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Hail Damage to Gutters Siding and Windows Explained

Last updated October 25, 2026

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The short answer

What Hail Does to Gutters

Hailstones can dent or puncture aluminum and vinyl gutters, especially during a severe storm. A small dent may not leak right away, but a puncture or a knocked-down section can channel water against your foundation or into your eaves. That can lead to rot and interior moisture problems.

Check your gutters after a hailstorm. Look for dents, cracks, or sections that have pulled away from the roofline. If you spot damage, keep an eye on the area during the next rain. You may need a roofer or a gutter professional to repair or replace the affected sections.

Siding Damage from Hail

Hail can crack, chip, or dent vinyl, wood, or fiber-cement siding. Even if the siding looks only cosmetically damaged, the impact can compromise its ability to keep water out. Cracks or holes allow rain to reach the sheathing and insulation behind the siding, which can lead to mold and rot.

Inspect your siding from the ground and from upper windows if safe. Look for cracks, holes, or areas where the siding has shifted. If you find damage, you may need a siding contractor to replace the affected panels. Water that gets behind siding can travel down walls, so address it quickly.

  • Look for cracks, chips, or dents in all siding types
  • Check for gaps where siding meets windows or corners
  • Feel along the wall for soft or spongy spots
  • Note any stains or discoloration that suggest water entry
  • Take photos of damage for your records
  • Keep an eye on the interior walls for new stains

Window Damage and Water Entry

Hail can crack or shatter window glass, and even a small crack can let water inside. Water can also seep through damaged window seals or frames. Once water enters a window, it can soak the framing, drywall, and insulation, leading to mold and structural issues.

If a window is cracked, you can temporarily cover it with plastic or plywood to keep rain out. But you should arrange for a window replacement soon. A professional can assess the frame and surrounding wall for hidden water damage before installing new glass.

Hidden Water Damage Inside Walls

Hail damage to the exterior of your home can allow water to enter without obvious signs inside. Water can travel along studs and sill plates, soaking insulation and drywall. Over time, this can cause wood rot and mold growth, which are costly to fix.

If you suspect water has entered your walls, call local water damage pros for a thorough inspection. They have moisture meters and infrared cameras to detect dampness behind walls. Catching hidden damage early can save you from bigger repairs later.

  • Musty odors near walls or windows
  • Soft spots on drywall or baseboards
  • Stains or bubbling paint on interior walls
  • Warped or buckled flooring near exterior walls
  • Visible mold or mildew in corners
  • Increased humidity in the room

Steps to Take After Hail Damage

Start by documenting the damage with photos and notes. This helps you when you talk to your insurance company. Then, prevent further water entry by covering broken windows and damaged gutters with temporary patches if you can do so safely.

Check your policy to understand what is covered. Policies vary, and your insurer decides what is covered. Then, contact a local water damage inspection service to assess the extent of the damage. They can help you prioritize repairs and dry out affected areas.

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Phones are answered 24/7 for Kirkland and nearby communities.

Call Now (425) 406-3256

Frequently asked questions

How can I tell if hail damaged my gutters?

Look for dents, cracks, or sections that have pulled away from the roofline. Run water through the gutters with a hose if safe, and watch for leaks at joints or along the bottom. If you see water dripping, you likely have a puncture or a failed seal.

Should I fix a cracked window myself?

A temporary cover like plastic or plywood can keep rain out for a short time. But a proper window replacement is a job for a professional. They can ensure the new window is sealed correctly and inspect the surrounding wall for hidden water damage.

Can hail damage cause mold inside walls?

Yes. If water enters through damaged siding, gutters, or windows, it can soak insulation and drywall. Mold can develop within 24 to 48 hours in damp conditions. If you notice a musty smell or see stains, call a water damage pro to inspect and dry the area.

Call Now (425) 406-3256