Drone roof inspection and thermography: predicting moss before it becomes visible
An uncomfortable truth lies behind the idea of using drone roof inspection and thermal surveys to predict moss…
Drone facade cleaning, MEWP or scaffolding: costs, time on site and risks
Comparisons of facade and roof cleaning usually dwell on the cleaning itself: which detergent, what pressure, how long…
Drone solar panel cleaning: the realistic yield gain
Ask whether cleaning solar panels increases their output, and the answer will always be yes: remove a layer…
Facade renovation in a co-ownership (copropriété): who decides, who pays and how to get a quote voted through
In a building with several owners, facade maintenance rarely fails for technical reasons. It fails on procedure. The…
Water-repellent and anti-moss treatment after cleaning: real need or upsell?
Finishing treatments are offered at the very moment when the customer is least able to assess them. The…
Asbestos roof cleaning by drone: can fibre cement roofs really be cleaned?
A roof of grey corrugated sheets on a farm shed, artificial slates on a 1980s detached house, fibre…
Drone cleaning quote: how to compare two offers on the same scope
Two quotes for the same roof cleaning land on the table. One is half the price of the…
Drone privacy: cleaning a roof or facade without conflict with the neighbours
A drone cleaning job lasts a few hours. For the owner who ordered it, it is an obvious…
Facade and roof cleaning runoff water: where does it go, and who is answerable for it?
On a cleaning job, a great deal is said about what reaches the wall and very little about…
Hypochlorite or quaternary ammonium: choosing a facade and roof cleaning product
Two families of roof cleaning chemicals dominate facade and roof work in Europe. On one side, sodium hypochlorite,…