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repointing


rowland
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I have done a search about repointing an outside wall and understand the mix for Chaux to fill in the gaps. Do I have to scrape the old stuff out before I re-fill the gaps or can I just apply the new chaux?

Thanks in advance for any advice
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Hi ok

          Having done a small amount of this .....   first do not use a SDS drill / air hammer  etc. this will loosen the stone causing unseen damage .   use an air line to blow out any dust before you point and yes wet the walls first . 5-6 m2  / day  is about my limit too

       Dave

    [IMG]http://i83.photobucket.com/albums/j311/daveolive/PDR_0010.jpg[/IMG]

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[quote user="Théière"]As you BIG MAC, the mix is subject to everyone's input but from St Astier comes the truth[/quote]

Reputable producers like Lafarge are so helpful placing a guide to optimal mixes with iconic buckets and wheel barrows on the back of their paper sacks, surprised that the firm from the dordogne with the underground operation exploiting a CHALKY SILICIC LIMESTONE does not also adorn their paper bags with didactic icons.

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