Re-setting slates in walkway/steps

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Old 01-04-09, 12:17 PM
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Re-setting slates in walkway/steps

a few have come loose. They are grey, about and inch or two thick. The rest of the walkway appears to have a grayish cement between the slates. What is the best mortar/cement mix to use in order to re-set them?
 
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Old 01-04-09, 07:34 PM
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I did a job like that last year. We used Portland with sand about 3 sand to 2 Portland.
 
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Old 01-09-09, 07:35 AM
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The portland cement pulpo is good except its missing lime in it unless it was a premix Portland that has the lime in it, lime gives it the chemical reaction it needs and also makes it easier to work with. If you use the Portland let it set up fairly good before you flat strike it. This will help to keep the lime from coming to the top and making it a lot whiter and will "age" look the mortar. This applies to all mixes of mortar with any lime in itMost walks way in mortar should be sealed periodically so hair line cracks in the mortar to the brick/flagstone don't develope so quickly
 
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