Power Washing Asphalt Roof Shingles

So why is power cleaning bad for your asphalt roof.

Power washing asphalt roof shingles. Never pressure wash your roof if you have asphalt shingles. Apply a storebought or diy cleaning solution to remove the moss. Spraying with a hose or pressure washing from ground level forces water up underneath the shingles and or decking which can lift the roofing materials and create leaks and deck rot. Spray it across the shingles you wish to clean wait about 20 minutes then rinse them with water.

When cleaning asphalt driveways using a power washer is often a great way to get the job done quickly. 1500 psi or less with 10 15 gallons per minute. Non slip soles will. Allow the solution to soak into the shingles for at least 15 minutes.

It will also leave gouge marks in the lower layers leaving them more vulnerable to the elements. Wash the roofing shingles with a hose from the ground. If your problem is. Put on shoes with soft non slip soles.

How to pressure wash roof shingles. You should never allow anyone who utilizes a power washer to clean your roof as they are damaging the shingles themselves by using this type of excessive pressure. Carefully place a ladder near the area of moss. Cleaning asphalt shingles is an important part of protecting your roof.

Roofs are meant to withstand water falling from above not shooting up from below. Use of 35 40degree tips stay away from smaller tips which control the spray pattern positioning of the wand and direction of spray 45 degree angle and 8 to a foot distance from shingles. Step 4 take precautions. Never use a.

The water pressure will remove the granules that are important for protecting your roof. Not to mention using a pressure washer from a high place is dangerous. Hose off and brush all moss loose from your roof shingles. Power washing a composition roof will remove the protective granular from the outer layer of the shingles leaving the shingles less protected from the sun and other harsh weather conditions.

Your roof is easily damaged with hard shoes. Attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer with a recommended cleaning solution. Cleaning step 2 make and apply the bleach solution. Fill your low pressure agricultural sprayer with a specialized asphalt cleaning agent.

If your moss problem requires more than. To stay safe suit up in long sleeves pants and safety goggles. However a power washer is not a good idea for cleaning asphalt shingles since the water pressure can actually damage the shingles and ruin the roof. Professional roof cleaning is a relatively new industry and a lot of people just go in there and they think that if they have a power washer that they are able to clean a roof.