The short answer
Common Causes of Siding Leaks
Wind-driven rain is a major cause. When rain hits your siding at an angle, it can force water behind the panels. This happens in storms and heavy downpours, especially in areas with strong gusts. Water then runs down the wall behind the siding, finding its way into your wall cavity.
Another cause is improper installation. If the siding isn't overlapped correctly or the nails are placed too tight, gaps can form. Over time, these gaps widen as temperature changes make materials expand and contract. Water finds the path of least resistance through these openings.
Where Water Gets In
The weakest spots are usually at corners, around windows and doors, and where siding meets the roof. These areas rely on flashing and caulk to keep water out. When the caulk dries out or cracks, water can seep in. Flashing that is bent or missing also leaves openings.
Check the bottom edge of your siding. If it sits directly on the ground or touches concrete, it can wick moisture upward. That moisture travels behind the siding and into the wall. Keeping a gap between siding and the ground helps.
- Cracked or missing caulk at joints
- Gaps where siding pieces meet
- Damaged or missing flashing
- Nails that are rusted or popped out
- Siding that touches the ground
- Holes from pests or impact
Signs of Siding Water Damage
Look for water stains on interior walls, especially near the ceiling or under windows. Bubbling or peeling paint on the siding can mean moisture is trapped behind it. You might also see mold or mildew growing on the siding itself. A musty smell inside your home can be a clue.
Check the wood behind your siding if you can access it from the crawlspace or attic. Soft, rotted wood is a clear sign of long-term moisture. If you notice any of these signs, act quickly to prevent further damage.
How to Prevent Siding Water Infiltration
Inspect your siding at least twice a year, especially after storms. Look for cracks, gaps, and loose pieces. Seal any openings with exterior caulk, and replace damaged siding promptly. Keep the bottom of the siding clear of soil and mulch.
Make sure downspouts and gutters direct water away from your walls. Clogged gutters can overflow and soak your siding. Trim trees and shrubs that touch the siding, as they hold moisture and provide a path for water. If you live in North Texas, you know how intense spring storms can get.
If water has already gotten in, a water damage inspection can help you understand the extent. The pros use moisture meters and visual checks to find hidden moisture. That helps you decide what repairs are needed.
- Seal gaps with exterior-grade caulk
- Replace damaged boards promptly
- Keep gutters and downspouts clear
- Maintain a 6-inch gap between siding and ground
- Trim back vegetation from walls
- Inspect after every major storm
What to Do If Water Gets In
If you find water inside your walls, start by stopping the source. That might mean fixing a leaky roof or sealing a gap. Then, remove any wet drywall or insulation to prevent mold. The longer water sits, the more damage it causes.
For large areas of water, you may need emergency water extraction to remove standing water. If the damage is extensive, water-damaged flooring removal might be necessary. The pros can assess the situation and recommend the right steps.
Remember to document the damage for your insurance claim. Take photos and keep receipts. Policies vary, and your insurer decides what is covered.
Talk to someone now
Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.
Call Now (817) 799-6732Frequently asked questions
Can I fix siding water infiltration myself?
Small gaps and cracks you can seal with caulk. But if water has already caused rot or mold, call in the pros. They have the tools to find hidden moisture and do proper repairs. Acting quickly reduces the risk of structural damage.
How often should I inspect my siding?
At least twice a year, and after any severe storm. Spring is a good time in North Texas because of hail and thunderstorms. Look for cracks, gaps, and loose pieces. Early detection saves you from bigger problems later.
Does homeowners insurance cover siding water damage?
It depends on your policy and the cause. Sudden, accidental damage like a storm might be covered, but gradual wear and tear usually isn't. Check your policy and talk to your insurance company. Policies vary, and your insurer decides what is covered.