▽ +06.00Engineering Hub
What are you seeing in the building?
Start from the symptom: what you see, its possible causes, how it is diagnosed, the possible solutions and when you need an inspection.
- 01Roofs
Water is leaking through the roof
Damp patches on the top-floor ceiling, or water dripping after rain or after the roof is washed.Causes and fixes - 02Roofs
Blisters in the roof waterproofing
Raised bubbles in an exposed membrane or coating that grow in the heat of the sun.Causes and fixes - 03Roofs
Bubbles and pinholes in PU waterproofing
Small bubbles or pinholes appear in the polyurethane layer while it cures or shortly after.Causes and fixes - 04Basements & below ground
Water is getting into the basement
Damp or water on basement walls or floors, especially at corners and joints.Causes and fixes - 05Basements & below ground
Damp on the inside face of a buried wall
Persistent damp or stains on the inside face of a wall against soil or a tank, with no running water.Causes and fixes - 06Water tanks
The water tank is leaking
The water level drops without use, or damp shows around an underground tank or under a roof tank.Causes and fixes - 07Joints
The expansion joint is leaking
Water or damp along the joint line on a soffit or wall, or a sealant that has cracked or pulled away.Causes and fixes - 08Concrete & walls
Cracks in the concrete
Cracks in walls, slabs or columns — some hairline, some widening or letting water through.Causes and fixes - 09Concrete & walls
White salts on walls and concrete
White powdery or crusty deposits on concrete, masonry or tiles that come back after cleaning.Causes and fixes - 10Floors
The epoxy floor is peeling
The epoxy lifts from the concrete in flakes or patches, or blisters appear and break under traffic.Causes and fixes
QQuestions
Questions clients ask
What are the most common waterproofing problems in buildings?
Roof leaks at parapets and drains, basement seepage, bathrooms leaking to the ceiling below, leaking tanks, failed expansion joints, blistering and bubbling coatings, and efflorescence. Most start at the details and the surface preparation, not in the material itself.
Technical inspection
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