To avoid these ads, REGISTER NOW!

What can I do to prevent these cracks

bfr57

Well-known member
Joined
May 31, 2013
Messages
133
I have a fairly new slab that I haven't even worked on hard yet; still setting up and getting power pulled. The slab was saw cut for reliefs, but I have a few places doing this. Is there something I can do to stop this from happening?
 

Attachments

  • IMG_20140302_174415_106.jpg
    IMG_20140302_174415_106.jpg
    145.6 KB · Views: 209
To avoid these ads, REGISTER NOW!

Rookie2

Well-known member
Joined
Feb 27, 2013
Messages
1,925
Location
Western Pa.
that looks like chips from the back side of the saw blade. i have a few from trying to steer the saw .
 

rburke65

Well-known member
Joined
Nov 10, 2007
Messages
12,349
Location
Canfield, Ohio
No expert here, but it just appears to be that the saw blade caught a piece of aggregate near the surface and caused it to rip out rather than being cut.
 

LegacyIndustrial

ALLIANCE MEMBER
Joined
Jun 7, 2010
Messages
7,994
Location
deerfield, IL
If you really want to silence them. Grind the cuts with a v-groove grinding blade, tape off both sides and fill with Epoxy Gel Crack Filler.

The sides of that cut are weak and if you roll over consistently, especially with a steel-wheeled jack, they will continue to break.
 
To avoid these ads, REGISTER NOW!

brownbagg

Well-known member
Joined
Mar 20, 2006
Messages
5,208
thy should of use a soft cut blade and cut within eight hours of placement
 

jocool1585

Well-known member
Joined
Nov 23, 2008
Messages
142
thy should of use a soft cut blade and cut within eight hours of placement

What he said - Soff-Cut with joint protectors at the 90* intersections. Looks like someone cut really late and used a cured concrete blade.
 

bans25

Active member
Joined
Mar 16, 2007
Messages
38
Location
Dover, NH
If you really want to silence them. Grind the cuts with a v-groove grinding blade, tape off both sides and fill with Epoxy Gel Crack Filler.

Where would one find av-groove grinding blade for concrete and the epoxy gel?
Also would the epoxy gel be ok not being topcoated?
 
To avoid these ads, REGISTER NOW!
Top Bottom