ROOF PRESSURE CLEANING DELRAY BEACH HIGHLAND BEACH 561-502-7663. Lic Insured Workers Comp - 23 Years Exp - GET THE BEST JOB! - With NO CHEMICALS! - We Clean the Dirt off the Right Way - Chemicals color fade your tiles, Dry and Crack Paint finishes, Corrode your metal flashing, Dry out your CapBase Sheet resulting in early Roof Failure!. Chemicals Kill your plants and drain off to lakes destroying the environment - NO NO!.