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Bleach and vinegar can both kill moss effectively. However, if you’d rather use a non-chemical option that’s better for the environment, vinegar is the choice. Depending on the paver material you use, vinegar and bleach can also stain or discolor the surface. When unsure, test and use the option that doesn’t react with your paver material.

If you’re painting your home or monitoring a job as it’s being completed, squash the issue ASAP if you notice paint is getting onto the roof. Keeping it clean is one of the keys to extending your roof’s life.

Removing latex paint before it dries is much easier and lowers the risk of damaging your shingles (more on that below). Simply spray the spot with a hose for one to two minutes to clear away the drying paint. In general, this is a good way to remove ugly stains from your roof without using chemicals.

Clay tile roofs require minimal maintenance, as they stand up very well to the elements and often won’t fade in direct sunlight. They also don’t need sealing. Concrete tiles are also relatively low maintenance, but you will need more maintenance than with clay. You’ll need to seal concrete every few years to improve water resistance, and the color will fade a bit more quickly than with clay.

Yes, moss can be dangerous for your roof if left in place to grow without treatment. The moss soaks up and holds moisture. Having a constantly damp roof could lead to problems with rot for the parts of the roof that consist of wood. Additionally, a patch of thick moss may draw insects and birds, which could damage the roof. Thick moss could block the roof’s drainage system. Water then may back up after a rainstorm and cause further damage that could eventually lead to roof repair expenses or the cost of roof replacement.