Your chimney flashing may be out of sight, but it should never be out of mind. When it’s damaged or worn out, there’s a clear path for rain to seep into your home, leading to mold, rotting wood, and even costly structural repairs.
The good news? Checking for chimney flashing issues doesn’t have to be complicated or dangerous. In this post, we’ll walk you through simple, effective ways to spot potential problems so you can avoid expensive surprises.
The “What” and “Why” of Chimney Flashing
This thin layer of metal or other durable material seals the gap between your chimney and the rest of the roofing system.
Its main job is to keep water out. Without it, rainwater could easily run down the chimney and into your home, causing leaks, mold, and damage to the roof and structure.
Over time, chimney flashing can wear down due to weather conditions, like rain, snow, or even high winds. If the flashing is damaged or poorly installed, it opens the door to costly issues.
For homeowners in areas that experience frequent storms, the risks are even higher, making it crucial to check your chimney flashing regularly.
Safely Inspecting Chimney Flashing from the Ground
You don’t need to climb up on your roof to check your chimney flashing. In fact, inspecting from the ground can be just as effective and much safer. Here are some simple steps to get started:
- Use binoculars and stand a good distance away from your house to get a closer look at the flashing around your chimney. Look for obvious signs like rust, gaps, or cracks.
- Check indoors by walking around the rooms closest to your chimney, especially the attic, if possible. Look for water stains on the ceiling or walls near the chimney.
- After heavy rain, check your chimney area from the inside for any signs of leaks or dampness. Sometimes, a problem with the flashing only becomes obvious when water finds its way inside.
Key Signs Your Chimney Flashing Needs Repairs
While it’s normal for chimney flashing to age over time, there are a few clear signs that repairs are needed. Always watch for:
- Rust or corrosion: If you see any rust spots or corrosion on the metal flashing, it’s a sure sign that water is making its way through. Rust weakens the material and can lead to more significant damage.
- Gaps or loose flashing: Sometimes, flashing can come loose or pull away from the chimney, leaving gaps for water to slip through. Even a small gap can cause major issues if left unattended.
- Water stains: Stains on your ceiling or walls, especially near the chimney, are a red flag. This indicates that water is making its way past the flashing and into your home.
- Cracked caulking or sealant: If the sealant or caulking around the flashing looks cracked or worn, it’s time to repair or replace it. The sealant helps keep the flashing watertight, so any damage to it can allow leaks.
These are the most common signs, and catching them early can save you from bigger problems down the road.
Other Important Chimney Maintenance
While you’re checking your chimney flashing, it’s a good idea to stay on top of other chimney maintenance tasks.
- Inspect the chimney cap: The chimney cap prevents debris and animals from getting inside. Make sure it’s intact and securely fastened.
- Clear away debris: Leaves, twigs, and other debris can collect around the chimney and flashing, potentially trapping moisture. Keep the area clean to avoid this issue.
- Check for creosote buildup: If you use your fireplace regularly, creosote can build up inside the chimney. A professional cleaning once a year can prevent blockages and reduce the risk of a chimney fire.
When to Call a Professional
Regular inspections of your own flashing can be helpful, but there are times when you need to call in a professional.
- Visible damage: If you notice significant rust, gaps, or missing sections of flashing, it’s time to get a professional opinion.
- Recurring leaks: If you’ve noticed leaks that keep coming back even after repairs, there may be a larger issue with the flashing or surrounding roof.
- Difficulty accessing the chimney: If you have trouble getting a clear view of your chimney or flashing from the ground, or if your roof is steep, a professional inspection will ensure no problem areas are missed.
On average, minor chimney flashing repairs can cost a few hundred dollars, while more extensive work or full replacements may run higher. While that might sound like a lot, catching issues early saves you from even more expensive repairs, like roof or structural damage.
Conclusion
It’s easy to forget about your chimney flashing—until it starts causing problems. The good news is that catching signs of damage early can save you a lot of hassle and money. If you ever notice something doesn’t look quite right, don’t wait to address it.
Need peace of mind? Schedule an inspection with our team of professionals at Ace Preferred Inspections to help you keep your home protected.
