Tuesday, February 19, 2008

[papercreters] PC for patching hole in bricks?

Yesterday we removed some old shutters from the front of our house
and were surprised to find a fist sized hole (not caused by a fist)
in the bricks under one of the shutters. While it is located under
the eave, it still would provide a way for driving rain to get into
the house...
It will be covered again by shutters sometime in the future....


My first thougth was to make up a tiny batch of PC and use it to
stuff/ patch the hole but then realized it might pull away as it
dries and then fall out.

Adding more sand to the mix reduces shrinkage, right?

Make it a "drier" mix to begin with?

Make a "regular" mix, let the water drain and work with it when you
normally wouldn't touch it(like when making bricks)?

Trace the hole, make a "plug" sized piece a little oversized, let it
dry and then mortar that in?

Any other thoughts, suggestions?

I'm pretty adept at mixing, blending colors, so I feel certain I can
get the color right after it dries.

One more question...

I use a commercially prepared "paperclay" material for my art
sculptures, the main ingredient being volcanic ash. I have some old
dry pieces that I can rehydrate and blend into the slurry. If I
mixed this with the portland/paper/sand mix do you think it would
speed up the curing process since volcanic ash (though already mixed)
might act as a pozzolan?

TIA
Penny



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