I have a brick foundation on a hundred year old house in Denver. Soft brick, lime mortar. At some point, I'm guessing the 50's from a paper I found stuffing a hole, the foundation was parged below grade on the inside with what must be portland cement, because its really hard. I've read...

Hi I'm Julian, just moved from the UK to Portland, Oregon and bought a house and having fun doing DIY "American Style". Thanks in advance for all your help......:) Julian