Should I Pressure Wash My Roof

Tempting as it might be to blast away unsightly moss and algae using a pressure washer to clean your roof is dangerous not to mention potentially damaging.

Should i pressure wash my roof.

Unfortunately pressure washing may cause a lot of damage particularly to roofs like asphalt or tile where components can easily be pushed out of place by the strong spray. 13 things you should never pressure wash wood siding. This is similar to a garden sprayer but you need special equipment to safely reach the entire roof. The reason is simple.

Clean your roof on a cloudy calm day when the wind isn t blowing and there s no threat of precipitation. While it s possible to wash wood siding correctly there s also a good chance that water will find its way. Clean your roof on a sunny day which will cause the bleach solution to evaporate too quickly limiting its cleansing effects. Avoid pressure washing your roof some companies offer to pressure wash your roof promising to make it look new.

Even with growth forming on your roof s surface you should not break out the pressure washer on your asphalt shingles. You ll do more harm than good. The two main methods for roof cleaning are. Pressure washing on an asphalt composite shingle roof requires no more than about 30 psi.

Electrical panels and meters. Even on the exterior of your home or in your yard fixtures housing electricity should not. Professionals should pressure wash an asphalt roof. Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime.

The problem with pressure washing is that the process can be damaging to your roof and could possibly invalidate any warranty you might have. Pressure cleaning a roof when done properly using rotary cleaning equipment is safe cost effective and will not force water through or under tiles as the jet angle is controlled and always points away and down the roof rather than into or all over the place which is the case when blasting with a lance or wand is used. Chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful. Clean your roof without taking proper safety precautions.