Ely Roofers installs and repairs flat roofs in Littleport, and this page covers the aftercare and simple maintenance that help a new or repaired flat roof stay watertight for as long as possible.
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A flat roof does not take care of itself. Unlike a pitched slate or tile roof that sheds debris and water quickly, a flat membrane sits more or less horizontal. Leaves, dirt, and moss accumulate on it. Outlets can block. Small splits or lifted laps that would be obvious on a steep roof go unnoticed for months on a flat one. The result is that flat roofs which are neglected tend to fail earlier than they should, and when they do fail, the damage to the structure below is often more extensive than it needed to be.
Good aftercare does not require specialist skill or expensive tools. Most of it is simple, regular observation. This page sets out what to check, when to check it, and how to keep a flat roof in good shape between professional inspections.
We lay felt and EPDM rubber flat roofs across Littleport and the wider Fens, working on extensions, garages, and outbuildings. Felt systems use layers of bitumen-based sheet, heat-welded and finished with a mineral or self-finished cap. EPDM is a single-ply rubber membrane bonded across the deck in large sections, with very few joins. Both need the same basic aftercare approach, though EPDM tends to be more forgiving when grit and debris abrade the surface over time.
Twice a year is the right frequency for a basic check, with autumn and spring being the most useful times. Autumn clears the debris that summer brings and prepares the roof before frost. Spring reveals anything that frost, wind, or winter rain has affected.
If you can access your flat roof safely from a fixed ladder to a low-level roof, look for the following:
A blocked outlet is responsible for a large proportion of flat roof failures. When water cannot escape, it backs up across the membrane, finds any weakness, and works its way into the structure below. Clearing an outlet takes a few minutes and costs nothing.
If your flat roof has an internal drain rather than a gutter at the edge, check the grille or dome cover regularly. These collect leaves and debris faster than edge gutters. In autumn, after leaf fall, check it at least once a month. On a larger flat roof with a single outlet, consider whether a secondary overflow outlet should be fitted. If the primary outlet blocks during heavy rain with no secondary outlet, water has nowhere to go.
A few things that seem helpful can actually cause damage:
Some things should not be left until the next routine check. Call a roofer promptly if:
Acting quickly on these keeps the repair small. Left over a winter, any of them can turn into a deck replacement job rather than a membrane repair.
A routine professional inspection is worthwhile every three to five years on a well-maintained flat roof, or sooner if the roof is more than fifteen years old or has had problems in the past. A proper inspection means getting on the roof and checking the full surface, all laps and joins, every upstand and flashing, and the drainage outlet. An inspection that amounts to looking from a ladder at the edge is not sufficient.
A flat roof replacement on a typical garage or extension in the UK currently runs from around £1,400 to £3,000 depending on system and size. Catching a problem early, before the deck is affected, can reduce that cost significantly or avoid it altogether for several more years.
We cover Littleport and the surrounding area from our base in Ely, working across the Fens to places including March, Soham, Stretham, Sutton, Haddenham, Prickwillow, and beyond. If you want a professional eye on a flat roof in Littleport, call us to arrange an inspection and we will give you a clear account of its current condition and what, if anything, needs attention.
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Call any time. Calls are answered day and night and passed straight to our roofers.
