Roof Leak: What to Do First, Safety and When to Call a Pro
A roof leak usually shows up after heavy rain, snow melt or a storm. Acting quickly can limit the damage inside your home. This guide covers what to do first, how to stay safe, what to avoid, and when it makes sense to bring in a local roofing professional. LocalRepairLine is a referral service, not a contractor, and this is general information, not a substitute for a professional inspection.
Safety first
Do not climb onto a wet, icy or damaged roof, and don't use a ladder in rain or wind. If water is near light fixtures, outlets or the electrical panel, stay clear and consider switching off power to that area at the breaker if you can do so safely. If a ceiling is sagging or bulging with water, keep people out of that room.
Signs of a roof leak
- Brown or yellow stains on ceilings or walls, especially after rain.
- Dripping, damp insulation or a musty smell in the attic.
- Missing, curled or cracked shingles visible from the ground.
- Shingle granules collecting at the base of downspouts.
- Light showing through the roof boards in the attic.
- Peeling paint or bubbling wallpaper near the ceiling.
What to do first
- Protect the inside. Move furniture and valuables away, and place a bucket under the drip. A small hole in a bulging ceiling stain can relieve trapped water, but only if it's safe to stand there.
- Limit water spread. Lay towels or plastic sheeting and open a window or run a fan to help air circulate once the rain stops.
- Take photos and notes. Record the stain, the date and the weather. Photos help when you speak to a roofer or check your policy.
- Check the attic from the inside. If it is safe, look for the wettest spot and any daylight coming through. The entry point on the roof is often some distance from the stain.
- Arrange a repair. A temporary cover is only a short-term measure, so plan for a proper repair.
What not to do
- Do not walk on the roof during or right after rain, snow or ice.
- Do not rely on a tarp that you can't secure safely. A loose tarp can blow off or trap water.
- Do not ignore a small stain. Hidden moisture can lead to mold and rot.
- Do not use caulk or sealant on a wet roof as a lasting fix.
Common causes of roof leaks
- Damaged, missing or aged shingles.
- Worn flashing around chimneys, vents, skylights and valleys.
- Water backing up at the roof edge when drainage is blocked.
- Ice buildup at the eaves in cold weather.
- Cracked vent boots or exposed nails.
If a storm caused the damage
- Photograph the damage before any cleanup and keep damaged materials until you know what your policy requires.
- Read your own homeowners policy or ask your insurer how it handles roof damage, since terms differ.
- Keep receipts for any emergency steps you take.
What to tell the roofing pro
- Where you see the leak inside and when it started.
- The age and type of the roof, if you know them.
- Whether there was a recent storm, heavy snow or ice.
- What you have already done to limit the water.
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