The short answer
What Happens During High Winds
High winds create strong pressure against the exterior of your home. When wind blows hard, it can push against siding panels, causing them to flex and pull at the fasteners that hold them in place. Over time, nails can loosen, clips can pop out, or the siding itself can crack, especially if it was already aging or had minor damage.
The risk increases if the siding was installed with too few fasteners or if the wood behind it has softened due to moisture. Wind can also catch the bottom edge of a panel and lift it, especially if there is a gap. This is why you might notice loose sections after a storm, even if the siding looked fine before.
Check for Water Damage Behind the Siding
Loose siding can let wind-driven rain enter the wall cavity, leading to moisture problems inside your home. Once water gets behind the siding, it can soak into the sheathing, insulation, and framing. That moisture can cause rot, mold, and further loosening of fasteners, creating a cycle of damage.
After high winds, examine the areas where siding is loose. Look for dark stains, soft spots, or a musty smell that might indicate water has already gotten in. If you find these signs, you may need to address water damage before reattaching the siding, to avoid sealing in moisture.
In a semi-arid climate with cold winters and hot dry summers, the freeze-thaw cycle can also affect siding integrity, so it is wise to check for any existing moisture issues.
- Inspect for cracked or broken panels
- Look for gaps between siding and wall
- Check if nails are pulling out
- Feel for soft or damp areas
- Look for stains or discoloration
- Note any peeling paint or warping
How to Secure Loose Siding
If the siding is only slightly loose and the underlying material is sound, you may be able to refasten it yourself. Use corrosion-resistant nails or screws designed for exterior siding. Place new fasteners near the original ones, making sure to drive them into solid framing. Avoid over-tightening, which can crack the siding.
For larger sections or if the siding is warped or rotten, replacement may be necessary. Remove the damaged pieces carefully and install new siding that matches the existing style. If you are unsure about the right approach, a local water damage pro can assess the situation and recommend proper repairs.
Remember to also check the flashing and seals around windows and doors, as these areas are common entry points for water after wind damage.
When to Call a Water Damage Pro
If you suspect water has entered the wall cavity, it is wise to have a professional inspection. A water damage inspection can identify hidden moisture and structural issues that are not visible from the outside. The pros use moisture meters and thermal imaging to find damp areas behind walls, which helps prevent mold and rot.
If water has already soaked into drywall or insulation, you may need structural drying or even removal of water-damaged materials. Acting quickly is important because moisture can spread within hours, leading to more extensive and costly repairs. The pros can also help with drying and dehumidification to reduce the risk of mold growth.
Even if the siding itself is the main issue, a professional can ensure that the repair is done correctly and that no water damage is left hidden.
Prevent Future Wind Damage
After repairs, you can take steps to make your siding more resistant to high winds. Check that all panels are securely fastened and that there are no gaps where wind can catch. Trim overhanging branches that could break and strike the siding during storms. Also, consider installing storm shutters or reinforcing the siding with additional clips if you live in a windy area.
Regular maintenance, like repainting and sealing edges, can help keep siding strong and less likely to loosen. Keep an eye on your siding after any severe weather, and address small issues before they become big ones. A quick check after each storm can save you from more extensive repairs later.
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Call Now (208) 729-2441Frequently asked questions
Can I just nail the loose siding back myself?
Yes, if the siding is intact and the wall behind it is solid. Use exterior-grade nails or screws and drive them into the framing. But if the siding is cracked, rotten, or water has gotten behind it, you may need to replace it or address moisture first. When in doubt, have a professional inspect.
How do I know if water got behind the siding?
Look for signs like dark stains, soft spots, or a musty odor inside the home. You can also check the interior walls for bubbling paint or drywall. If you suspect water intrusion, a moisture mapping service can help identify damp areas without tearing everything apart.
Will my insurance cover the repair?
Policies vary, and your insurer decides what is covered. Wind damage is often covered under homeowners insurance, but it depends on your specific policy and the cause of the damage. Review your policy documents and contact your insurance company to ask about your coverage and the claims process.