On 23/02/17 21:03, TimW wrote:
On 22/02/17 23:28, The Natural Philosopher wrote:
On 22/02/17 22:04, TimW wrote:

[...]

Anyway, penetrating oil could get underneath it - granite is porous.

Granite is of course not porous.


You are as always, wrong. Not very porous but certainly slightly
permeable.

no.

REally noyt. Look it up.

Not 'like glass' as you say. No.

Bery like glass as I said.

Sandstone is porus. sandstone needs sealing. Sandstone will stain.

Not Granite

TW



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