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how to tell the age of foundations??

P

pointer80

Active member
Hi all, Does anybody know a web site that has any info on different foundation materials and when they started using them? I know field stone foundations are about the oldest but what about other types of foundation materials? Thanks and HH.
 
The 1800's up to 1930's used lime putty and sand with occasional animal hair mix, to set the stone (in the US). After that they used Portland cement, lime and sand mixtures with stone or cinder block. Try browsing mortar ingredients for early stone foundations or 1800's stone foundations etc.
 
I use a general rule for myself but don't know of a website with more accurate info.
Stone for pre 1900, shaped face cinder block, from 1900 to around 1930, standard cinder block after that.
Cinderblock was introduced in the 1870's but wasn't widely used until the turn of the century.
So a house with cinderblock could actually be pre 1900.
 
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