Contact Address: 902 Peony Ln Newton, NJ 07860 Phone: (973) 948-2700 About US Get a Like-New Looking roof while pROTECTing YOUR wallet & home against these 3 common problems: Moss is usually the most damaging roof growth because it is heavier (which causes it to grow deeper into your roof to support its weight) and holds more water against your roof. This burrowing into and holding water against your roof increases damage to roofing shingles and channels water into the underside which causes rotting. Leaving moss in place can damage the roof and even have disastrous consequences when water within them freezes.