Pressure Washers & Soft-Wash Systems

Moss, algae, lichen and general grime build up on roof surfaces over time, especially in Bradenton's humidity and shade. Pressure washers and soft-wash systems are the equipment we use to clear that growth and staining without damaging the roof surface underneath it.

What pressure Washers & Soft-Wash Systems is

A pressure washer forces water through a nozzle at high force to blast away dirt and growth. That approach works on driveways and siding, but on a shingle roof it can strip away the protective granules that shield the shingle from UV light, shortening the roof's service life. A soft-wash system solves that problem by using low water pressure combined with a cleaning solution that lifts moss, algae and lichen off the surface instead of blasting it off.

This shift from high-pressure blasting to low-pressure, solution-based cleaning is the main improvement soft-wash equipment brought to roof care. It lets the growth and staining be removed while the shingle, tile, or metal surface underneath stays intact.

How we use it at SoffitSmith by Smithbuilt Roofing

We use low-pressure soft washing to lift moss, algae and lichen from a roof surface without stripping shingle granules. That is the specific approach our equipment is built around, rather than a generic high-pressure rinse.

Before cleaning begins, we typically protect the landscaping below the work area using our landscape protection tarps so runoff and cleaning solution do not sit on beds or plantings. Where gutters and downspouts are collecting debris or runoff alongside the cleaning work, our wet/dry and gutter vacuums and leaf blowers help clear those areas as part of the same visit. On jobs where roof access needs to be safe and stable rather than from a leaning ladder, our scaffolding and boom or scissor lifts are used to reach steep or tall sections. We document the work with our photo documentation app, so you can see the condition before and after the visit rather than relying on a description alone.

What it means for you

Soft washing is generally gentler on a roof surface than pressure washing, which matters because a roof that keeps its granules or its protective coating tends to hold up better over time. Removing moss and algae buildup can also make a roof look noticeably cleaner without any of the sanding or scraping that a harsher method might require.

Because the process uses low pressure, it is also typically quieter and less disruptive around the property than a full pressure-washing job. Homeowners can generally expect the crew to work carefully around plantings, walkways and other exterior surfaces, and to leave the property with the same visible clarity about what was done, thanks to the photo record kept during the visit.

What to expect during your visit

A soft-wash visit generally starts with a walk-around to identify where moss, algae, or lichen has taken hold and to check drainage points like gutters and valleys. Landscaping and any sensitive surfaces near the work area are typically covered before any cleaning solution is applied.

During the cleaning itself, the crew applies the soft-wash solution at low pressure across the affected sections, allowing it to work on the growth rather than forcing it off mechanically. Access equipment such as ladders with stabilizers or lifts may be used depending on the roof's height and pitch, so the crew is not relying on the gutters for support. Once the solution has done its work, the surface is rinsed at low pressure.

Afterward, the work area is checked for any leftover debris, gutters and valleys are cleared if needed, and the property is left as it was found aside from the cleaned roof surface. The length of a visit depends on roof size and how much growth is present, but it is a single-day service in most cases.

Frequently asked questions

Is soft washing safe for my type of roof?

Soft washing is designed to be gentler than high-pressure washing specifically because standard pressure can strip granules from asphalt shingles. The low-pressure approach is generally suitable across common roof surfaces, and the crew adjusts the process based on the material and condition of your roof.

Will the cleaning solution harm my landscaping?

We cover nearby plantings, beds and walkways with landscape protection tarps before cleaning begins to reduce contact with runoff. This is a standard step taken as part of the visit, not an add-on.

How long does a soft-wash visit take?

Timing depends on the size of the roof and how much moss, algae or lichen has built up, but most soft-wash visits are completed in a single day. Access equipment and the extent of gutter or debris clearing needed can also affect the overall time on site.

Is soft washing suitable for older or worn roofs?

Because soft washing does not rely on force to remove growth, it is generally a gentler option for roofs where the surface may already be aged. A visual check of the roof condition is part of the process, so the approach can be adjusted if a section needs different handling.

If moss, algae or staining has built up on your roof, reach out to SoffitSmith by Smithbuilt Roofing to ask about our pressure washers and soft-wash systems and schedule a visit.