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-   -   masonry mix for pointing 100 year old stone (http://www.diychatroom.com/f19/masonry-mix-pointing-100-year-old-stone-111106/)

kt82 07-17-2011 10:54 PM

masonry mix for pointing 100 year old stone
 
I bought a 1909 house in central texas with a sandstone veneer . i have read I should use a soft mortar (lime and sand only ?) what would be the proper proportion for the mix?

stuart45 07-18-2011 05:25 AM

Usually about 2 or 3 sharp sand to one of lime and a bit of bit dust. Or use 3/1 3.5 NHL hydraulic lime/sharp sand.

Tscarborough 07-18-2011 08:50 AM

In 1909 in Central Texas, the chances are good that it is a portland mortar, although still soft. You should determine that first.

stuart45 07-18-2011 10:10 AM

You started using OPC in the mortar early on in Texas. Round here lime was still popular in the 30's.

Tscarborough 07-18-2011 03:06 PM

Alamo Cement was founded in 1880. There are 5 cement plants and 2 lime plants within a 100 mile radius of Austin.

kt82 07-19-2011 06:27 AM

I wonder if the masons in 1909 worked if it was 100 degerees outside?? any of you around in 1909?

AGWhitehouse 07-19-2011 08:13 AM

Quote:

Originally Posted by kt82 (Post 689189)
I wonder if the masons in 1909 worked if it was 100 degerees outside?? any of you around in 1909?

I would bet money they did...without air conditioning your blood thins to accomodate the heat...Not saying they weren't sweating, but they were working.

Knucklez 07-19-2011 10:30 PM

this series is really good. also i think he says what the material used was for repointing.

http://www.youtube.com/watch?v=bK9hoTebGj0

Knucklez

kt82 07-20-2011 06:37 AM

thanks to all


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