Power Washing Roof Moss

If your moss problem requires more than.

Power washing roof moss.

The noteworthy exception is roofs that have grown algae mold or moss. The average garden hose sprays water at 40 to 80 psi. The power of a pressure washer can damage the shingles on your roof so it s important that you select the proper spray tip. Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels.

But that is normal. Most techniques that we have come across to remove moss are often achieved by violent means such as power washing which may cause damage to the roof especially when combined with unnecessary foot traffic often leading to cracked or broken roof tiles. Power washing takes 5 years off the roof surface. It can take up to 4 to 6 weeks for the moss to come off the roof.

Apply a storebought or diy cleaning solution to remove the moss. Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface. A light sweeping or a rinse with the garden hose is usually sufficient and most roofs don t even need that. You don t ever power wash a roof.

There will be some granule loss under the moss and lichen. By comparison a fire hose sprays at 150 to 300 psi. Hose off and brush all moss loose from your roof shingles. Hose off and brush all moss loose from your roof shingles.

Start with a medium pressure spray pattern and adjust from there accordingly. Always stand on a dry area of the roof as wet shingles can be very slippery. You soft wash a roof.