GUTTERDOGS Affordable Soft Power Washing & Safe Roof Cleaning Maryland is an affordable soft low pressure power washing company (aka soft washing), that safely cleans the exterior of your home or business with better cleaning results than traditional pressure washing. The cleaning can include vinyl siding, all types of roofs, gutters, concrete sidewalks or driveways, dumpster pads, basement stairwells, concrete around the pool, brick, decks, fences, and more. Our service area is PG county MD and the surrounding area, including Southern Maryland. Our staff is courteous and friendly. We are reasonably priced. RESIDENTIAL & COMMERCIAL Services. 600+ online reviews of our cleaning service.