Wind-Driven Rain – The Invisible Foe

Battling the Invisible Foe: Wind-Driven Rain

Rain is a familiar foe when it comes to roof and general home maintenance. We’ve all experienced the heavy downpours that test the integrity of our roofs, windows, and skylights. However, one of the more elusive and insidious threats homeowners face is wind-driven rain. Unlike regular rainfall, wind-driven rain doesn’t just fall—it’s propelled by strong winds that can push water into places it would never naturally reach, leading to unexpected and often hidden leaks.

What is Wind-Driven Rain?

Wind-driven rain occurs when heavy winds push rain horizontally, causing it to penetrate through small cracks, gaps, and openings that would typically be impervious to vertical rainfall. This phenomenon is especially common during storms and hurricanes, where the combination of heavy rain and powerful winds can wreak havoc on a building’s exterior.

In the winter months, wind-driven snow adds an extra threat as snow can become packed inside these openings, leading to a delayed leak as the trapped snow eventually melts, leaving water to seep into the home well after the storm has passed.

How Does Wind-Driven Rain Cause Leaks?

1. Roof Vulnerabilities: Traditional rainfall relies on gravity and the sloped nature of roofs will naturally guide water away from your home. But when rain is driven by the wind, it can be forced under roof shingles, around roof flashing, and through roof vents. Over time, even small amounts of water can cause significant damage, leading to leaks that appear inside your home.
2. Window and Door Weaknesses: Windows and doors are designed with seals to keep water out. However, when rain is driven horizontally, it can breach these seals. Water can seep into the edges of windows and doors, leading to water damage, mold, and structural issues.
3. Siding and Wall Penetration: Siding is meant to protect your home from the elements. However, wind-driven rain can penetrate through seams, joints, and small cracks in the siding. Over time, this can lead to water infiltration into the walls, causing insulation damage, rot, and mold growth.
4. Foundation and Basement Issues: If wind-driven rain is directed towards the ground, it can pool around the foundation of your home. Water can then seep through foundation cracks or enter basement windows, leading to flooding and water damage in areas that are often challenging to repair. Additionally, moisture in the basement can create a hazard for the roof as water evaporates and travels into attics, which can result in voided warranties for the roof itself.

Preventing Wind-Driven Rain Damage

1. Roof Maintenance: Regularly inspect or have your roof inspected for damaged or missing shingles, and ensure that flashing is properly installed and intact. Consider using wind-resistant roofing materials if you live in an area prone to storms.
2. Seal Windows and Doors: Check the seals around your windows and doors. Replace weatherstripping and use caulk to seal any gaps. Installing storm shutters can also provide an extra layer of protection during severe weather.
3. Siding Inspection: Regularly inspect and maintain your siding. Look for any cracks, gaps, or areas of weakness. Applying a water-resistant sealant can help to protect against wind-driven rain.
4. Foundation Protection: Ensure that your gutters and downspouts are functioning correctly and directing water away from your home’s foundation. Address any drainage issues in your yard that could lead to water pooling near your home.
5. Upgrade and Reinforce: For those in storm-prone areas, consider investing in wind-resistant windows, doors, and roofing materials. These can provide significant protection against wind-driven rain and other storm-related damages.

Conclusion

Wind-driven rain is an often-overlooked threat that can lead to significant and unexpected water damage. By understanding how it works and taking proactive steps to protect your home, you can safeguard against its hidden dangers. Regular maintenance, proper sealing, and upgrading vulnerable areas can go a long way in keeping your home dry and secure during even the most intense storms.

Leak Stoppers offers a full range of services to help deal with wind-driven rain and other leak related issues quickly to ensure your home or building is in optimal operating condition. We carry an inventory of many roofing components to help ensure these kinds of repairs are able to be performed as promptly as possible to prevent further damage.

For more information or to schedule a repair or inspection, call the experts at Leak Stoppers today at 631-669-1570 or click here to fill out our online contact form!