Hi. July of 2010 we had a contractor come in and remove and replace part of our driveway/sidewalk as it had deterioated. Within the first couple of weeks upon completion I had to call the contractor back to redo one area and with in 5 months, the portion that they replaced has cracked, chipped and is breaking apart in pieces.
My question is, why would this be happening?? Poor craftmanship or poor concrete?
What are the contractors responsibilites?
The pic I have attached is what I sent to the contractor in April and is now in worse condition.
Hi Laura! Well from looking at your picture there your issue looks like there is no expansion joint up against what appears to be a wall or post? Concrete likes to move with frost and another possiblity is this an area that recieves alot of water? If the water is falling and staying in that area perhaps a gutter over the wall parallel to it will help. Hard to see from the pic but that is my guess. Especially no expansion joint in between the new work and the wall. Could be a bad batch of concrete but I would be leaning towards no expansion joint from what I can see in the picture. Hope that helps, Good luck!
Thank you for the quick reply, there is a gutter extended over this site for run off, it flows out onto the lawn which is sloped away from the house. The pic I sent is of only one area this is happening two, there are actually three, along the garage/house.
Contractor says he will be here tomorrow, we will run the expansion jt question to him.
When joining new concrete to old, you either have to use pins to ensure they are attached or has suggested you should use a fibrous, compressible, flexible board between the two.
Kingsway Construction Inc
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