Why Is My Roof Streaky? Here’s What You Need to Know

If you’ve noticed black streaks, moss, or patches of discoloration on your roof, you’re not alone. These stains are common and may seem like a minor issue at first, but they can lead to bigger problems if ignored.

The most common cause of roof streaking is algae, specifically, a type called Gloeocapsa magma. It spreads through airborne spores and tends to thrive in warm, humid environments. Once it lands on your roof, it starts to grow, especially on shaded areas where moisture hangs around. Over time, you might also see moss or lichen, which can cause even more damage by holding moisture against the surface of your shingles.

These growths aren’t just cosmetic. Algae and moss can wear down your roofing materials, shorten the life of your shingles, and in some cases, lead to leaks or water damage. That’s why regular roof cleaning is important.

So, what’s the best way to clean your roof? It’s not a job for a pressure washer. In fact, using high-pressure water can damage your shingles and lead to costly repairs. Professional roof cleaners use a method called soft washing, which combines low-pressure water with specially formulated cleaning solutions that safely remove algae, moss, and dirt without harming your roof or surrounding landscaping.

A proper roof cleaning usually takes just a few hours and can dramatically improve the look and health of your roof. It also gives a roofing professional the chance to inspect for other potential issues like cracked flashing, loose shingles, or clogged gutters that could cause problems later.

It’s also important to pay attention to any warning signs that there might be a deeper issue. If you notice a musty smell in your attic, signs of water damage on your ceiling, or poor ventilation, there may be moisture getting inside. That could mean your roof needs more than just a cleaning. It might be time to check insulation, repair parts of the roofing structure, or even have the roof replaced. 

Having your roof inspected and cleaned at least once a year, especially in the spring or early summer, is a smart habit. It helps catch small issues before they become bigger problems, protects your home, and keeps your roof looking its best.

And remember, roof work can be dangerous. Between the height, the angle, and the risk of damaging your shingles, it’s not something you want to tackle on your own. Always call a licensed professional who has the right tools, training, and safety equipment to get the job done right.

Your roof is a big part of what keeps your home safe and dry. A little regular care goes a long way in keeping it that way.

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit http://www.odonnellbros.com. Advice is for guidance only.

Give Windows a Spring Clean

Window washing is a dreaded task that most homeowners don’t bother doing it. But there is nothing like clean glass to help bring the outdoors in and make your house feel really clean. If it has been a while since you gave your windows some love, here are ten of my favorite tricks, tips, and hacks to simplify the job and get your glass gleaming again.

1. Never clean windows when it’s too cold or too warm. A cloudy, overcast day is your best bet for this job. 

2. Instead of relying on reams of paper towels, stop into your local hardware store and grab an eight-inch squeegee for those small panes. They make the job a lot easier with much less waste.

3. Don’t forget to wipe your squeegee blade between swipes to remove access cleaning solution and dirt. Otherwise you’ll just be spreading it around.

4. Here is a great DIY window cleaning solution. Combine one cup of hot water and one cup of white distilled vinegar. Mix in a spray bottle and there you have it. For very grimy windows, clean with hot soap and water first, followed by the vinegar mixture for a nice shine. 

5. To get rid of really pesky streaks, use a dryboard eraser. Unlike paper towels, an eraser can do away with streaks without leaving lint behind. 

6. If you really hate washing windows, take an extra step, and apply a window protectant. The clear polymer coating will help protect the glass from dust, dirt, and grime for longer. 

7. Hard water spots can be tough to remove with a regular window cleaner. A dryer sheet will do the trick, just buff in circular motions. It works on mirrors and shower doors too. 

8. Caterpillars love building nests in window tracks. Clean them out with a thin screwdriver and then follow up with a firm, toothbrush-sized bristle brush. 

9. Hate cleaning blinds? Wrap a pair of kitchen tongs in two microfiber cloths and secure them with an elastic band on either side. Run the tongs between each slat to remove dust and pet dander. 

10. Have a can of WD-40 in the garage? A quick coat on freshly cleaned window sills will prevent dirt and grime from sticking.

If you swear that this round of window washing will be your last, consider upgrading to vinyl windows. The seamless, tilt-in design makes them so easy to clean and they are energy efficient too. It’s one of the best upgrades you can make to your home to save both time and money in the long run. 

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visithttp://www.odonnellbros.com. Advice is for guidance only.

10 Easy Tips To Keep Windows Clean and Streak-Free

Window washing is such a dreaded task that most homeowners don’t bother doing it. But there is nothing like clean glass to help bring the outdoors in and make your house feel really clean. If it has been awhile since you gave your windows some love, here are ten of my favorite tricks, tips, and hacks to simplify the job and get your glass gleaming again.

1. Never clean windows on a hot day. The glass will heat up, causing your washing solution to dry on the panes faster than you’ll be able to wipe it off. A cloudy, overcast day is your best bet for this job. 

2. Instead of relying on reams of paper towels, stop into your local hardware store and grab an eight-inch squeegee for those small panes. They make the job a lot easier with much less waste.

3. Don’t forget to wipe your squeegee blade between swipes to remove access cleaning solution and dirt. Otherwise you’ll just be spreading it around.

4. Here is a great DIY window cleaning solution. Combine one cup of hot water and one cup of white distilled vinegar. Mix in a spray bottle and there you have it. For very grimy windows, clean with hot soap and water first, followed by the vinegar mixture for a nice shine. 

5. To get rid of really pesky streaks, use a dry board eraser. Unlike paper towels, an eraser can do away with streaks without leaving lint behind. 

6. If you really hate washing windows, take an extra step, and apply a window protectant. The clear polymer coating will help protect the glass from dust, dirt, and grime for longer. 

7. Hard water spots can be tough to remove with a regular window cleaner. A dryer sheet will do the trick, just buff in circular motions. It works on mirrors and shower doors too. 

8. Caterpillars love building nests in window tracks. Clean them out with a thin screwdriver and then follow up with a firm, toothbrush-sized bristle brush. 

9. Hate cleaning blinds? Wrap a pair of kitchen tongs in two microfiber cloths and secure with an elastic band on either side. Run the tongs between each slat to remove dust and pet dander. 

10. Have a can of WD-40 in the garage? A quick coat on freshly cleaned window sills will prevent dirt and grime from sticking.

If you swear that this round of window washing will be your last, consider upgrading to vinyl windows. The seamless, tilt-in design makes them so easy to clean and they are energy efficient too . It’s one of the best upgrades you can make to your home to save both time and money in the long run. 

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to info@odonnellbros.com with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit http://www.odonnellbros.com. Advice is for guidance only.