Re Point. - Masonry - Contractor Talk

Re Point.

 
 
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Old 06-21-2019, 11:28 AM  
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Re Point.


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Got to repoint this in lime to help with it's damp problems. The client wanted all the masonry paint removed and had an estimate for sandblasting for around 800, but I did it a bit cheaper with a needle scaler. It's mainly flint so it was not a problem, although it took a bit longer than sandblasting.
Fixing the gutter will help a lot as well. It's taking water from half of the main house.
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Old 06-21-2019, 12:03 PM  
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Re: Re Point.


Never tried needle scaling for that, do you have a photo of the scaler you used?

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Old 06-21-2019, 02:05 PM  
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Re: Re Point.


I'll get one on Monday. It's an electric one rather than an air one. I hired from the Builders merchants for 54 per week. I've never used one for this before, but if used on a softer stone or brick it would probably wreck the wall. The Flint was fine and also it helped take out some of the joints.
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Old 06-21-2019, 02:32 PM  
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Re: Re Point.


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These 2 photos show the possible causes of the damp problem. The rainwater spills over from the downpipe from the main roof, there is a bulge in the wall that pulls the gutter in and down at the back, and there is no downpipe at the end of the gutter.
Where the wall has been repointed in the past with a strong sand/OPC mix the damp in the wall is much worse.
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Old 06-22-2019, 12:48 PM  
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Re: Re Point.


A good example of quality flintwork.
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Old 06-22-2019, 08:10 PM  
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Re: Re Point.


He was Hard and sharp as a flint....solitary as an oyster
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Old Today, 11:13 AM  
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Re: Re Point.


The needle gun worked well, and the wall is almost ready for a repoint now when I get the time, as I'm doing a barn up the road as well as the Chapel wanting a Buttress wall in stone with brick tumbling in done.
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I had to do a few different mixes to get the right colour for the lady and put some in the wall as a tester.
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Old Today, 11:38 AM  
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Re: Re Point.


How long did that take with the needle gun?
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Old Today, 11:53 AM  
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Re: Re Point.


In total around 15 hours. She had an estimate for sandblasting, and they reckoned a whole day, for about 800, but they said it wouldn't take off some sand/cement parging in the corner at the gutter leak. The needle gun got all of that off.
It probably took me a bit longer working off steps rather than a scaffold.
The one advantage of the sand blaster is that you can just stand back and reach the top and bottom easier.
You need ear defenders as it is a noisy method.

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