Joint Removal On A Horizontal Surface - Masonry - Contractor Talk

Joint Removal On A Horizontal Surface

 
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Old 03-13-2016, 09:50 AM   #1
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Joint Removal On A Horizontal Surface


I have a 500' brick patio that is laid in a herring bone pattern and needs to be repointed. The 4" grinder with the joint blade is getting old... like me. Is there any type of a small "stand up style" saw on the market ?. I have seen a universal saw cart, thought about mounting a worm drive saw to it and using a 6" joint blade, possibly fabricating a water feed. Thanks.
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Old 03-13-2016, 04:32 PM   #2
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Re: Joint Removal On A Horizontal Surface


I would rule out any type of saw, including a 4" angle grinder with a diamond blade. Reasons being,a herring bone pattern has no straight joints. You would constantly be nicking brick at stop points.


While I have used this method with good results (on soft lime mortar) I would try this method by rigging up a way to control the depth of cut and only shoot for a bout a 1/4" per pass. Reason being,bit does not cut easily through opc mortar.


http://www.bontool.com/product1.asp?P=MORTARROUTER

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Old 03-13-2016, 06:29 PM   #3
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Re: Joint Removal On A Horizontal Surface


Never seen that tool before. Thought about how there should be a tool just like it a million times but never seen one.
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Old 03-13-2016, 10:10 PM   #4
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Re: Joint Removal On A Horizontal Surface


I doubt you would find anything that you could stand and see what you are doing, with all the zigzagging in herringbone pattern you would cut too much of the brick. Sounds like a good kneeling board in needed
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Old 03-14-2016, 09:21 AM   #5
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Re: Joint Removal On A Horizontal Surface


Thanks for your thoughts. I think I found the answer...not cheep though. Gorilla 4.5 inch crack chaser.
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Old 03-14-2016, 10:28 AM   #6
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Re: Joint Removal On A Horizontal Surface


Quote:
Originally Posted by splitstone View Post
Thanks for your thoughts. I think I found the answer...not cheep though. Gorilla 4.5 inch crack chaser.
For your job in question, it seems like it would be hard to watch the blade from behind.
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Old 03-14-2016, 01:28 PM   #7
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Re: Joint Removal On A Horizontal Surface


Pressure washer?
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Old 03-14-2016, 05:04 PM   #8
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Re: Joint Removal On A Horizontal Surface


Quote:
Originally Posted by fjn View Post
I would rule out any type of saw, including a 4" angle grinder with a diamond blade. Reasons being,a herring bone pattern has no straight joints. You would constantly be nicking brick at stop points.


While I have used this method with good results (on soft lime mortar) I would try this method by rigging up a way to control the depth of cut and only shoot for a bout a 1/4" per pass. Reason being,bit does not cut easily through opc mortar.


http://www.bontool.com/product1.asp?P=MORTARROUTER
Quote:
Originally Posted by splitstone View Post
Thanks for your thoughts. I think I found the answer...not cheep though. Gorilla 4.5 inch crack chaser.

Did you read, fjn's reply?
Maybe you should read it again.

The crack chaser is no different than the tuck blade, except it leaves less of a key, you'd be better off with the tuck or stacked blade if you insist on going that route.
Watch those corners!
Don't forget dust extraction, it helps.

As far as cost goes, the last crack chaser I bought many,many moons ago, that I rarely ever use, was about what you could get the kit and 4 spare bits for.

Then there's always the hammer and chisel method or a small pneumatic chipper. No matter what, you'll be on your knees.

Good luck,
D.
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Old 03-14-2016, 05:38 PM   #9
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Re: Joint Removal On A Horizontal Surface


Yes, i should have said that pneumatic hammer would always be my first choice, least possibility of accidentally cutting the units and the least dust as well
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Old 03-14-2016, 07:17 PM   #10
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Re: Joint Removal On A Horizontal Surface


I understand every ones thoughts but as usual I reject every ones reality and substitute it with mine. I've done split field stone for the last twenty five years and swinging that two pound Estwing has crippled my right elbow. I'm attempting to work smarter not harder.... or I'm getting lazy... So I do appreciate your opinion's. Thanks.
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Old 03-14-2016, 07:27 PM   #11
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Re: Joint Removal On A Horizontal Surface


Quote:
Originally Posted by splitstone View Post
I understand every ones thoughts but as usual I reject every ones reality and substitute it with mine. I've done split field stone for the last twenty five years and swinging that two pound Estwing has crippled my right elbow. I'm attempting to work smarter not harder.... or I'm getting lazy... So I do appreciate your opinion's. Thanks.
I don't know masonry, but I am lazy and stayed at a Holiday Inn express...

Any thoughts on this thing?
http://www.as170.com/index2.html

http://www.as170.com/videos/Arbortec...Technique.html

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Old 03-14-2016, 08:03 PM   #12
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Re: Joint Removal On A Horizontal Surface


Air hammer is hardly hard work
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Old 03-14-2016, 11:47 PM   #13
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Re: Joint Removal On A Horizontal Surface


There's no easy way for herringbone although I've used my pneumatics and regulated the pressure down to the least possible punch to prevent blowout. Hopefully your mortar is softer than the brick...and you're not porty rich.

It'll be a gruelling job no matter how you do it...bid accordingly if you haven't already.
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Old 03-17-2016, 07:41 AM   #14
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Re: Joint Removal On A Horizontal Surface


Quote:
Originally Posted by superseal View Post
There's no easy way for herringbone although I've used my pneumatics and regulated the pressure down to the least possible punch to prevent blowout. Hopefully your mortar is softer than the brick...and you're not porty rich.

It'll be a gruelling job no matter how you do it...bid accordingly if you haven't already.
I've been at it for two weeks...and I am close to working for free.
The patio was half covered with snow and frozen when I gave the quote, it thawed and the nightmare began. Over half of the area had to be removed and re laid.
I picked up a Ryobi 4" wet saw from Depot...that is the only good that has come from this, it's messy but keeps the dust down. "If your gonna be dumb you gotta be tough". I'm running out of tough.

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