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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

Buy individually or both books together. Delivery is free!


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    • CommentAuthorLeedjc
    • CommentTimeOct 2nd 2017
     
    Morning all

    I'm laying slate down on our limecrete floor, but want to darken the mortar used for the grout. Has anyone done this? I know a pigment can be used for plaster, but can't think of any good reason why it can't be done for a grout mortar as well. Or is there some other way this should be done?

    Thanks
    Lee
    • CommentAuthortony
    • CommentTimeOct 2nd 2017
     
    coloured sand, coloured powder additive or buy precoloured lime.
    • CommentAuthorLeedjc
    • CommentTimeOct 2nd 2017
     
    Thanks Tony

    I've got about 50sqm to grout when all done, but will be doing adjoining rooms at different times. Therefore I was thinking of making a mix with lime putty. That way I can do a large batch and store it until required for each stage - easier than trying to ensure the colour matches.

    Will putty be strong enough for a floor grout though? I will be leaving 10mm spacing between tiles

    Lee
    • CommentAuthortony
    • CommentTimeOct 2nd 2017
     
    with sharp sand in it yes, consider buying ready mixed lime grout in tubs, you could back fill part way up the joints if they are deep with natural lime mortar
    • CommentAuthorLeedjc
    • CommentTimeOct 2nd 2017
     
    That's great, thanks for your help tony

    Lee
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