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Old Posted Sep 15, 2021, 2:47 PM
BrinChi BrinChi is offline
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Join Date: Jun 2013
Location: Chicago, IL
Posts: 471
Quote:
Originally Posted by LouisVanDerWright View Post
Oh and please don't use cement bearing mortar mix. Ideally your contractor is using 4 parts sand to one part lime. Type O will work too which is 7 parts sand to one part lime and one part cement. Anything with too much cement will destroy your old masonry.
Is Type N acceptable for Chicago brick? I believe it's 1 part Portland cement, 1 part lime, and 6 parts sand, and that's what both masons I got the best quotes from said they use. One of them said they would use O upon request but that's not their recommendation.
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