How to Clean Your Roof – Do’s and Don’ts If you see black streaks down your roof shingles, these are normally a build up of algae colonies that feed on moisture and the limestone filler agents in the shingles. Algicide can usually keep the growth under control for about 10 years, but this will eventually wear off due to weathering. Once the algicide wears off, algae will soon attach itself to your roof shingles. They eat away at the limestone, dig into the asphalt and dislod

Effects of Rain on Your Flat Roof After a particularly mild November and December, the cold weather has finally hit us down in the Southwest, especially the rain. It seems like it hasn’t stopped raining for the last few weeks, and no doubt you’re wondering what all the water is doing to your flat roof. Here are a few things to watch out for during the rainy season. Flat roofs are particularly vulnerable to bad weather "if your flat roof is not installed correctly and is holdi