Asphalt Pumping – Water Intrusion At Its Worst!

Page 3 – Picketts Paving LLC
May 12, 2022 at 8:49 AM

When most people think about water intrusion, the first thing that comes to mind is a rainstorm or melting snow that leads to water seeping into their homes through cracks in the foundation. However, there are other ways for water to get into your home, and one of the most insidious is through your asphalt driveway!

Believe it or not, if your driveway isn’t properly sealed and maintained, groundwater can work its way underneath over time and cause all sorts of problems. You will have a mess on your hands and could end up with structural issues!

Water Bleeding and Asphalt Pumping

Water bleeding is when water from underneath your asphalt driveway seeps through to the surface. It is most likely to happen in the springtime, as the freeze/thaw cycle causes changes in pressure that force water up through any cracks or weak spots in your driveway.

Asphalt pumping is when this water-saturated asphalt is pushed up through these same cracks or weak spots, creating small bumps or “pumps” on the surface of your driveway. It is unsightly and dangerous as it creates trip hazards.

What Causes Water Intrusion?

Several factors can contribute to water intrusion. The good news is that these causes are typically preventable with regular maintenance. Let’s look at what these causes are:

Poor Drainage – A Common Culprit

The most widespread cause of water intrusion is improper drainage. If your driveway is not sloped correctly or something is blocking the drainage system (such as leaves or debris), water will pool on the surface and seep into any cracks. Once the water freezes, it expands and creates even more pressure, causing more cracking and allowing more water to seep in.

Failed Paving Design – Lack of Compaction

A failed paving design can also be to blame. If the base of your driveway is not compacted correctly, it will settle over time and leave gaps for water to seep through. It is prevalent in areas with high rainfall or snowfall. Factors that contribute to poor compaction include:

• The type of soil
• The amount of traffic
• Improper installation

Improperly installed gutters can also contribute to water intrusion as they can direct water onto your driveway instead of away from it.

Poor Material Quality – Shoddy Workmanship

Of course, poor material quality or shoddy workmanship can also cause water intrusion. If the asphalt is not mixed correctly or the wrong type of asphalt is used, it will be more susceptible to water damage.

If you suspect that water intrusion is causing problems with your driveway, it is vital to have it inspected by a professional as soon as possible. They will be able to apply the following solution:

Soil Stabilization

The best way to prevent water intrusion is to have your driveway professionally installed by a company specializing in soil stabilization. It will ensure that your driveway is compacted correctly and will not settle over time.

Sump Pumps Remediation

Sump pumps are devices installed in the lowest part of your home to remove water accumulated there. If you have a sump pump, it is crucial to have it regularly serviced to ensure that it is working correctly.

French Drain Installation

A French drain redirects water away from an area. French drains can be installed around the perimeter of your home or in specific areas where water tends to accumulate.

Bottom line:

A stable foundation is crucial to the longevity of your home. Water intrusion can cause significant problems if it is not dealt with promptly.

Luckily, seal coating your asphalt can help to prevent water intrusion. Pickett’s Paving LLC in Tomah, WI, has worked with asphalt pavements for years.

We offer seal coating services to help you protect your investment. Contact us today for a free estimate!

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