Green Moss On My Roof

The third most common type of growth on a roof is algae.

Green moss on my roof.

How to remove moss from your roof step 1. Moss on a roof if you have moss growing on your roof there s a high chance you have a north facing roof. Use a low pressure setting on your spray nozzle to avoid damaging your. It doesn t have the thick growth like moss and lichen and it looks like stains on a roof usually in streaks of black or sometimes green.

This thin layer on the top of the shingles expands and becomes wide thick and mat like. Hose off and brush all moss loose from your roof shingles. If sections of your roof are under heavy tree cover these are prime spots for moss to thrive. Moss can grow quite quickly and it will grow in between roof tiles filling in the voids and lifting up roof tiles and slates.

This wears the roof s surface by increasing frost damage such as cracking to the mineral granule coating on the shingles. If your moss problem requires more than. Moss is usually more of a cosmetic issue on many kinds of roofing materials but it can cause damage over time especially in colder climates by holding moisture against the roof surface. Wear rubber gloves to.

Create a 50 50 mixture of chlorine bleach and water and spray it generously on the moss. As we said about green algae on roofs the presence of these black fungal or algal stains on the roof is an indicator that this roof area is in a shaded spot where you may want to be alert for development of moss or other roof problems but the level of damage from the black fungus or algae is probably low even less than that caused by lichens and certainly less than that caused by moss. Moss is darker green much thicker holds more water and also grips into the surface of the shingles. Moss tends to form in areas where it is shielded from the sun.

Hose off and brush all moss loose from your roof shingles. Moss on a roof begins with a thin dusting of green that you may notice only from low angles. Wet the moss by spraying with your hose. Apply a storebought or diy cleaning solution to remove the moss.

Carefully place a ladder near the area of moss. A north facing roof usually has little sunlight which enables moss to buildup on the roof. Spreading moss can quickly upholster to roof surfaces filling in voids between shingles and tiles and reaching under and lifting up roofing materials. Moss grows in areas untouched by sun so it can develop at a speedy pace on tree shaded and north facing roofs.