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  Kiln Brick Repair Kit

KILN BRICK REPAIR KIT


 
Our Price: $37.00

Product Code: LMGBKIT00
Qty:

Description
 
KILN BRICK REPAIR KIT

GENERAL NOTE: Firebrick is a very fragile material and subject to breakage, spalling and heat shock. The good news is that it is very easy to repair and maintain with the proper materials and techniques. Our Brick Repair Kit has all the materials you will need to do a first class job.
This brick repair kit is ONLY meant to be used on L&L kilns. If you use it on anything else you do so at your own risk. It will not work on other types of refractories such as are used in woodstoves, etc

Get the Complete Instuctions and Kiln Brick Trobleshooting Manual from L&L Kilns Here:
www.sheffield-pottery.com/downloadables/troubleshoot-brick.pdf


The instructions further reference this document on First Firing:
http://www.hotkilns.com/first-firing.pdf

LIST OF BRICK REPAIR KIT MATERIALS


(1) Firebrick piece
(1) 1/2 pint of Phosphate Cement (in a pint
container)
(1) Quart container of Brick Dust
(1) print Brick Facing

The Brick Repair Kit includes one 1/2 Pint of Special Phosphate Bonded Cement, one 1/2 Pint of Brick facing, One Small Firebrick Piece, One Quart of Firebrick Dust, and detailed Instructions. Brick dust, cement and facing come in a plastic jar with a screw-on lid.

This Brick Repair Kit is meant to be used on small to moderate sized cracks on the surface of the firebrick. It is not meant for deeper cracks or cracks that go all the way through the brick. If your firebrick is cracked all the way through, or looks structurally unstable, then that brick should be replaced immediately.

If the label comes off of your containers, and you are unsure of what the materials are, you can look at the color to determine what material it is. The brick cement is white, the brick powder is white, and the brick facing material is an off-white tan color.

NOTE: This brick repair kit is ONLY meant to be used on L&L kilns. If you use it on anything else you do so at your own risk. It will not work on other types of refractories such as are used in woodstoves, etc.



MIXING A BATCH OF GROUT

The grout should be mixed up JUST prior to use.
(Otherwise it will dry out). Mix the ingredients with a
small spatula in a container (like a glass jar or plastic
cup). Mix in the following:
cup firebrick dust
cup water
1 tablespoon Phosphate Cement

CAUTION:PHOSPHATE CEMENT:
 The special cement that is used by itself and with the grout is a phosphorous based cement. It has unusually strong adhesive properties which makes it ideal for repair work. It is different from the cement we normally use for cementing our firebrick. The phosphorus makes phosphoric acid. It is best to use rubber gloves. Be sure to wash your hands with soap and water immediately following your use. Phosphoric acid is very hazardous to your eyes. Protect your eyes with glasses.

BRICK REPAIRS

APPLICATION OF BRICK HARDENER
1) First brush and vacuum the surface of the brick
clean to remove any loose material or crumbling
firebrick.
2) Next wet the brick surface lightly. Use a paint
brush or spray bottle (make sure there is no soap
residue in the bottle).
3) Then apply a thin coat of the brick hardener with a
soft brush over the surface of the firebrick. Do not
make too thick a coat of the hardener or it will spall
off.
4) Let the hardener dry for 24 hours.
5) Run the First Firing Cycle (See first-firing.pdf in
the Operation Section).

REPAIRING SMALL HOLES & CHIPS IN KILN BRICK
1) Dig out any loose particles with a small knife.
2) Brush and vacuum the surface of the brick clean to
remove any loose material or crumbling firebrick.
3) Next wet the brick surface lightly. Use a paint
brush or spray bottle (make sure there is no soap
residue in the bottle).
4) Apply a thin coat of brick cement all over the hole.
This is defined as about 1/32" to 1/16" thick. Do this
with your finger or a small brush.
5) Fill hole with the special grout material. Apply
grout with a spatula (like plaster.) You can also use
your finger. Push it into the hole. It is OK to let it be
a rough surface or slightly larger than the hole it is
filling.
6) Let dry for 24 hours.
7) Take some rough sandpaper and sand surface to
even it out with the rest of the firebrick.
8) Run the First Firing Cycle (See first-firing.pdf in
the Operation Section).
9) You can brush on hardener or facing afterward if
you desire.

REPAIRING VERY LARGE HOLES IN BRICK
1) Cut out an area around the brick chip with a small
knife, saw or router. The hole that you make should
have 90 angles so that a square or rectangular block
will fit in the hole.
2) Cut a piece of firebrick to fit into this cut out hole.
The piece should be slightly smaller than the hole (by
about 1/16" to 1/8").
3) Both the hole and the brick piece should be brushed
and vacuumed clean.
4) Wet the brick surface lightly. (Both the hole and the
surface of the block that you are going to insert in the
hole). Use a paint brush or spray bottle (make sure
there is no soap residue in the bottle).
5) Apply the Kiln Cement to the surface of the the
piece that you are going to put in the hole. Use only
about 1/32" to 1/16" of an inch of cement.
6) Let dry for 24 hours at a minimum.
7) Cut off and/or sand off excess brick and cement.
8) Cover with Brick Facing and allow to dry for
another 24 hours.
9) Turn kiln onto low for 3 hours to dry totally.
10) Run the First Firing Cycle (See first-firing.pdf in
the Operation Section).

FIRST FIRING AFTER REPAIR
(See first-firing.pdf in the Operation Section). The
only modification is that you can fire to a lower
temperature because you do not need to reseat the
elements. However, firing to cone 5 instead of 05 is
OK.
On the first firing of the kiln fire it empty.
For kilns with the manual control fire the kiln on low
(setting #2) for two hours to bake out any moisture.
Then set to medium (setting #5) for two hours and
then increase enough to reach final temperature. Fire
it to cone 05 (1888F).
If you have the DYNA-TROL program control fire
the following program: Using the "Easy-Fire" mode
fire on Slow Bisque to Cone 05 with a PreHeat setting
of 3 hours and a hold of 1 hour.

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P.O. Box 399
Sheffield, MA
01257
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