Flat Roofing Guide

Algae on Roofing Shingles: Causes and Prevention Algae grow on roof ceramic tiles when color, remaining moisture, and organic debris create an ideal habitat, especially on permeable or cellulose-based products. You can avoid algae by trimming looming branches, mounting copper or zinc strips that launch biocidal ions, and choosing algae-resistant roof covering materials or coatings. Normal assessments and mild cleanings even more secure your roofing system. Addressi