The short answer
Roof Problems
Rain-driven water finds the weak spots in your roof. Missing shingles, cracked flashing, or deteriorated seals around roof penetrations let water in. Over time, small gaps widen as water and wind work on them.
The water then runs down roof decking and along rafters before it drips onto your ceiling. That means the stain you see may not be directly under the hole. The pros check the entire roof slope and the attic for clues.
If you have an attic, look for wet insulation, dark trails on wood, or daylight showing through the roof sheathing. These signs help narrow down the entry point before any repair work begins.
- Inspect shingles for curling, cracking, or missing pieces
- Check flashing around chimneys, skylights, and vents
- Look for rusted or lifted nails on the roof surface
- Examine valleys where two roof slopes meet
- Notice any daylight through the roof from the attic
Gutter and Downspout Issues
Clogged gutters force rainwater to back up under the roof edge. When gutters overflow, water can seep behind the fascia and drip into the ceiling cavity. Leaves, twigs, and granules from old shingles often cause the blockage.
Downspouts that empty too close to the foundation can also push water back up under siding. Check that downspouts direct water at least a few feet away from the house. In wet climates, this check is worth doing before the rainy season.
Cleaning gutters twice a year, especially after heavy leaf fall, prevents most overflow problems. You can do this yourself or ask a roofer to handle it while they inspect the roof.
- Clear leaves and debris from gutters and downspouts
- Ensure downspouts extend away from the foundation
- Check for sagging gutters that hold water
- Look for gaps between gutter sections
- Inspect gutter hangers for loose or broken attachments
- Confirm gutter slope directs water toward downspouts
Window and Siding Leaks
Rain can enter through gaps around windows or where siding meets the roof. Improperly installed or failed window flashing lets water run behind the siding and down into the wall, then into the ceiling below. This often shows up as a stain near an exterior wall.
Check the caulking and seals around windows on upper floors. Also look at the joint where a lower roof meets an upper wall, a common spot for leaks. Water may travel along the wall plate before dripping onto your ceiling.
- Inspect caulk and seals around window frames
- Look for gaps in siding joints
- Check the step flashing where a roof meets a wall
- Note any cracked or missing mortar on brick walls
- Look for stains on walls near the ceiling
Ice Dams in Winter
In cold spells, ice dams can form at the roof edge. They block melting snow and push water back under the shingles. This is more common in snowy climates, but wet winters with freezing conditions can also cause them.
Ice dams happen when heat from the attic melts snow unevenly. The water refreezes at the cold eave, creating a dam. The resulting backup can soak through the roof and drip from your ceiling. Improving attic insulation and ventilation helps prevent this.
If you see icicles hanging from the eaves, that is a warning sign. Removing snow from the roof edge with a roof rake can break up the dam before water backs up.
- Look for icicles at the eaves
- Check attic insulation for even coverage
- Ensure attic vents are open and clear
- Use a roof rake to remove snow from the edge
- Inspect for water stains near exterior walls
When to Call the Pros
Some leaks are simple to fix, like clearing a gutter. Others require work on the roof, flashing, or siding. If you cannot find the entry point or the leak persists after basic fixes, it is time to involve the pros.
Roof work can be dangerous, and a missed leak source can lead to structural damage. The pros can perform a thorough inspection, find the exact entry point, and handle repairs to the roof or ceiling. They also dry out any soaked materials and address mold concerns.
- Use a moisture meter to find hidden wet spots
- Check attic for mold or mildew growth
- Document the leak with photos and dates
- Move furniture away from the affected area
- Place a bucket under the drip to catch water
Talk to someone now
Phones are answered 24/7 for Redmond and nearby communities.
Call Now (425) 407-5186Frequently asked questions
Why does the leak only happen during heavy rain?
Light rain may not push water through small gaps, but heavy rain tests every weak point. Wind-driven rain also forces water into areas that stay dry in a drizzle. The amount of water and wind pressure matters, so leaks often appear only during storms.
Can a leak from rain cause mold?
Yes. Any moisture that lingers in ceiling materials can support mold growth. You may notice a musty smell or dark spots within days. If you suspect mold, see a doctor if you feel unwell, and consider a mold professional for safe removal.
Will my insurance cover a rain leak?
Policies vary, and your insurer decides what is covered. Coverage depends on your policy and the cause of the leak. Sudden damage from a storm may be covered, while long-term wear from poor maintenance might not be. Check your policy and talk with your insurer to understand what applies to your situation.