Driveway crack and rust, how concerned should we be?
Amy10N
2 years ago
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Amy10N
2 years agoRelated Discussions
How to fix a crack in the driveway ... :-)
Comments (10)Thanks all for commenting. Of course we know it's not about "fixing the crack", but more about garden whimsy and perhaps a little encouragement to look differently on whatever seeming defects come up like that wonderful admonition of making lemonade when life gives you lemons. Making the sign on the back of a large iron skillet that my friend passed along is taking more time than making the 'river'. IF it turns out okay I'll post a picture. Happy whimsical gardening!...See MoreCracks in Concrete pavement/Driveway
Comments (4)i dunno about your area, but in mine the drive and the garage floor are 2 different pours and purposely have a gap there. for small cracks you can get a concrete patch that comes in a tube like silicon. for larger cracks you get the dry mix concrete patch and fill them. with either you need to clean out the crack as best you can and apply to dry concrete. if there are any chunks or flakes in the crap, remove them. you WILL see these repairs, the patch will never match the old concrete. if you want hidden repairs, patch it then seal the whole thing with asphalt sealer....See MoreCrack in my granite slab -- should I be concerned?
Comments (7)A properly repaired crack will not be any threat to crack again in a horizontal use situation as long as it's supported properly and that support doesn't shift over time---and it's not an inherently weak stone that is prone to cracking as some of the pricier already mesh reinforced and resined ones are. It will still be visible as a vein in the granite but should be mostly smooth to the touch, similar to a fissure. I wouldn't personally have any fears about installing such a stone in my own kitchen as long as the fabricator was well experienced with epoxy repairs. If you are uncertain, let them repair the slab now before fabrication and see what you think about how it looks. And thoroughly inspect the stone for mesh and resin reinforcing as your choice may be one of the ones that is fragile....See MoreFull depth cracks in brand new concrete driveway
Comments (14)@joseph_corlett Cracking is an inherent characteristic of concrete. The reference you provided is an industry catch-all that makes concrete cracking nobody's fault. The OP's not debating that concrete cracks. She raised the question as to whether sawing control joints six days after placing concrete was appropriate. It is not consistent with best practices as per the Portland Cement Association. Here's their take on cutting control joints: "Joints may also be sawed into the hardened concrete surface. It is important to understand that the longer sawing is delayed the higher the potential for cracks to establish themselves before sawing is complete. This means that any cracks that occur before the concrete is sawed will render the sawed joint ineffective. Timing is very important. Joints should be sawed as soon as the concrete will withstand the energy of sawing without raveling or dislodging aggregate particles. For most concrete mixtures, this means sawing should be completed within the first six to 18 hours and never delayed more than 24 hours." If you want additional details on PCA's recommendations you can click on the link below: https://www.cement.org/learn/concrete-technology/concrete-construction/contraction-control-joints-in-concrete-flatwork#:~:text=Joints%20should%20be%20sawed%20as,delayed%20more%20than%2024%20hours. While we can't say with 100% certainty that sawing the control joints within 24 hours would have prevented all of the cracks, we can say with 100% certainty that sawing them after six days is well outside the recommended timeframe. Further, given that cracking had already occurred by day six, cutting the control joints was like closing the barn door after the horse is out....See MoreAmy10N
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