Salt changes the arithmetic. On the coast at Hastings, airborne salt settles on every external surface, and combined with construction residue the result is more aggressive than either on its own: cement fines held damp against metal, salt drawn into porous render, and glass that fogs again within days of being cleaned. A clean-up here has to account for an atmosphere that keeps working on the building after everyone has gone home.
Metal fixings, brackets and early corrosion
New ironmongery, balcony rails, brackets and fixings left coated in mortar splash will start to rust at those points first, because the deposit holds moisture against the metal. Residue is removed promptly rather than at the end of the programme, rinsed with clean water and dried. Scouring pads are avoided on plated and coated finishes, since the scratches they leave are exactly where corrosion starts. Galvanised and stainless components sit badly together where salt is present, so swarf from cutting is brushed out of a joint rather than left in it.
Render, painted masonry and the salt behind it
Much of the seafront and hillside stock is rendered and painted, and the render holds salt from the air. Building dust sitting on it will not simply hose off, and a strong jet drives water into a surface that has a hard time drying. Low pressure, a soft brush and a thorough clean-water rinse do the job without opening the finish up. Where paint is already blistering, cleaning stops and the condition is reported rather than worked at. Airbricks and weep holes in a rendered wall are proved clear at the same time, because a blocked one traps moisture behind the finish.
Steep streets and houses with no level approach
The old town and the hillside streets are steep, narrow and often stepped, with parking tightly controlled. Equipment is carried and loads are split, and water is taken from inside the property rather than run down a slope. Terraced houses here are frequently tall and narrow, four floors on a small footprint, so vertical distance rather than floor area sets the length of the visit. Basements at the front of these houses often sit below street level and take whatever washes down the hill, so they are cleaned last.
Damp buildings and wet cleaning
Buildings near the sea rarely have a shortage of moisture, and many of these houses have solid walls, cellars and limited ventilation. Adding water to a building already struggling to dry causes its own problems. Dry removal is pushed as far as it will go, windows are opened while work is in progress, and floors are dried rather than left wet. Cellars are cleared of building debris, because damp material left down there is what starts a smell nobody can trace. The general method is described on how our after builders cleaning works.
Houses split into flats and let out
Much of the larger stock has been divided into flats and bedsits, so a refurbishment in one part of a building affects tenants elsewhere in it. Shared stairs and hallways are cleaned as part of the work, access is arranged rather than assumed, and nothing is stored on a communal landing overnight. Fire doors wedged open during the works are closed and their closers checked. Comparable work in the inland towns, where the stock is different again, is arranged through a local professional.
Timing the outside work
Exterior stages are booked with the weather in mind and, on the coast, with the wind in mind too. A dry, still day is worth waiting for, because spray and driven rain will undo a facade clean within an hour. The interior is completed first so that a handover is not held up by a forecast. Properties further up the county are covered through experienced after builders cleaning in Sevenoaks.