Xcellent Xteriors only does SoftWashing when it comes to cleaning roofs. This is the preferred method due to the low psi of only 100. You never want to have your roof pressure washed. Pressure Washing a roof will only lead to excessive and irreversible damage. Also having 2 people at the job site is very important for safety and to protect the plants and other vegetation on the ground. For more info on our services call us at 863-838-6850 or visit us at https://www.xcellentxteriors.com we can provide you with a free estimate 24/7.