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Uneven Pool DeckSigns of Concrete Failure
Your pool is an area of your home where relaxation and fun should be on your mind - not an uneven or cracked pool deck. Settling pool decks often result from being installed over soil that was not tightly compacted. Over time, the backfilled soil compresses and the pool deck above begins to settle, creating unlevel concrete and the problems it brings.
Why do pool decks settle and sink?
An uneven pool deck is more than just an eyesore; it can pose significant trip hazards, especially for children, putting you at risk of liability for accidents. Not only that, but an uneven pool deck also reduces the appeal of a home, potentially causing problems when it comes time to sell.
Look for unlevel concrete slabs, or cracks forming on a single slab or across multiple ones.
How did this happen?
Damage to your pool deck can develop immediately following construction due to the presence of weak fill soil, or it may happen years later as changes occur within the soils. Either way, sunken, uneven concrete often indicates a problem with the soil underneath. So, what causes these concrete issues?
Changes in soil moisture
Once concrete hardens, it seems strong and permanent. However, properties of the soil under the concrete can change over time due to wet and dry weather cycles. Different types of soils — especially clay soils — absorb and retain water and expand. When dry conditions occur, clay soil shrinks This expansion and contraction of soil causes movement of the overlying slab, which may also lead to cracking and faulting of the concrete.
Flowing water adjacent to or beneath a concrete pool deck can erode or wash away the supporting soil. Washout can be caused by plumbing leaks, heavy rains, poorly placed downspouts or a variety of other reasons. Without soil to continuously support the concrete, it is at risk of sinking, settling and cracking over time.
Poorly compacted fill soil
During the construction of an in-ground pool, dirt is first excavated to create space for it. Some of dirt is then replaced around the perimeter of the constructed pool shell. This dirt is known as fill soil or backfill. The concrete pool deck is then poured directly on this fill soil. So, if it was poorly compacted — and it often is — backfill will compress over time, creating a void under the deck. With nothing to support it, the concrete can often crack, break and settle into the void.
Why fix your concrete problems now?
- Concrete problems only get worse over time. Hoping, praying and putting them out of your mind won’t reverse the symptoms and make the situation better.
- They only get worse, concrete problems will never be less expensive to fix than they are today.
- This is your home we’re talking about. It’s likely your single biggest investment. Do you really want to reduce its curb appeal and lower its value by letting your concrete deteriorate?
The Real Estate Seller Disclosure Act requires foundation repair needs to be disclosed to potential home buyers. Realtors tell us they are forced to discount homes with foundation structural defects 10-20% to make a sale. What is your home worth in today's market? Imagine losing that much money from your home's value by not permanently fixing your foundation!