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Concrete Pool Edging cracking after only a month!


I am writing with a question about our newly poured cantilever edge around our fiberglass pool that was just installed. We have a stamped concrete edge around the pool, the rest of the patio is brushed concrete. The corner of one of the sides of the cantilever edging is already cracked and it extends from the top of the pool, up the corner and then out onto the stamped concrete part, right where it meets the brushed concrete. There are cuts in both the stamped edging and brushed concrete parts but this crack does not follow that path.

I know concrete can be tricky but 30 days seems too short for cracks like this to already be happening. The stamped concrete edging also has numerous fissures in it.

Does Anyone have any experience with this, is this normal? I tried to attach a picture but the file size is too large.

Any help or advice that you can give us would be greatly appreciated!

Re: Concrete Pool Edging cracking after only a month!

Too many possibilities. Quality of the concrete, inadequate or no re-enforcing, not enough expansion joints or saw cuts.

Re: Concrete Pool Edging cracking after only a month!

Call the concrete guy/pool contractor tomorrow morning to discuss the situation. Demand results.

Did you retain any of the money to be paid to the contractor?

Re: Concrete Pool Edging cracking after only a month!

Depends on how the contractor cured the concrete, most likely they are just shrinkage cracks (not structrual cracks). They usually apear if the concrete dries to quickly in the first 30 days. Thats why it is vary important to keep the concrete curing for 30 days.

Re: Concrete Pool Edging cracking after only a month!

Decorative concrete is often not cured in the same manner as plain concrete thus can be more prone to cracks and the like. Corners like you describe are prone regardless of the type of concrete. Was there a control joint(score line) cut in each corner extending back? Often times stamped concrete is poured one day, striped, cleaned and sealed the following day or close to that schedule weather permit. The proper sealer for pool decks-heal and seal deco- will aid in the cure process and protect it from the harshness of the sun down the road. Many of the shrink cracks and micro fissures result from the stamping process in less than ideal conditions(primarily summer heat!)
Good contractors will do their best to minimize that and often forewarn you of the possibilities. In any case, as a previous poser suggested, it is likely more aesthetic than anything else and can be somewhat remedied by your contractor.

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