NO, NO and NO, you do not cold water pressure wash a fiberglass shingle, nor do you use chemicals or soap on it. This must be done with light pressure and steam. Click on the photo to see before, during and after photos of what our pressure washing service can do to restore your roof.
Yes, unless you want it to look and be weathered. If so, plan on replacing it a lot sooner than needed. There are two options: maintain or replace. It's as simple as that.
Every slate is made up of razor thin layers that when cleaned, will last more than 90 years. If the slates aren't cleaned, soil will build up under the edges of each slate. This causes moisture in the soil to swell in freezing temperatures, lifting and breaking slates. Avoid the exorbitant cost of replacing your roof by maintaining it.
This type of roofing is made with petroleum and the ultra violet rays from the sun will dry it out. This will cause it to shrink, not to mention that the soil will embed itself into it and become part of the surface. Once the shingle shrinks too far, the edges will start to curl up, and at this point it's too late to save the roof.
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