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When choosing a waterproofing solution, common sense should naturally dictate to look for products which offer a long service life, bonding abilities, watertightness, thermal performance, a high compressive strength, and sustainability, however suitability is one aspect which is often overlooked but incredibly important. 

Remediation of poor or missing waterproofing systems, once construction is complete – can cost anywhere between 10 to 100 times that of installing them during the construction phase.

When waterproofing a below ground structure with a Type C cavity membrane system, a suitable basement drainage system is also required to safely remove ground water ingress which percolates the structure.

This drainage system is made up of four key components – a submersible pump, often referred to as a sump pump, basement drainage channels/modular drainage system, high level water alarm(s) and battery backup(s), larger projects may also require a control panel.  

The first stage of a cavity drainage system install is to provide an accessible and maintainable drainage system.  Whether new build or retrofitting, the drainage system is always the first step. 

The key function of waterproofing an expansion joint is to minimize water ingress into a structure by creating a secure waterproofing barrier.  Penetrating water may cause damage and may reduce the usage and lifecycle of the building.

Paul Callaghan, Technical Waterproofing Consultant at Delta, covers some of the key things you need to think about if you’re planning on successful waterproofing projects in colder temperatures.  We hope Paul’s insights and tips will help you choose a material that will work for your project and give you confidence in your product approach.