Roof Cleaning
Coquina Sands

Coquina Sands was one of the first beach neighborhoods in Naples. Its first plat was approved in the 1950s, and its curving streets, named for flowers and shells, still carry many of the low, wide homes of that era alongside large rebuilds. Every one of those roofs shares the same neighbors: the Gulf to the west, Lowdermilk Park, and in many cases a canal out back. Homes near the beach take salt air every day, and bay-side homes with boating access via Doctor’s Pass and Hurricane Bay sit in damp air that never fully dries.

Living that close to salt water changes how a roof ages. Salt spray settles on tile, shingles and metal and attracts moisture, so roof surfaces stay damp through the night and into the morning. That moisture is exactly what the common black roof algae, Gloeocapsa magma, needs. It shows up first on the shaded side of the roof and on planes facing the canal, then streaks downward from the ridge. Salt air and damp canal air both grow black algae streaks, first on the north and shaded slopes.

Salt residue also matters for metal. Standing-seam and other metal roofs are popular on coastal rebuilds, and salt left on panels and fasteners for long periods encourages corrosion. Rinsing it off is part of good maintenance. A soft wash removes the organic growth and the salt film together without the force that could push water under seams or damage the finish.

We use the same principle on every roof type: low pressure, a cleaning solution that does the work, and time for it to act. On concrete or clay tile, high pressure erodes the surface and can crack pieces; on shingles it strips the protective granules. Soft washing treats algae, mildew and lichen with a dilute solution instead of blasting them off with pressure that, per ARMA and Owens Corning, can loosen shingle granules.

Many original homes in Coquina Sands have been remodeled or replaced, and some roofs are brand new. A new roof needs only a light rinse to remove construction dust and sawdust from valleys and gutters. Older roofs may have years of growth and, on tile, aging mortar or foam at the ridge caps. We look at age and condition first, then decide how much cleaning the roof needs and whether any repair should come before it.

Canal lots add one more consideration: where the runoff goes. Water rinsed off a roof flows to the yard, the seawall and then the canal. We pre-wet plantings, divert downspouts that discharge toward the water, and keep concentrations to what the roof actually needs. Docks, boats on lifts and pool enclosures are covered or rinsed so nothing lands where it shouldn’t. Landscaping, pool areas and seawall-side beds are pre-wet so the solution never dries on plants or runs into the canal.

Condominium buildings are handled differently. The towers and mid-rise buildings along Gulf Shore Boulevard North typically have low-slope roofs with membranes or coatings, rooftop mechanical equipment and parapet walls. Cleaning those is a job for the association, scheduled through the property manager, with attention to drains, equipment and the safety of residents below. We quote those roofs to the board as common-area work, separate from homeowner jobs.

On flat roofs, ponding near drains grows algae and leaves dirt rings, and salt builds up on parapet caps and equipment curbs. A low-pressure wash with a solution suited to the membrane cleans those surfaces without the cutting risk Sika attributes to excessive pressure. If the board is preparing for a roof inspection or recoating, a cleaning beforehand helps the roofer see the actual condition. Solution is applied from ladders and safe walk zones, and flat roofs are treated from the deck and rinsed toward the drains.

On a single-family home here, ARMA’s caution applies: the result is temporary, and algae tends to return first on canal sides and under big trees. Many owners pair the roof with a house wash so salt and mildew come off stucco and trim the same day, with the roof done first so runoff doesn’t streak clean walls. The pool cage is done last for the same reason.

Hurricane season adds a reason to keep roofs clean. After a storm, owners want to see the true condition of tile, shingles and flashing, and a roof covered in black streaks hides cracks and lifted edges. A clean roof makes a post-storm look quicker and more accurate, and the written record we leave shows the roof was being maintained. If you notice damage while we are on site, we point it out with photos so your roofer can follow up.

Coquina Sands is not inside The Moorings; it has its own ZIP code, 34102, and its own mix of homeowners and condo boards. Rules about contractor hours and access vary from building to building, so condo residents should check with their manager before booking. Single-family owners can book directly, and we can work while you are away and send photos when the roof is done.

Before the visit, move cars away from the eaves, bring in patio cushions near the drip line and let us know about any boat on a lift close to the house. We handle the rest: ladders set on stable ground, harnesses where the pitch requires them, and a final rinse of everything below the roof. You get a written record of the date, surfaces, method and our license number.