How to Remove Algae and Moss From Roof Shingles Without Voiding Your Warranty
Quick Answer: To remove algae and moss from roof shingles, spray a 50:50 mix of laundry-strength bleach and water with a low-pressure sprayer. Let it sit 15 to 20 minutes. Rinse gently from the top down. Never pressure wash asphalt shingles. Black streaks and green moss can quietly shorten the life of your roof. This […]
What Voids a GAF Shingle Warranty? 14 Mistakes Massachusetts Homeowners Make
A GAF shingle warranty is voided by installation that ignores GAF instructions, non-GAF components in an enhanced system, or an unregistered warranty. It is also voided by inadequate attic ventilation, unauthorized repairs, pressure washing, and homeowner alterations such as tar patches or roof-mounted add-ons. Most homeowners never ask what voids a GAF shingle warranty until […]