The lapse in time will allow the bleach to break down the.
Moss on house roof.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
Create a 50 50 mixture of chlorine bleach and water and spray it generously on the moss.
Wet the moss by spraying with your hose.
Clearing the moss from your roof is easy and only takes a few simple steps.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.
Spray the bleach over the moss and scrub it with a scrubbing brush.
Use a low pressure setting on your spray nozzle to avoid damaging your shingles.
In this video this old house general contractor tom silva explains how to remove roof moss and prevent it from coming back.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
Hose off and brush all moss loose from your roof shingles.
2 slide sacrificial zinc strip underneath the loosened shingles.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye.
If the moss proves really stubborn spray it with the bleach and wait about 15 minutes before scrubbing.
Moss growing on any roof surface will be more severe on roof sections that area shaded and exposed to periodically damp cool weather conditions.
If you find moss growing on your roof this old house recommends killing it with equal parts bleach and water.
Wear rubber gloves to avoid exposing your skin to the bleach.
How to remove moss from your roof.