closing it well
enough might do the trick for you and its tucked away nicely up there.


ap wrote:
> Hello,
> I have a brick fireplace that is very drafty. The flue is shut, but
> there are air leaks. So last weekend, I sealed the face of the
> fireplace
> with cardboard and held it to the brick fireplace with duct tape for
> stucco.
>
> Just today, I noticed the duct tape is coming off the sides and air
> is leaking again.
>
> Is there a better type of duct tape for holding cardboard to brick?
>
> Any suggestions ?
>
> Thanks much.


Posted by Bob F on November 29, 2006, 1:07 pm



> Hello,
> I have a brick fireplace that is very drafty. The flue is shut, but
> there are air leaks. So last weekend, I sealed the face of the
> fireplace
> with cardboard and held it to the brick fireplace with duct tape for
> stucco.
>
> Just today, I noticed the duct tape is coming off the sides and air
> is leaking again.
>
> Is there a better type of duct tape for holding cardboard to brick?

Leave the tape on the brick for long, and you will never get the
adhesive off the brick.

Measure the opening at the top of the inside of the fireplace. Cut
cardboard a inch or so bigger, and a board an inch of so smaller than
that opening. Position the cardboard into the opening, back it up
with the board carefully centered, then prop them in place with
a chunk of 2x4 or 2x2 between the bottom of the fireplace and
the board.

Bob



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