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I paint custom homes which have started using hardi board for the fascia and freeze. whatever we use on the joints ends up cracking. weve tried caulk, vulcum, epoxy, wood filler and bondo. any suggestions would be great. thank you
 

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We always use caulk with no problems, are you shaving the edges? We run a 5, or a razor along the edges of that junk to get rid of the fuzzies first.
 

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We always use caulk with no problems, are you shaving the edges? We run a 5, or a razor along the edges of that junk to get rid of the fuzzies first.
Same here. Getting rid of the fuzzies ( lack of a better word) is important for a good seal. If you have large gaps, due to poor quality wood butchers, then you might have to double back and caulk again.
 

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working for a few builders,some say caulk underlaps some say dont.i tried going on hardi website but i couldnt find specs as what to and not to caulk.
i guess another entry level comment by me
 

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Holly Necro thread.

I wonder how one post Nick came out on that Hardi.

Going on 3 years later I stand by my previous post.

....no.. no you are all wrong spaghetti is the new caulk ..has ben for months now get with it..hardi eats that stuff for a snack then just shove its face full of the white stuff,for desert .I prefer the 55 year ...not that I will be around to tell dif ........ha ha ha
 
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