Waterproofing
The long-term structural integrity of concrete is largely dependent on the quality of the waterproofing applied.
Andersal is a highly experienced waterproofing contractor. Using the most appropriate waterproofing materials and methods is critical to avoid costly repairs and future remediation work.
Concrete expands and contracts in different weather conditions. Over time when concrete moves like this it often leads to cracks and if not properly waterproofed it will cause concrete cancer and spalling.
Waterproofing represents 1.8% of a building’s construction costs, but accounts for a whopping 83% of building defect complaints. These are costs that can be easily avoided or minimised if high quality waterproofing is applied in the first instance.
Sustainable waterproofing applications are required for:
Balconies
Walkways
Terraces / decks
Planter boxes
Retention walls and basement walls
Concrete roof tops, green roofs & landscaped areas
Podium slabs
Car parks & Basements
Lift pits
Portable water tanks
Detention, retention, header & dump tanks
Any other concrete wet area where water flowing through cracks can cause leaching and corrosion.
Remedial Waterproofing Solutions
Where waterproofing has failed and a structure is showing signs of concrete cancer and spalling, it is critical to correctly diagnose the problem. It is best to use specialist structural engineering consultants who can assess and test for structural issues.
Once the root cause of waterproofing failure, concrete cancer, or concrete spalling is identified, the process of repair can commence. The type of repairs required will depend on the type of structure and its location, the building materials used, and the extent of the damage.
Andersal adopt a holistic approach to ensure a project is 100% waterproof. We understand how each of the trades affects the waterproofing and will select the right membrane system for the right application.
Read our blog – Waterproofing: The Key to Ensuring Success
Waterproofing repairs may involve:
Replacement of steel reinforcement.
Chemical treatment of steel reinforcements to prevent further corrosion.
Concrete repair and / or replacement.
Repairs to joint seals and flashing.
Application of a suitable high-quality waterproofing membrane.
Application of suitable high-quality coatings and sealants.
