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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.

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    • CommentAuthorFieldfare
    • CommentTimeJul 27th 2019
     
    Hi all- I have begin to lime point the front of our c1800's barn conversion (gritstone on the front and mostly sandstone on the rear). The patches I have done so far should be obvious in the photo attached. Decided to darken it a little bit compared with the rear, and after testing decided on a 2.5 parts yellow washed graded gritsand, 0.5 parts dark sand and 1 part NHL3.5 hydraulic lime. All has cured nicely except that it looks a bit raw (maybe a bit of effloresence caused by the hot, dry weather- I think I managed to keep it moist for 8 days covered by hessian and sprayed on the surface). The pointing is completely shot in the bits I haven't done (old lime is made of sands approx. same colour as my sand mix- lime looks like it has left it- and lighter patches that have gone grey on the surface over time). Maybe it is fine and the starkness is just comparing new pointing with zero-pointed black voids? Anyone got any thoughts on if I am going in the right direction? I suppose could paint on some mud to calm it down a bit? Introduce a bit more black sand- or just continue with mix I have settled on?
    Best regards
      20190727_210350.jpg
  1.  
    Posted By: FieldfareMaybe it is fine and the starkness is just comparing new pointing with zero-pointed black voids? Anyone got any thoughts on if I am going in the right direction? I suppose could paint on some mud to calm it down a bit? Introduce a bit more black sand- or just continue with mix I have settled on?


    I think you are right and it's just the contrast. I like the look of the new pointing.
    • CommentAuthortony
    • CommentTimeJul 28th 2019
     
    Back to front for me, start at the top and work down!

    Looks brilliant though, keep it damped down for a good while

    We used to age it by washing down with dirty water (soil and water stirred up)
    • CommentAuthorrevor
    • CommentTimeJul 28th 2019
     
    I quite like it as it is. It will darken with time. I agree with Tony best procedure to start at top otherwise risk marking work below with water or dropped mortar particularly as it is fresh and not hardened off. Applies to any pointing not just lime.
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