What the request can cover
In Brussels, the project must be linked to the correct municipality and checked against Brussels-Capital Region rules. Site access, adjoining properties, changes to the external appearance and any permit requirement remain points to confirm before the solution is fixed.
Waterproofing and roof metalwork protect vulnerable roof junctions and rainwater drainage. A sound assessment separates a visible stain from its cause, checks flashings, upstands, gutters and downpipes, and then defines a repair compatible with the existing build-up.
Prepare a useful assessment
An initial review uses the observed problem, the known age or history of the elements, available photographs and relevant dimensions. Isolaris separates symptoms from possible causes and does not confirm a technique, timetable or outcome before the necessary information is available.
Constraints and decisions
The quotation depends on the survey, access, safety, interfaces with other building elements and finish choices. Permits, support schemes and regional obligations can change and must be checked against the official sources applicable when the project is prepared; they are never presented here as guaranteed.
The same service in other cities

Parlons de Votre Projet
- Bruxelles
- Brabant wallon
- Wallonie
- Châssis PVC/alu
- Portes, coulissants, volets, BSO
- Isolation, façades, toiture
