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07-29-2009, 09:24 PM
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#1
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General Contractor
Trade:
General Contractor
Join Date: Apr 2009
Location: Manchester, KY
Posts: 14
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concrete grooves
Hello guys,
Can any of you guys tell me why you put grooves in side walks and drive ways.
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07-29-2009, 09:27 PM
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#2
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Sean
Trade:
General Contractor
Join Date: Sep 2008
Location: Cullman, AL
Posts: 3,419
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Expansion, Contraction, cracks & it looks cool
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07-29-2009, 09:37 PM
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#3
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Pro
Trade:
custom home building
Join Date: Dec 2007
Location: Central Iowa
Posts: 1,096
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People do this because it takes away the urge to put your footprints in it.
This has been going on since the beginning of time. People have found footprints in lava flows and since then people just started grooving because it is less painful.
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07-30-2009, 08:21 PM
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#4
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I do that too!
Trade:
80% junk,jokes or stupid comments
Join Date: Oct 2008
Location: Globe, Arizona
Posts: 361
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Please tell me this is a joke!? 
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07-30-2009, 08:57 PM
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#5
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Pro
Trade:
Masonry
Join Date: Apr 2007
Location: Shohola, PA
Posts: 265
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In PA we do it so the worms can get from one side to the other without drying out.
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07-31-2009, 08:35 PM
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#6
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Pro
Trade:
custom home building
Join Date: Dec 2007
Location: Central Iowa
Posts: 1,096
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I guess another good answer would be because they don't have a saw. Seriously, I would rather groove than cut because of the noise and dust and it is done before the concrete even thinks about setting up. I think we've all seen slabs that are cracked in the morning where they go around an inside corner.
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07-31-2009, 08:56 PM
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#7
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Pompass Ass
Trade:
Certified Building and Certified A/C Contractor
Join Date: Jan 2009
Location: Plant City, Florida
Posts: 1,490
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Quote:
Originally Posted by eric wayne
Hello guys,
Can any of you guys tell me why you put grooves in side walks and drive ways.
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You aren't really a General Contractor are you?
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07-31-2009, 09:35 PM
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#8
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Pro
Trade:
Masonry consultant
Join Date: Nov 2006
Location: Minnesota
Posts: 1,435
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Two solutions to cracks -
1. Use the right mix without too much water - better concrete, but more grunt labor.
2. Saw late the same day when it is easy and fast with no dust. If it is warm it could be too late the next day. if you get there after 10:00 AM. the next day you might be too late, especially with a wet mix that loses water to the surface and the base. - If you saw, it is much cheaper, better and a more professional job and look that you can use as a reference.
__________________
Dick
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07-31-2009, 09:40 PM
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#9
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Trailer park boy
Trade:
Remodeling
Join Date: Mar 2008
Location: Castlegar, BC, Canada
Posts: 1,557
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To make all those people have to think about where they are putting their feet in order to not step on them.
__________________
"Industry without art is brutality"
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08-01-2009, 07:08 PM
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#10
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Twisted Cameron
Trade:
Concrete, Metal buildings
Join Date: May 2009
Location: Yorkville Il
Posts: 89
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Sawed control joints are more prone to spawling. There is a reason why some guys cut them in while finishing exterior work. But for interior nothing beats the look of a nice tight line from a saw. And by the way Pee Wee They are called control joints to try to control where the concrete cracks.
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08-01-2009, 07:14 PM
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#11
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Framer
Trade:
framing/remodeling
Join Date: Feb 2005
Location: NE Ohio
Posts: 1,001
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Mothers everywhere with broken backs wish they weren't there.
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08-17-2009, 04:18 AM
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#12
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Registered User
Trade:
concrete,landscaping
Join Date: Aug 2009
Location: Aurora,Colorado
Posts: 11
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If it's an honest question then here it goes.
Tooled control joints (that's the name) are there to relieve the stress points and give concrete a place to crack.The old adage it gets hard and cracks is true,so we put them in to follow our way of thinking (crack here).Also if one pays attention the reason for tooled joints (exterior) is freeze thaw.Ever notice how the joint is V'd? When water freeze it expands,it allows the expanssion to move up.
Soft cutting is mostly used interior,most floors cover with something,not all.It makes for a nice clean looking floor,inside wharehouses and such.They are right about one thing,cut as soon as they can get on it.
The long and short of it
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