Maintain home value: Are you planning on selling your home soon? A properly replaced roof is more likely to appeal to potential buyers, while a poorly replaced roof may negatively affect your home value.So, once you use this strategy, you must tear off both roof surfaces during your next roof replacement. The maximum layers of shingles allowed to be on the roof, according to most building codes, are two. Reduce long-term costs: By removing the old roof, you keep the opportunity to double-up roof layers during your next roof replacement.There are many benefits of removing the moss-covered shingles, including: While you may not necessarily have to remove the moss-covered shingles before a new roof installation, you should consider it. If your moss has dried out, take the opportunity to have a roofer remove the moss from the roof. All it will take is one rain for it to recover and continue growing. However, some species of moss can stay alive when dried out for months. If the weather has been consistently dry, moss may appear to be dead. Read Also: How To Make A Flat Roof What If The Moss Appears Dead They may be able to do the work for you and, if not, may have recommendations about what your specific roof can benefit from. A handful of roofers in areas where moss infections are common do specialize in removing moss. If youre in doubt about the safety or effectiveness of a moss removal method you want to try, consult with a professional roofer. Using any of these methods may also void your limited warranty on the roof. Using harsh chemicals: High concentrations of bleach and other chemicals may do permanent damage to the shingles, increasing your risk for leaks.Never use a pressure washer or a pressurized stream of water on your roof. Any amount of pressure washing can cause serious problems with the roof, including major leaks. They also can strip asphalt shingles of their granule surface, which can ruin their performance and destroy their color. Pressure washing: Pressure washers can be very strong and certainly strong enough to break a shingles adhesive and lift it up.However, scrubbing is likely to damage the asphalt shingles and remove their granules. Scrubbing: You may be tempted to scrub the moss off the shingles because moss grips shingles quite strongly.We dont recommend you try to remove your moss by: While these methods may be effective at removing moss, they may also damage shingles in the process. Unfortunately, there is a lot of bad advice out there about how to remove moss. S You Shouldnt Use To Remove Moss From A Roof Therefore, youll be living in a house with a roof thats likely to fall at any time. This weight will be added to your roof and cause it to deteriorate over time. A large mat of moss is surprisingly heavy, spongy, and holds a lot of water. Moss also has a lot of weight, which will be subjected to your roof. Additionally, bugs and rodents are usually attracted to moss. When moss grows on your roof, it digs holes and has thin spots, eventually leaking. Moss also causes leaks on your roof and brings pests. This is because moss is wet and will give your roof constant moisture, resulting in high amounts of rot.Īlso, as moss continues to grow on your roof, it can push under tiles, shingles, and shakes, thereby pushing them to create damage on your roof. However, moss is dangerous for your roof, whether you have tiles, composite shingles, or cedar shakes. Moss typically grows well in dark, wet, and cool climates. Yes, having moss growing on your roof is bad. Is It Bad To Have Moss Growing On Your Roof If you can reach the growth from a ladder, you can try following these steps, but be warythere are several ways you can cause damage to your roof in the process. ![]() If you cant address the problem from a ladder, you risk a severe injury that will cost a lot more than hiring a professional. They may also install toe boards and roof brackets if necessary. Roofers use a safety harness and rubber-soled boots for traction. Always wear a helmet, and never walk on the roof of your house. Use a rubber footed safety ladder, and make sure you have someone to spot you. If you decide to take a DIY approach to clean moss off your roof, you need to take all proper safety precautions.
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