"N. Thornton" wrote:
"stuart noble" wrote...
N. Thornton wrote in message ...
1. drill a hole into each brick: drill in thru the mortar,
going down at an angle into each brick.
2. Fill hole with new engine oil with a little paraffin
added.
3. Top up later in day.
4. Make good the mortar.

I've not tried it, but I have seen this stuff soaking
easily into bits of brickwork, and it seems like it could
well work on old soft bricks. Who nose.

On a day like today the oil would probably make its way
down the wall and out on to the patio.

What would make the oil move upwards? I cant see how it would
myself.

Upwards? Well, oil floats on water, so when damp in the wall
rises, the oil will go up. Worse, as the oil goes up, the
water will follow, or else there'd be a vacuum in your brick
wall, which would make the bricks implode, and your house
would fall down! In a heavy fall of rain, the soaking effect
might force the oil up so fast that it could spout out of
your chimney pot, like an old "gusher" (oil well). This
could be dangerous if you've a fire going, or the neighbours
have forgoten to bring their washing in.

I should forget about the possibility of using an injected
oil damp-proof course as soon as possible!

Erm... anyway, damp courses are above ground...


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