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i recently rendered a brick wall with a NHL 3.5 mix and repointed/resecured a lot of loose bricks. not sure i did it correctly but generally it was super easy to work with and a lot nicer than cement. i had a go with one of those mortar guns too which was kind of fun.
i have a couple of bags going spare if you're north london (Highbury) way.
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Not around there, but thanks. Thinking about it I have repointed using NHL in my last place. Garden wall that was painted on our side. It was a pretty shocking job I did, and more or less just filler as it was all painted anyway, but came out looking better than it did previously.
I just want to do a better job this time around because it'll be more apparent if it's rough.
Yeah, I've been reading quite a lot about the application / curing times etc etc. It's quite a in-depth art. Hopefully using NHL I can't go too far wrong as long as I wait for the winter frosts to pass. Getting the cement/plants out of the wall is going to be a much more painful task I fear.