Planned maintenance
Planned Preventative Maintenance (PPM) for Flat Roofs
Flat roofs fail slowly, then suddenly. Planned preventative maintenance catches the slow part: blocked outlets, cracked details and small splits are found and fixed on a schedule, before they become internal damage, disruption and an insurance conversation.
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Maintenance protects the guarantee, not just the roof
This is the part building owners are most often not told: manufacturer system guarantees generally require documented maintenance inspections as a condition of cover. Skip the inspections and the guarantee you paid for can be unenforceable exactly when the roof fails. A PPM programme does two jobs at once: it keeps the roof healthy, and it produces the dated, photographed records that keep the guarantee demonstrably valid.
This is not a rule we invented to sell visits. It is written into the published terms of the systems themselves. The HYDRONYLON liquid waterproofing system we install is one published example: its guarantee documentation conditions cover on the roof being maintained and inspected, with the maintenance recorded. Read across the manufacturers and the pattern holds, which is why we treat inspection records as part of the waterproofing rather than paperwork bolted on afterwards.
If you manage a portfolio, that record keeping compounds: each roof gets a documented history you can hand to insurers, auditors, buyers or a future contractor without digging through years of email.
What a programme includes
- Scheduled inspections. The membrane surface, laps, upstands, flashings, rooflight kerbs and penetrations, checked against the previous visit.
- Drainage and outlet clearance. Blocked outlets are the cheapest defect to fix and the most expensive to ignore; standing water accelerates wear at every lap and detail. Gutter clearing is folded into the visit, where roofline care overlaps maintenance.
- Minor repairs caught early. Small splits and failed details made good during the visit where possible, before water gets under the membrane.
- Photographic condition reports. What we found, what we did, what to watch, in plain English with photographs.
- Guarantee-compliance records. Dated documentation of every inspection, kept so that compliance is provable.
Programmes are priced per roof and portfolio after an initial roof condition survey, which records the starting point the programme is built on.
Who PPM is for
Property managers, managing agents, housing associations and facilities managers responsible for commercial and residential flat roofs across South London and Greater London. If the roof over your building is out of sight and out of mind, a programme puts it back on a schedule you control.
Ask about a PPM programmeFrequently asked questions
What does a planned maintenance programme include?
Scheduled inspections, clearance of outlets, gutters and drainage paths, minor repairs caught early, and a photographic condition report after each visit. Every visit is recorded, so you build a documented history of the roof over time.
Why does planned maintenance matter for roof guarantees?
Manufacturer system guarantees generally require documented maintenance inspections as a condition of cover. A roof that is never inspected can lose its guarantee exactly when it is needed. A PPM programme produces the records that keep compliance demonstrable.
How often should a flat roof be inspected?
Industry guidance commonly points to at least one inspection a year, often two (spring and autumn), plus a check after severe weather. The right frequency for a specific roof depends on its age, condition, use and the terms of any guarantee.
How much does planned maintenance cost?
Programmes are priced per roof and portfolio after an initial survey, because roofs differ hugely in size, access and condition. You get a written price for the programme before anything is agreed.
Can you maintain roofs you did not install?
Yes. Most of the roofs under any maintenance programme were installed by someone else. We start with a condition survey to record the roof as found, then build the programme around what it actually needs.
Put your roofs on a schedule
Tell us how many roofs you look after and where they are. The first step is a condition survey; the programme follows from what it finds.
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