Flat Roof & Parapet Cleaning
Apollo Marco Island

Salt never really leaves. A low-slope roof on a beachfront tower is never fully dry. Salt carried off the water lands on the roof every day, and because salt draws moisture out of the night air, it keeps a thin wet film on the surface long after the sun comes up. Fine sand blown up from the beach settles into that film and drifts against the parapet walls and around drains and scuppers. Anywhere water lingers after a summer storm, a dark layer of algae, mildew and dirt follows within weeks.

Dirt hides the problems a board needs to see. Apollo was delivered in 1990, which puts the building well past the age at which Florida’s post-2022 condominium safety law calls for milestone structural inspections on buildings three stories and taller. Cleaning is not an inspection and does not replace one, but a roof covered in grime hides the small blisters, open seams, ponding stains and cracked flashing that a roofer or engineer is paid to find. A clean, photographed roof gives them a clear surface to work from, and gives the board a dated record of the roof’s condition.

Reflective surfaces only work when they are clean. Many flat-roof systems in Southwest Florida are light-colored so they reflect heat. A layer of salt crust and algae turns a white or light gray surface dull and darker, and the top floor feels it. We do not promise energy savings, because every roof and every unit is different, but bringing the surface back to its original color is the point of cleaning it.

Parapets and equipment pads streak the walls below. The same salt and sand that coat the roof field build up on parapet caps, around air-handler curbs, on vent stacks and on any metal rooftop equipment. The next heavy rain carries that residue over the edge and down the upper stucco in long gray and rust-colored streaks. That is why we clean the roof, the parapet caps and the top band of wall in the same visit, so a fresh building wash below is not undone by the first storm.

Drains are the part that fails quietly. On a building this close to the beach, sand is the enemy of roof drainage. A drain or scupper half-blocked by sand and debris lets water pond, and ponded water is where algae grows fastest and where membranes age soonest. Clearing drains by hand is the first thing we do on every roof, before any solution goes down, and we note any drain that was badly blocked so the manager can watch it after the next storm season.

Timing around the seasons. Apollo is busiest in winter and spring, when rentals and seasonal owners fill the building and the pool deck is in constant use. Many boards prefer to schedule roof work in late spring, before the summer rains turn every low spot green, or in the fall once hurricane season winds down and storm debris can be cleared at the same time. Either way, we work weekday hours the manager approves, keep equipment off guest paths and finish the roof before starting any wall wash below it.

Questions a board should ask any roof cleaner. What is the roof system, and what does the maker say about cleaning it? What pressure will you use on the membrane? How will you keep runoff away from balconies, the pool deck and the Sunset Grill area below? Who carries the insurance, and can the manager have the certificate before the first visit? What will you hand us when you finish? We answer all five in writing before we quote, and the written service record covers the last one.