our original and specified mortar
> mix, which I didn't think of as Type K but as a modified Type N.
Type K
> isn't in the ASTM charts.
> Ilene R. Tyler, FAIA
>
Type K mortar is listed in Appendix X3 - Tuck Pointing Mortar, in ASTM
C270. It is described as 1 part Portland cement, 2.25 to 4 parts lime,
and 2.25 to 3 times the total volume of cement and lime for the sand.
It is listed in the Appendix as an alternate to Type O for exterior,
above grade service, exposed on one side, unlikely to be frozen when
saturated, not subject to high wind or significant lateral load.


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M. P. Edison
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Plainville, CT 06062  USA
Phone: (860)747-2220
Fax: (860)747-2280
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Internet: www.edisoncoatings.com

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